[meteorite-list] Chelyabinsk - channel 4 (UK) documentary
Dear list members, the Channel 4 (UK) documentary about the Chelyabinsk fall, aired yesterday evening in the UK, can be watched online now for another 29 days 'Meteor Strike: Fireball from Space' http://www.channel4.com/programmes/meteor-strike-fireball-from-space Martin Postfach fast voll? Jetzt kostenlos E-Mail Adresse @t-online.de sichern und endlich Platz für tausende Mails haben. http://www.t-online.de/email-kostenlos __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Chelyabinsk - channel 4 (UK) documentary
Watch and cringe! Jay Tate The Spaceguard Centre On 04/03/2013 08:20, karmaka wrote: Dear list members, the Channel 4 (UK) documentary about the Chelyabinsk fall, aired yesterday evening in the UK, can be watched online now for another 29 days 'Meteor Strike: Fireball from Space' http://www.channel4.com/programmes/meteor-strike-fireball-from-space Martin Postfach fast voll? Jetzt kostenlos E-Mail Adresse @t-online.de sichern und endlich Platz für tausende Mails haben. http://www.t-online.de/email-kostenlos __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list - No virus found in this message. Checked by AVG - www.avg.com Version: 2013.0.2899 / Virus Database: 2641/6136 - Release Date: 02/27/13 __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Chelyabinsk - channel 4 (UK) documentary
Unfortunately can't watch it in Czech Republic :-( Error: The service is not currently available in your area Sergey On Mon, Mar 4, 2013 at 9:56 AM, Spaceguard m...@spaceguarduk.com wrote: Watch and cringe! Jay Tate The Spaceguard Centre On 04/03/2013 08:20, karmaka wrote: Dear list members, the Channel 4 (UK) documentary about the Chelyabinsk fall, aired yesterday evening in the UK, can be watched online now for another 29 days 'Meteor Strike: Fireball from Space' http://www.channel4.com/programmes/meteor-strike-fireball-from-space Martin Postfach fast voll? Jetzt kostenlos E-Mail Adresse @t-online.de sichern und endlich Platz für tausende Mails haben. http://www.t-online.de/email-kostenlos __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list - No virus found in this message. Checked by AVG - www.avg.com Version: 2013.0.2899 / Virus Database: 2641/6136 - Release Date: 02/27/13 __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] sharp protrusion from an iron meteorite
Yes, Yep, Yeah Jason! You forget always, how old I am.. A more proper answer would have been: Thank you for bringing it to my attention, I'll correct it. I remember that in my active time in the IMCA-board such cases like yours were the most common complaints filed against members. The solution isn't a big thing, usually the board commended to the indicted to use those simple terms: An unclassified in a prominent position and likely and possible. You know, you have to give to the potential buyer the proper information as a base for him to make his decision. Your stones are unclassified according the guidelines of the Meteoritical Society and the Code of Ethics of the IMCA, Regarding the latter you have to indicate that. Whether a collector or buyer concedes to you sufficient experience and competence to identify your samples by your own correctly, you have simply to leave to him. I wouldn't have wrote that, if not already a case had happened, showing that your advertizing of the possible 7034 pairing can be misleading. After the fuss in media around NWA 7034 a not yet so experienced German collector found your offerings and was convinced to get a true part of the original NWA 7034 stones. You've to put yourself in the position of the various collectors, not all are content with the intrinsic properties of the material itself, to some it adds a lot to such a sample, to print out the articles from the media and to be able to show his specimen to others while pointing on a photo in these articles, being able to say, from this very stone my sample was taken from. Also you will confess, if asked by a collector, which stone he shall choose: That one from an unnumbered group, not listed in the Bulletin, of a likely pairing of NWA 2975 at 500$/g or that one from a grouplet officially classified and with an own number designed at 500$/g, you'll commend him the latter, as you know the techniques and the customs of meteorite collecting. So that collector asked in a forum, what the members would think about your offer. (I wished, that someone else than me would have given an answer to him, (but the others were inert.) cause now I gave the opportunity to a member there to continue to knit his favourite legend, that the incarnate evil strikes again to annihilate the world's dealership) Well and I answered him, that he should ask you again, whether your share will be officially classified or not. And told him, that if for him more the material itself is important, he can buy it, as I rely in your abilities to recognize it, though if he cares for later swaps, sales ect. that, what I had written in the last posting. And that's up to him, to decide. (Another member added an understandable opinion, that if a meteorite costs 10k$ a gram, the collector could expect, that it had been properly classified). Btw. meteorites do not travel only in space, but from collection to collection. How easily that NWA-numbers you use in your description can later slip on the label, mislabeling the specimen. Anyway, if a classification would make your material more expensive, is not of interest for a collector neither whether a material is too common and recognizable for you personally (an argument which that Jorge could have used too) He needs only the proper information about the status of the material to be able to make his decisions. And anyway, Whether meaningful or not, these are the rules, which you signed to obey, when you joined that club of IMCA. Well in that sense, I think, that club would certainly advise you to change your advertizing in the manner I explained to you. Best! Martin -Ursprüngliche Nachricht- Von: meteorite-list-boun...@meteoritecentral.com [mailto:meteorite-list-boun...@meteoritecentral.com] Im Auftrag von Jason Utas Gesendet: Samstag, 2. März 2013 21:21 An: Meteorite-list Betreff: Re: [meteorite-list] sharp protrusion from an iron meteorite Hello Martin, All, No, no, no, and no. I do not directly refer to the NWA 7034-paired material on my website as NWA 7034. I merely state that it is paired material. In the case of 7034, I scrutinized even the smallest fragments and volunteered a fragment for destructive analysis here at school. One of the fragments I received was not the same material as NWA 7034, and it is set aside. Admittedly, the sample for work is not 20% of the weight of the lot of fragments. But , since I'm not self-assigning an NWA number, the rules have been followed. Standard practice would dictate that I donate 20% of the lot of fragments to science, which would not necessitate cut samples from every fragment I have. If I didn't know what I were doing, and donated a ~2 gram fragment from the ~10 gram lot, most of the smaller pieces *could* be terrestrial crap, but the meteorite would be analyzed, approved, and you would (I assume) not be questioning it. While you may not examine prices carefully, a few weeks ago, the standard price for NWA 7034 was $20,000-30,000
Re: [meteorite-list] Possible that comet will hit mars next year!!!
Just out of curiosity, what could this mean for the space-craft currently orbiting Mars? I mean even if this misses (which it probably will) a comet tail is pretty big and I'm sure there would be a lot of debris reaching Mars. If orbiters go down then I'm assuming the rovers do too. This could have some consequences many may not have even considered yet. Cheers, Jeff -Original Message- From: meteorite-list-boun...@meteoritecentral.com [mailto:meteorite-list-boun...@meteoritecentral.com] On Behalf Of Graham Ensor Sent: Wednesday, 27 February 2013 11:38 PM To: meteorite list Subject: [meteorite-list] Possible that comet will hit mars next year!!! Has anyone come across this yet...unlikelybut would be quite an event? Just got this message from my nephew at Oxford Uni... There is a (admittedly slight) chance that a recently discovered comet, C/2013 A1 (Siding Spring), might be on a collision course with Mars in October 2014. Latest observations certainly include an impact possibility within the range of error. If it hits, estimates suggest a 500km wide, 2km deep crater arising from a ~20 Petaton event. That's something like 4 million times the (estimated) explosive power of the current global nuclear arsenal. Would be interesting to watch and see if any of the rovers on the surface manage to survive such an impact (I would imagine only possibly Curiosity but keeping lines of communication open with it might prove difficult). Might make for (eventually, but not in our lifetimes) some interesting future Martian meteorites. http://www.universetoday.com/100298/is-a-comet-on-a-collision-course-with-ma rs/ Graham __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] sharp protrusion from an iron meteorite
Ahhh, now I get it. Before I could have seen it as simple concern. Now I'm guessing you purchased some more material paired with NWA 7034, hope to sell it in the future, and are attacking my material accordingly. So now I'm not allowed to have my own opinion? Wow, Martin. I heard from some others (including a well-regarded scientist) that my last email raised some good points. You've got something else coming if you think I'm going to start taking your word as gospel, especially given your history. So you're the fellow who cost me a buyer by telling him that he should pay three times more for a chip from an analyzed rock. Well, shoot. Thanks for letting me know. I'll be sure to have your back next time. Re: everything else/the IMCA: Authenticity is something I take very seriously, and not just with other peoples' rocks. I'm as critical of my samples as I can be, and donating a ~2 gram fragment from my lot of NWA 7034-paired material would not guarantee the authenticity of the smaller fragments. Only close scrutiny -- or probing each one individually would do that, and that sort of analytical requirement has never been in place for the IMCA or elsewhere. I've already pointed out that I skirt directly referring to the stones as NWA 7034 on the website, so your rehashing the you're using someone else's number is getting old. I do say these fragments are paired. They are. You also disregard the fact that pieces are being worked on and that, even if I had 20% of my lot of fragments analyzed, per convention, most of the fragments wouldn't be directly tested. You wouldn't be attacking my credibility, and I could sell as many similar-looking terrestrial rocks as I wanted -- in peace. So your rules don't ensure authenticity in this case. What does ensure authenticity is the fact that I looked at each fragment with a microscope, searching for those small, angular white clasts unique to this meteorite. It's very distinctive: I've taken mineralogy and petrology and never seen a terrestrial rock like it. It does resemble a few lunar meteorites grossly but is generally much more fine-grained. Just as the IMCA doesn't require each dealer to analyze NWA 869/801/978/753/etc., a stone from this find of many should be exempt from individual analysis. If you're going to go so far as to require each dealer to analyze his or her own material, I don't see why you wouldn't require that every chip or fragment that they buy then must be analyzed. Never mind the fact that this lot of fragments came from the exact same source as some of the larger stones that have since been put on the market. It simply doesn't make sense. But, I've already said this. You just ignored it. Same goes for most of the rest of my last email. I'll let you know about the results from the analysis here at school if you're so curious. As I said, we already confirmed the NWA 2975 analytically, so forgive me if I don't take the time to respond to your repetitive points. Never mind the fact that I probably shouldn't be taking advice on how to stay in the IMCA from someone who got himself removed as you did. Jason On Mon, Mar 4, 2013 at 3:22 AM, Martin Altmann altm...@meteorite-martin.de wrote: Yes, Yep, Yeah Jason! You forget always, how old I am.. A more proper answer would have been: Thank you for bringing it to my attention, I'll correct it. I remember that in my active time in the IMCA-board such cases like yours were the most common complaints filed against members. The solution isn't a big thing, usually the board commended to the indicted to use those simple terms: An unclassified in a prominent position and likely and possible. You know, you have to give to the potential buyer the proper information as a base for him to make his decision. Your stones are unclassified according the guidelines of the Meteoritical Society and the Code of Ethics of the IMCA, Regarding the latter you have to indicate that. Whether a collector or buyer concedes to you sufficient experience and competence to identify your samples by your own correctly, you have simply to leave to him. I wouldn't have wrote that, if not already a case had happened, showing that your advertizing of the possible 7034 pairing can be misleading. After the fuss in media around NWA 7034 a not yet so experienced German collector found your offerings and was convinced to get a true part of the original NWA 7034 stones. You've to put yourself in the position of the various collectors, not all are content with the intrinsic properties of the material itself, to some it adds a lot to such a sample, to print out the articles from the media and to be able to show his specimen to others while pointing on a photo in these articles, being able to say, from this very stone my sample was taken from. Also you will confess, if asked by a collector, which stone he shall choose: That one from an unnumbered group, not listed in the Bulletin, of a
[meteorite-list] Self-Proclaimed Planetary Pairings.
I cannot believe in this day and age there are dealers self-proclaiming pairings on planetary material? I found that most collectors expect dealers to have each and every planetary stone in a pairing series examined by a competent scientist at the bare minimum. My brother and I go as far as depositingthe customary 20% even though we may suspect a pairing. We do not make the judgment call ourselves. NWA 1110, 4880 and others come to mind. We always get a unique number and claim the weight of the entire batch when multiples are found. We submit every piece for examination and claim all of the weight at once. In the case of NWA 2999, a thin-section was taken from every pebble. Self-pairing a planetary piece is equivalent to a coin or artifact dealer grading their own inventory. Come on, get a number and make the pieces official so as to avoid confusion later on! It is disrespectful to collectors and dealers who follow the rules to take shortcuts in order to save 20% and some lab fees. Adam __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Comet C/2011 L4 (PANSTARRS) Approaches The Sun
Space Weather News for March 3, 2013 http://spaceweather.com NAKED-EYE COMET: Comet Pan-STARRS (C/2011 L4) is now inside the orbit of Mercury and it is brightening as it approaches the sun. Observers in the southern hemisphere say the comet can be seen with the naked eye even through city lights. Currently, it is about as bright as the stars of the Big Dipper (magnitude +2 to +3). The comet could become even brighter when it moves into northern hemisphere skies in the second week of March. Check http://spaceweather.com for current images and updates. __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] sharp protrusion from an iron meteorite
Hiho Jason, not at all, I haven't any likely NWA 7034 at hand (nor would I have original NWA 7034 at hand, to compare), neither any leftover of NWA 4766 an official NWA 2975 pairing, whereof all stones were looked through by a meteorite scientist. (and anyway, how could you think that about me, tststs shame on you. Anyway I was out of biz for more than a year now, due to a disease and it will take a while until my little star will raise again to sparkle between the stars of the splendid Northern constellation of the FC Meteorite House). (I hadn't cost you a customer, it was his free decision. He asked in the forum, I told him, that also for me your description is not 100% clear and that he should ask you about the status of your material. And as he was a newer collector, I told him the difference between unclassified and classified material in the view of a collector. Told him, when his concern is only about the material itself, he could take advantage of your offer (as I trust in your abilities), but if he wants to get the number out of the media, it would be normal to take in account a higher price and to buy from a seller offering original NWA 7034, and that this with decision nobody could help him, but that he has to make it.) Hey, but now back to the beef. Jason, I have I an idea, which is also more comfort, as we don't have to argue then anymore. What do you think about the idea, that we both in your case file a formal complaint to the IMCA? Formal complaint, cause else IMCA doesn't occupy themselves with a case. I mean, they must know better than we, how to interpret their CoE. And then we wait for their decision. No worries, there will be no harm to you. Either they will say, correct your descriptions and commend how to do so and ask you to avoid something similar in future Or they will say, the complaint is baseless, it's o.k. like you did it (and you won a crate of beer from me at the nextTucson show). Shall we? Martin -Ursprüngliche Nachricht- Von: meteorite-list-boun...@meteoritecentral.com [mailto:meteorite-list-boun...@meteoritecentral.com] Im Auftrag von Jason Utas Gesendet: Montag, 4. März 2013 16:42 An: Meteorite-list Betreff: Re: [meteorite-list] sharp protrusion from an iron meteorite Ahhh, now I get it. Before I could have seen it as simple concern. Now I'm guessing you purchased some more material paired with NWA 7034, hope to sell it in the future, and are attacking my material accordingly. So now I'm not allowed to have my own opinion? Wow, Martin. I heard from some others (including a well-regarded scientist) that my last email raised some good points. You've got something else coming if you think I'm going to start taking your word as gospel, especially given your history. So you're the fellow who cost me a buyer by telling him that he should pay three times more for a chip from an analyzed rock. Well, shoot. Thanks for letting me know. I'll be sure to have your back next time. Re: everything else/the IMCA: Authenticity is something I take very seriously, and not just with other peoples' rocks. I'm as critical of my samples as I can be, and donating a ~2 gram fragment from my lot of NWA 7034-paired material would not guarantee the authenticity of the smaller fragments. Only close scrutiny -- or probing each one individually would do that, and that sort of analytical requirement has never been in place for the IMCA or elsewhere. I've already pointed out that I skirt directly referring to the stones as NWA 7034 on the website, so your rehashing the you're using someone else's number is getting old. I do say these fragments are paired. They are. You also disregard the fact that pieces are being worked on and that, even if I had 20% of my lot of fragments analyzed, per convention, most of the fragments wouldn't be directly tested. You wouldn't be attacking my credibility, and I could sell as many similar-looking terrestrial rocks as I wanted -- in peace. So your rules don't ensure authenticity in this case. What does ensure authenticity is the fact that I looked at each fragment with a microscope, searching for those small, angular white clasts unique to this meteorite. It's very distinctive: I've taken mineralogy and petrology and never seen a terrestrial rock like it. It does resemble a few lunar meteorites grossly but is generally much more fine-grained. Just as the IMCA doesn't require each dealer to analyze NWA 869/801/978/753/etc., a stone from this find of many should be exempt from individual analysis. If you're going to go so far as to require each dealer to analyze his or her own material, I don't see why you wouldn't require that every chip or fragment that they buy then must be analyzed. Never mind the fact that this lot of fragments came from the exact same source as some of the larger stones that have since been put on the market. It simply doesn't make sense. But, I've already said this. You just ignored it. Same goes for most
Re: [meteorite-list] Chelyabinsk - channel 4 (UK) documentary
Well worth a watch although it takes the usual apocalyptic routebut not surprising after the Russian event I suppose...time to spot Dima again ;-) Graham On Mon, Mar 4, 2013 at 9:24 AM, Sergey Vasiliev vs.petrov...@gmail.com wrote: Unfortunately can't watch it in Czech Republic :-( Error: The service is not currently available in your area Sergey On Mon, Mar 4, 2013 at 9:56 AM, Spaceguard m...@spaceguarduk.com wrote: Watch and cringe! Jay Tate The Spaceguard Centre On 04/03/2013 08:20, karmaka wrote: Dear list members, the Channel 4 (UK) documentary about the Chelyabinsk fall, aired yesterday evening in the UK, can be watched online now for another 29 days 'Meteor Strike: Fireball from Space' http://www.channel4.com/programmes/meteor-strike-fireball-from-space Martin Postfach fast voll? Jetzt kostenlos E-Mail Adresse @t-online.de sichern und endlich Platz für tausende Mails haben. http://www.t-online.de/email-kostenlos __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list - No virus found in this message. Checked by AVG - www.avg.com Version: 2013.0.2899 / Virus Database: 2641/6136 - Release Date: 02/27/13 __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] sharp protrusion from an iron meteorite
Dear Martin, Jason and List First, Martin, I love your highly spirited answer to Jason. Jason, as Martin says (and respects you)... you both should smoke the peace pipe... I am following this list because I love meteorites, although I am barely buying any... maybe I will in the future. (I love pallasites... but sooo expensive...) This is a great back and forth exchange which gets to the core of some really technical but real aspect of dealing with classifying, selling etc... So... hope you solve your momentary quarrel Cheers Michael B. (a meteorite fan from France) -- From: Martin Altmann altm...@meteorite-martin.de Sent: Monday, March 04, 2013 6:28 PM To: meteorite-list@meteoritecentral.com Subject: Re: [meteorite-list] sharp protrusion from an iron meteorite Hiho Jason, not at all, I haven't any likely NWA 7034 at hand (nor would I have original NWA 7034 at hand, to compare), neither any leftover of NWA 4766 an official NWA 2975 pairing, whereof all stones were looked through by a meteorite scientist. (and anyway, how could you think that about me, tststs shame on you. Anyway I was out of biz for more than a year now, due to a disease and it will take a while until my little star will raise again to sparkle between the stars of the splendid Northern constellation of the FC Meteorite House). (I hadn't cost you a customer, it was his free decision. He asked in the forum, I told him, that also for me your description is not 100% clear and that he should ask you about the status of your material. And as he was a newer collector, I told him the difference between unclassified and classified material in the view of a collector. Told him, when his concern is only about the material itself, he could take advantage of your offer (as I trust in your abilities), but if he wants to get the number out of the media, it would be normal to take in account a higher price and to buy from a seller offering original NWA 7034, and that this with decision nobody could help him, but that he has to make it.) Hey, but now back to the beef. Jason, I have I an idea, which is also more comfort, as we don't have to argue then anymore. What do you think about the idea, that we both in your case file a formal complaint to the IMCA? Formal complaint, cause else IMCA doesn't occupy themselves with a case. I mean, they must know better than we, how to interpret their CoE. And then we wait for their decision. No worries, there will be no harm to you. Either they will say, correct your descriptions and commend how to do so and ask you to avoid something similar in future Or they will say, the complaint is baseless, it's o.k. like you did it (and you won a crate of beer from me at the nextTucson show). Shall we? Martin -Ursprüngliche Nachricht- Von: meteorite-list-boun...@meteoritecentral.com [mailto:meteorite-list-boun...@meteoritecentral.com] Im Auftrag von Jason Utas Gesendet: Montag, 4. März 2013 16:42 An: Meteorite-list Betreff: Re: [meteorite-list] sharp protrusion from an iron meteorite Ahhh, now I get it. Before I could have seen it as simple concern. Now I'm guessing you purchased some more material paired with NWA 7034, hope to sell it in the future, and are attacking my material accordingly. So now I'm not allowed to have my own opinion? Wow, Martin. I heard from some others (including a well-regarded scientist) that my last email raised some good points. You've got something else coming if you think I'm going to start taking your word as gospel, especially given your history. So you're the fellow who cost me a buyer by telling him that he should pay three times more for a chip from an analyzed rock. Well, shoot. Thanks for letting me know. I'll be sure to have your back next time. Re: everything else/the IMCA: Authenticity is something I take very seriously, and not just with other peoples' rocks. I'm as critical of my samples as I can be, and donating a ~2 gram fragment from my lot of NWA 7034-paired material would not guarantee the authenticity of the smaller fragments. Only close scrutiny -- or probing each one individually would do that, and that sort of analytical requirement has never been in place for the IMCA or elsewhere. I've already pointed out that I skirt directly referring to the stones as NWA 7034 on the website, so your rehashing the you're using someone else's number is getting old. I do say these fragments are paired. They are. You also disregard the fact that pieces are being worked on and that, even if I had 20% of my lot of fragments analyzed, per convention, most of the fragments wouldn't be directly tested. You wouldn't be attacking my credibility, and I could sell as many similar-looking terrestrial rocks as I wanted -- in peace. So your rules don't ensure authenticity in this case. What does ensure authenticity is the fact that I looked at each fragment with a microscope, searching for
Re: [meteorite-list] Possible that comet will hit mars next year!!!
Hi Jeff, New data puts it so strike likelihood increasing. http://spaceobs.org/en/2013/02/27/new-data-concerning-the-close-approach-of-comet-c2013-a1-to-mars/ If not an impact this means the planet will pass through the comet's coma. Lots of dust and gas. Meteor showers at the surface and all the hardware we have put there will be at risk. They are going to have to give some serious thought as to how to protect the MRO. My nephew at Oxford Uni calculated (roughly at the moment) that the apparent mag of the explosion if there is an impact would be between mag -3 and -6 as seen from Earth (variation due to uncertainty in diameter of comet nucleus). I am surprised that there has not been more about this in the news, especially since the Russian meteor. Graham Graham __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] C/2013 A1, Mars and spacecraft/rover operation
Hi Graham/Jeff/All, New data puts it so strike likelihood increasing. http://spaceobs.org/en/2013/02/27/new-data-concerning-the-close-approach -of-comet-c2013-a1-to-mars/ This is a rapidly evolving situation. Pre-recovery observations of C/2013 A1 were reported late last week that were made by Pan-STARRS 1 at Haleakala in early October, extending the observational arc by an additional two months. The nominal closest approach distance that NASA/JPL is now predicting is 53500 km. (The maximum distance of closest approach is ~317,000 km, giving an indication of the uncertainty that still remains.) While an impact is not yet ruled out, the trend is moving in that direction. If the five observations with the highest residuals are excluded from the computation, the nominal miss distance increases to 73700 km. If not an impact this means the planet will pass through the comet's coma. Lots of dust and gas. Meteor showers at the surface and all the hardware we have put there will be at risk. I think the rovers on the surface will be fine; the question is how well the three (and eventually four) spacecraft orbiting Mars will hold up passing through C/2013 A1's coma. Past interplanetary spacecraft have survived closer encounters with comets (Giotto, STARDUST), but they were designed for that mission (and nevertheless sustained damage and sensor failures). Mars Odyssey, Mars Express and the Mars Reconnaissance Orbiter may not do as well. MAVEN doesn't launch until November of December of this year, but coincidentally would arrive at Mars less than a month prior to the comet. Dr. Chris McKay at NASA-Ames is on the Curiosity team, and in his opinion the coma density would not be sufficient to have much effect on any of the orbiting spacecraft. But he emphasized that this was just his opinion, and it was made at a time when the nominal closest approach was 105,000 km. Should MRO suffer a failure, Curiosity will lose its fastest link with earth (2 megabits/second). It would still have a 256 kilobit/sec link via Odyssey. If both spacecraft should fail, Curiosity can communicate directly with earth through its X-band transceiver, but only at 32 kbits/s. --Rob __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] AD: Pasamonte, Valera, Seres, Nakhla, Ensisheim, Leighlinbridge many more meteorites ending soon on ebay!
Hello Listers Thank you for taking a look at my post of meteorites I have for sale on eBay. Here is your chance to own some rare and historic meteorites. Please take a look and if you have any questions or OFFERS /or TRADES, please email me and I'll get back with you. Lastly, if you are looking for bigger/smaller meteorites, let me know too. A meteorite is a meteorite, but a meteorite with history legacy, will always add aura to your meteorite collection and value. eBay Store http://www.ebay.com/sch/imca1633ny/m.html Feature Auctions PASAMONTE meteorite fall 1933 1st fireball caught on film - Extremely Rare! USA http://www.ebay.com/itm/251236675361?ssPageName=STRK:MESELX:IT_trksid=p3984.m1555.l2649 VALERA Cow killing HAMMER STONE meteorite - rare fall with documentation http://www.ebay.com/itm/261177089179?ssPageName=STRK:MESELX:IT_trksid=p3984.m1555.l2649 BLACK BEAUTY / NWA 7034 Martian/Mars meteorite - The H20 meteorite - NEW CLASS! http://www.ebay.com/itm/261177091870?ssPageName=STRK:MESELX:IT_trksid=p3984.m1555.l2649 LEIGHLINBRIDGE meteorite fall 1999 - TKW 271g from Ireland. Super Rare. http://www.ebay.com/itm/251238914894?ssPageName=STRK:MESELX:IT_trksid=p3984.m1555.l2649 HONOLULU meteorite fall from 1825 1st Hawaii meteorite fall - Extremely rare! http://www.ebay.com/itm/261179304412?ssPageName=STRK:MESELX:IT_trksid=p3984.m1555.l2649 SERES meteorite 1818 1st and only meteorite from Greece SUPER RARE! http://www.ebay.com/itm/251238905449?ssPageName=STRK:MESELX:IT_trksid=p3984.m1555.l2649 STANNERN historic meteorite fall-1808 very important and rare HED meteorite fall 2nd meteorite fall to come from Vesta http://www.ebay.com/itm/261179181647?ssPageName=STRK:MESELX:IT_trksid=p3984.m1555.l2649 ENSISHEIM historic meteorite fall from 1492 - 1st fall from France - Very Rare http://www.ebay.com/itm/261177603604?ssPageName=STRK:MESELX:IT_trksid=p3984.m1555.l2649 BERLANGUILLAS historic meteorite-Fell in 1811 Spain-1440g TKW Super Rare http://www.ebay.com/itm/251237242781?ssPageName=STRK:MESELX:IT_trksid=p3984.m1555.l2649 CHANTONNAY meteorite fell in 1812 in France. Very rare and hard to find stone! http://www.ebay.com/itm/251237239355?ssPageName=STRK:MESELX:IT_trksid=p3984.m1555.l2649 NEW CONCORD meteorite 1860-Horse killer-ASU collection! http://www.meteoritefalls.com/ http://www.ebay.com/itm/261179176138?ssPageName=STRK:MESELX:IT_trksid=p3984.m1555.l2649 NAKHLA Martian/Mars meteorite-1911 Fall-KING OF MARTIAN METEORITES-VERY RARE! http://www.ebay.com/itm/251233702717?ssPageName=STRK:MESELX:IT_trksid=p3984.m1555.l2649 Shawn Alan IMCA 1633 eBay Store http://www.ebay.com/sch/imca1633ny/m.html http://meteoritefalls.com/ __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Could a Comet Hit Mars in 2014? (Comet C/2013 A1)
http://www.space.com/20045-comet-hit-mars-2014.html Could a Comet Hit Mars in 2014? Ian O'Neill Discovery News March 4, 2013 A recently discovered comet will make an uncomfortably-close planetary flyby next year - but this time it's not Earth that's in the cosmic crosshairs. According to preliminary orbital prediction models, comet C/2013 A1 will buzz Mars on Oct. 19, 2014. The icy interloper is thought to originate from the Oort Cloud - a hypothetical region surrounding the solar system containing countless billions of cometary nuclei that were outcast from the primordial solar system billions of years ago. We know that the planets have been hit by comets before (re: the massive Comet Shoemaker-Levy 9 that crashed into Jupiter in 1994) and Mars, in particular, will have been hit by comets in the past. It's believed Earth's oceans were created, in part, by water delivered by comets - cometary impacts are an inevitable part of living in this cosmic ecosystem. C/2013 A1 was discovered by ace comet-hunter Robert McNaught at the Siding Spring Observatory in New South Wales, Australia, on Jan. 3. When the discovery was made, astronomers at the Catalina Sky Survey in Arizona looked back over their observations to find prerecovery images of the comet dating back to Dec. 8, 2012. These observations placed the orbital trajectory of comet C/2013 A1 through Mars orbit on Oct. 19, 2014. Could the Red Planet be in for a potentially huge impact next year? Will Mars rovers Curiosity and Opportunity be in danger of becoming scrap metal? It seems the likelihood of an awesome planetary impact is low - for now. According to calculations by NASA's Jet Propulsion Laboratory (JPL), close approach data suggests the comet is most likely to make a close pass of 0.0007 AU (that's approximately 63,000 miles from the Martian surface). However, there's one huge caveat. Due to uncertainties in the observations - the comet has only been observed for 74 days (so far), so it's difficult for astronomers to forecast the comet's precise location in 20 months time - comet C/2013 A1 may fly past at a very safe distance of 0.008 AU (650,000 miles). But to the other extreme, its orbital pass could put Mars directly in its path. At time of Mars close approach (or impact), the comet will be barreling along at a breakneck speed of 35 miles per second (126,000 miles per hour). Also, we don't yet know how big comet C/2013 A1 is, but comets typically aren't small. If it did hit, the impact could be a huge, global event. But the comet's likely location in 2014 is also highly uncertain, so this is by no means a sure thing for Mars impact (Curiosity, you can relax, for now). One thing is looking likely, however. Mars could be in for its own cometary spectacular. A flyby of that distance will mean that should C3/2013 A1 erupt with a tail and coma around its nucleus (as it becomes heated by solar radiation), our Mars rovers and orbiting armada of planetary observation satellites will have a very intimate view of this historic moment. It has the potential to be a more impressive sight than Comet ISON's inner-solar system trek later this year. But understanding the nature of comets is hard to predict; we won't know if the sun's heating will be sufficient enough for the comet nucleus to erupt and start out-gassing for some time to come. __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] C/2013 A1, Mars and spacecraft/rover operation
Thanks for the update Robinteresting times ahead. Graham On Mon, Mar 4, 2013 at 7:51 PM, Matson, Robert D. robert.d.mat...@saic.com wrote: Hi Graham/Jeff/All, New data puts it so strike likelihood increasing. http://spaceobs.org/en/2013/02/27/new-data-concerning-the-close-approach -of-comet-c2013-a1-to-mars/ This is a rapidly evolving situation. Pre-recovery observations of C/2013 A1 were reported late last week that were made by Pan-STARRS 1 at Haleakala in early October, extending the observational arc by an additional two months. The nominal closest approach distance that NASA/JPL is now predicting is 53500 km. (The maximum distance of closest approach is ~317,000 km, giving an indication of the uncertainty that still remains.) While an impact is not yet ruled out, the trend is moving in that direction. If the five observations with the highest residuals are excluded from the computation, the nominal miss distance increases to 73700 km. If not an impact this means the planet will pass through the comet's coma. Lots of dust and gas. Meteor showers at the surface and all the hardware we have put there will be at risk. I think the rovers on the surface will be fine; the question is how well the three (and eventually four) spacecraft orbiting Mars will hold up passing through C/2013 A1's coma. Past interplanetary spacecraft have survived closer encounters with comets (Giotto, STARDUST), but they were designed for that mission (and nevertheless sustained damage and sensor failures). Mars Odyssey, Mars Express and the Mars Reconnaissance Orbiter may not do as well. MAVEN doesn't launch until November of December of this year, but coincidentally would arrive at Mars less than a month prior to the comet. Dr. Chris McKay at NASA-Ames is on the Curiosity team, and in his opinion the coma density would not be sufficient to have much effect on any of the orbiting spacecraft. But he emphasized that this was just his opinion, and it was made at a time when the nominal closest approach was 105,000 km. Should MRO suffer a failure, Curiosity will lose its fastest link with earth (2 megabits/second). It would still have a 256 kilobit/sec link via Odyssey. If both spacecraft should fail, Curiosity can communicate directly with earth through its X-band transceiver, but only at 32 kbits/s. --Rob __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] AD- Monday Night Special Auction Ending!
Dear List Members, I have several Special Monday Night Auctions ending in a few hours and my normal auctions ending tomorrow evening. EBay is still the best place to get bargains so you may want to take a look if you do not want to pay anything near retail for some great specimens. Link to all auctions: http://shop.ebay.com/raremeteorites!/m.html Thank you for looking and if you are bidding, good luck, Adam __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] The Bruderheim Meteorite - 1960 Fall
http://www.edmontonjournal.com/technology/March+1960+Massive+meteorite+illuminates+northeast+Edmonton/8043398/story.html NOTE: this is an article about a meteorite fall in 1960. March 4, 1960: Massive meteorite illuminates the sky northeast of Edmonton Edmonton Journal March 4, 2013 [Photo] Meteor fragment found on a farm northeast of Edmonton. Shortly after 1 a.m., a brilliant meteorite flared across the sky and disintegrated with a blinding flash near Bruderheim, 50 kilometres northeast of Edmonton. Nearby houses were shaken, windows rattled and furniture moved by shock waves. The flash was reportedly visible for 320 km, followed by detonations like a sonic boom audible over an area of 5,100 square km. The more than 300 kilograms of olivine hypersthene chondrite stone constituted Canada's largest known meteorite. Just north of Bruderheim, bits of stone and iron rained down, some plowing pits as deep as 30 cm into the frozen earth. Calls poured in to the weather office and radio stations as Edmonton residents saw the flash in the sky on a west-northwest-to-east-southeast trajectory. Because the late show had just finished on television, there were several eyewitness accounts. The object was seen by control tower personnel at the Edmonton and Namao airports, and there were sightings of the meteorite as far south as Calgary. Interprovincial Pipeline employees northwest of Edmonton described the meteorite as a large, bright ball with a brilliant blue tail, and said they heard a two-second rumble, about 2-1/2 minutes after the flash. Douglas Crosby, associate professor of mathematics at the University of Alberta, said it appeared to have been a rare phenomenon. The Bruderheim Meteorite, as it came to be known, entered the atmosphere at such a high speed that it not only became incandescent and burned - as all meteorites do - but it also flared so rapidly it became explosive. Members of the Edmonton branch of the Royal Astronomical Society picked up some fragments near Bruderheim and turned them over to the U of A geology department. The largest such shard, at nearly 31 kilograms, is at the National Research Council in Ottawa, while other pieces remain at the U of A. The significance of the Bruderheim Meteorite endures. Aside from being the most significant meteorite fall by weight in Canadian history, the collection of Bruderheim meteorites and trades in the following decades are responsible for most of the growth of the University of Alberta Meteorite Collection into the largest university-based meteorite collection in Canada, Chris Herd, U of A associate professor of earth and atmosphereic sciences, said years later. And the collection still contains over 145 kg of Bruderheim meteorites. __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Self-Proclaimed Planetary Pairings.
It is amazing what some dealers try to get away with. In the long run, words that may describe their legacy might be; They sure were cheap, They didn't care, They sure knew how to make a nickel scream or It was all about money for them! Any dealer who has been around the planetary market long enough knows there are no shortcuts. Those taking shortcuts and trying to save a few bucks getting around the 20% type specimen repository will lose credibility very quickly in this niche market. What collector in their right mind would want a planetary meteorite without an official number when you can get an officially classified specimen for the same price? I am sorry, pairing a planetary meteorite yourself is wrong unless you are a real planetary scientist, not an aspiring one. Adam - Original Message - From: cdtuc...@cox.net cdtuc...@cox.net To: Adam Hupe raremeteori...@yahoo.com; Adam meteorite-list@meteoritecentral.com Cc: Sent: Monday, March 4, 2013 2:08 PM Subject: Re: [meteorite-list] Self-Proclaimed Planetary Pairings. Adam, Don't forget the big one. NWA 5400. In this case even with the word of a real Scientist, people had to wait for Oxygen Isotope comparisons. Luckily, The science proved pairings but, a self pairing is never a good idea. Carl meteoritemax Cheers Adam Hupe raremeteori...@yahoo.com wrote: I cannot believe in this day and age there are dealers self-proclaiming pairings on planetary material? I found that most collectors expect dealers to have each and every planetary stone in a pairing series examined by a competent scientist at the bare minimum. My brother and I go as far as depositingthe customary 20% even though we may suspect a pairing. We do not make the judgment call ourselves. NWA 1110, 4880 and others come to mind. We always get a unique number and claim the weight of the entire batch when multiples are found. We submit every piece for examination and claim all of the weight at once. In the case of NWA 2999, a thin-section was taken from every pebble. Self-pairing a planetary piece is equivalent to a coin or artifact dealer grading their own inventory. Come on, get a number and make the pieces official so as to avoid confusion later on! It is disrespectful to collectors and dealers who follow the rules to take shortcuts in order to save 20% and some lab fees. Adam __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Self-Proclaimed Planetary Pairings.
What difference does a 20% type specimen make to someone who is a millionaire? If someone has enough money to purchase a substantial quantity of planetary meteorite, then they have enough money to pay for lab analysis and the 20% type sample. What a First World problem that is. Should I have my stone classified? No, I need to save money for my next luxury car, or boat, or summer home, or vacation to Europe. Waaah. Cry me a river. Best regards, MikeG -- - Web - http://www.galactic-stone.com Facebook - http://www.facebook.com/galacticstone Twitter - http://twitter.com/GalacticStone Pinterest - http://pinterest.com/galacticstone RSS - http://www.galactic-stone.com/rss/126516 - On 3/4/13, Adam Hupe raremeteori...@yahoo.com wrote: It is amazing what some dealers try to get away with. In the long run, words that may describe their legacy might be; They sure were cheap, They didn't care, They sure knew how to make a nickel scream or It was all about money for them! Any dealer who has been around the planetary market long enough knows there are no shortcuts. Those taking shortcuts and trying to save a few bucks getting around the 20% type specimen repository will lose credibility very quickly in this niche market. What collector in their right mind would want a planetary meteorite without an official number when you can get an officially classified specimen for the same price? I am sorry, pairing a planetary meteorite yourself is wrong unless you are a real planetary scientist, not an aspiring one. Adam - Original Message - From: cdtuc...@cox.net cdtuc...@cox.net To: Adam Hupe raremeteori...@yahoo.com; Adam meteorite-list@meteoritecentral.com Cc: Sent: Monday, March 4, 2013 2:08 PM Subject: Re: [meteorite-list] Self-Proclaimed Planetary Pairings. Adam, Don't forget the big one. NWA 5400. In this case even with the word of a real Scientist, people had to wait for Oxygen Isotope comparisons. Luckily, The science proved pairings but, a self pairing is never a good idea. Carl meteoritemax Cheers Adam Hupe raremeteori...@yahoo.com wrote: I cannot believe in this day and age there are dealers self-proclaiming pairings on planetary material? I found that most collectors expect dealers to have each and every planetary stone in a pairing series examined by a competent scientist at the bare minimum. My brother and I go as far as depositingthe customary 20% even though we may suspect a pairing. We do not make the judgment call ourselves. NWA 1110, 4880 and others come to mind. We always get a unique number and claim the weight of the entire batch when multiples are found. We submit every piece for examination and claim all of the weight at once. In the case of NWA 2999, a thin-section was taken from every pebble. Self-pairing a planetary piece is equivalent to a coin or artifact dealer grading their own inventory. Come on, get a number and make the pieces official so as to avoid confusion later on! It is disrespectful to collectors and dealers who follow the rules to take shortcuts in order to save 20% and some lab fees. Adam __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Self-Proclaimed Planetary Pairings.
Mike, Adam is running his business in a most ethical and desirable way. His efforts add even more value and importance to the provenance trail. Why be critical of someone who is making our hobby a better place for collectors? I have dealt with Adam on many occasions and am 200% comfortable that all of the specimens he has sold me are authentic, accurately classified, and not a piece of a meteorite that someone feels should be paired with a numbered specimen. Adam does it right and we should be thankful that his business ethic is so high. That's my 0.02 on this Regards, Ed - Original Message - From: Galactic Stone Ironworks meteoritem...@gmail.com To: Adam Hupe raremeteori...@yahoo.com Cc: Adam meteorite-list@meteoritecentral.com Sent: Monday, March 04, 2013 5:37 PM Subject: Re: [meteorite-list] Self-Proclaimed Planetary Pairings. What difference does a 20% type specimen make to someone who is a millionaire? If someone has enough money to purchase a substantial quantity of planetary meteorite, then they have enough money to pay for lab analysis and the 20% type sample. What a First World problem that is. Should I have my stone classified? No, I need to save money for my next luxury car, or boat, or summer home, or vacation to Europe. Waaah. Cry me a river. Best regards, MikeG -- - Web - http://www.galactic-stone.com Facebook - http://www.facebook.com/galacticstone Twitter - http://twitter.com/GalacticStone Pinterest - http://pinterest.com/galacticstone RSS - http://www.galactic-stone.com/rss/126516 - On 3/4/13, Adam Hupe raremeteori...@yahoo.com wrote: It is amazing what some dealers try to get away with. In the long run, words that may describe their legacy might be; They sure were cheap, They didn't care, They sure knew how to make a nickel scream or It was all about money for them! Any dealer who has been around the planetary market long enough knows there are no shortcuts. Those taking shortcuts and trying to save a few bucks getting around the 20% type specimen repository will lose credibility very quickly in this niche market. What collector in their right mind would want a planetary meteorite without an official number when you can get an officially classified specimen for the same price? I am sorry, pairing a planetary meteorite yourself is wrong unless you are a real planetary scientist, not an aspiring one. Adam - Original Message - From: cdtuc...@cox.net cdtuc...@cox.net To: Adam Hupe raremeteori...@yahoo.com; Adam meteorite-list@meteoritecentral.com Cc: Sent: Monday, March 4, 2013 2:08 PM Subject: Re: [meteorite-list] Self-Proclaimed Planetary Pairings. Adam, Don't forget the big one. NWA 5400. In this case even with the word of a real Scientist, people had to wait for Oxygen Isotope comparisons. Luckily, The science proved pairings but, a self pairing is never a good idea. Carl meteoritemax Cheers Adam Hupe raremeteori...@yahoo.com wrote: I cannot believe in this day and age there are dealers self-proclaiming pairings on planetary material? I found that most collectors expect dealers to have each and every planetary stone in a pairing series examined by a competent scientist at the bare minimum. My brother and I go as far as depositingthe customary 20% even though we may suspect a pairing. We do not make the judgment call ourselves. NWA 1110, 4880 and others come to mind. We always get a unique number and claim the weight of the entire batch when multiples are found. We submit every piece for examination and claim all of the weight at once. In the case of NWA 2999, a thin-section was taken from every pebble. Self-pairing a planetary piece is equivalent to a coin or artifact dealer grading their own inventory. Come on, get a number and make the pieces official so as to avoid confusion later on! It is disrespectful to collectors and dealers who follow the rules to take shortcuts in order to save 20% and some lab fees. Adam __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com
Re: [meteorite-list] Self-Proclaimed Planetary Pairings.
I was not referring to Adam. On 3/3/13, Ed Deckert edeck...@triad.rr.com wrote: Mike, Adam is running his business in a most ethical and desirable way. His efforts add even more value and importance to the provenance trail. Why be critical of someone who is making our hobby a better place for collectors? I have dealt with Adam on many occasions and am 200% comfortable that all of the specimens he has sold me are authentic, accurately classified, and not a piece of a meteorite that someone feels should be paired with a numbered specimen. Adam does it right and we should be thankful that his business ethic is so high. That's my 0.02 on this Regards, Ed - Original Message - From: Galactic Stone Ironworks meteoritem...@gmail.com To: Adam Hupe raremeteori...@yahoo.com Cc: Adam meteorite-list@meteoritecentral.com Sent: Monday, March 04, 2013 5:37 PM Subject: Re: [meteorite-list] Self-Proclaimed Planetary Pairings. What difference does a 20% type specimen make to someone who is a millionaire? If someone has enough money to purchase a substantial quantity of planetary meteorite, then they have enough money to pay for lab analysis and the 20% type sample. What a First World problem that is. Should I have my stone classified? No, I need to save money for my next luxury car, or boat, or summer home, or vacation to Europe. Waaah. Cry me a river. Best regards, MikeG -- - Web - http://www.galactic-stone.com Facebook - http://www.facebook.com/galacticstone Twitter - http://twitter.com/GalacticStone Pinterest - http://pinterest.com/galacticstone RSS - http://www.galactic-stone.com/rss/126516 - On 3/4/13, Adam Hupe raremeteori...@yahoo.com wrote: It is amazing what some dealers try to get away with. In the long run, words that may describe their legacy might be; They sure were cheap, They didn't care, They sure knew how to make a nickel scream or It was all about money for them! Any dealer who has been around the planetary market long enough knows there are no shortcuts. Those taking shortcuts and trying to save a few bucks getting around the 20% type specimen repository will lose credibility very quickly in this niche market. What collector in their right mind would want a planetary meteorite without an official number when you can get an officially classified specimen for the same price? I am sorry, pairing a planetary meteorite yourself is wrong unless you are a real planetary scientist, not an aspiring one. Adam - Original Message - From: cdtuc...@cox.net cdtuc...@cox.net To: Adam Hupe raremeteori...@yahoo.com; Adam meteorite-list@meteoritecentral.com Cc: Sent: Monday, March 4, 2013 2:08 PM Subject: Re: [meteorite-list] Self-Proclaimed Planetary Pairings. Adam, Don't forget the big one. NWA 5400. In this case even with the word of a real Scientist, people had to wait for Oxygen Isotope comparisons. Luckily, The science proved pairings but, a self pairing is never a good idea. Carl meteoritemax Cheers Adam Hupe raremeteori...@yahoo.com wrote: I cannot believe in this day and age there are dealers self-proclaiming pairings on planetary material? I found that most collectors expect dealers to have each and every planetary stone in a pairing series examined by a competent scientist at the bare minimum. My brother and I go as far as depositingthe customary 20% even though we may suspect a pairing. We do not make the judgment call ourselves. NWA 1110, 4880 and others come to mind. We always get a unique number and claim the weight of the entire batch when multiples are found. We submit every piece for examination and claim all of the weight at once. In the case of NWA 2999, a thin-section was taken from every pebble. Self-pairing a planetary piece is equivalent to a coin or artifact dealer grading their own inventory. Come on, get a number and make the pieces official so as to avoid confusion later on! It is disrespectful to collectors and dealers who follow the rules to take shortcuts in order to save 20% and some lab fees. Adam __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Type 7 chondrites
Hi, Is there any consensus about petrologic type 7 chondrites? Are they better classified as Primitive Achondrites? If type 7 is different from primitive achondtites what is the line between them? Thanks, Peter Scherff __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Is this oriented?
Hi List. Can someone look at this picture and tell me if it is oriented? It is a 6.58 gm. whole stone of Millbillillie with 100% crust with flow lines. Top of meteorite is up, and conical tapering to a wide bottom. I bought this years ago and believe the Dealer said it was oriented but have had not much success making contact with the Dealer. I could take it out of the case and take more pics but I am being lazy (shame on me) thus using a picture I already had taken. Thank Guys/Gals. Here is the Link: http://www.ctreasurescwonders.com/millbillillie.html?r=20130304181254 Sincerely Don Merchant Founder-Cosmic Treasures Celestial Wonders www.ctreasurescwonders.com IMCA #0960 __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Is this oriented?
Will need more pics from various angles to tell. From this one top view one cannot say if it is or isn't. Guess you need to stop being lazy and snap some more pics. Looks like a very nice stone. Cheers, tett Mike Tettenborn Owen Sound, Ontario, Canada t...@rogers.com On 2013-03-04, at 6:20 PM, Don Merchant dmerc...@rochester.rr.com wrote: Hi List. Can someone look at this picture and tell me if it is oriented? It is a 6.58 gm. whole stone of Millbillillie with 100% crust with flow lines. Top of meteorite is up, and conical tapering to a wide bottom. I bought this years ago and believe the Dealer said it was oriented but have had not much success making contact with the Dealer. I could take it out of the case and take more pics but I am being lazy (shame on me) thus using a picture I already had taken. Thank Guys/Gals. Here is the Link: http://www.ctreasurescwonders.com/millbillillie.html?r=20130304181254 Sincerely Don Merchant Founder-Cosmic Treasures Celestial Wonders www.ctreasurescwonders.com IMCA #0960 __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Type 7 chondrites
Most classifiers don't use the type-7 designation because many of the chondrites that have been called type-7 seem to be impact-melt breccias. Most researchers believe that thermal metamorphism probably caused by asteroidal heating engendered by the decvay of short-lived radionuclides like 26-Al heated chondrites from type 3 to 4 to 5 to 6. If shock was responsible for causing a rock to be called type 7, then it seemed more prudent to just call it shocked and not use the type-7 designation. Most researchers believe that the primitive achondrites were also partly (or completely) melted by heating caused by the decay of 26-Al. I am not of these camps; it seems to me that heating of chondrites from type 3 to type 6 also results from impact heating and that the primitive achondrites formed in an analogous way, but that is another story. Alan Alan Rubin Institute of Geophysics and Planetary Physics University of California 3845 Slichter Hall 603 Charles Young Dr. E Los Angeles, CA 90095-1567 phone: 310-825-3202 e-mail: aeru...@ucla.edu website: http://cosmochemists.igpp.ucla.edu/Rubin.html - Original Message - From: Peter Scherff petersche...@rcn.com To: 'Adam' meteorite-list@meteoritecentral.com Sent: Monday, March 04, 2013 3:14 PM Subject: [meteorite-list] Type 7 chondrites Hi, Is there any consensus about petrologic type 7 chondrites? Are they better classified as Primitive Achondrites? If type 7 is different from primitive achondtites what is the line between them? Thanks, Peter Scherff __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] AD - NWA 7345, L4 with big Ca/Mg inclusions (3 slices and main mass)
Hello, I have sliced a recently classified (official) new L4 chondrite, because the possible inclusions that could contain. A lucky guess, because the centimetric Ca-Mg rich I found : http://wwmeteorites.com/Ventes/NWA%207345/NWA7345-32.12g-02.JPG No self claimed pairing of course, but I think you all have recognized this classic NWA sometime classified as L3.8-6, L4, L5... or other ;-) Here are the four specimens of this meteorite I offer for sale : http://wwmeteorites.com/Ventes/NWA7345.html Fabien Fabien Kuntz Météorites (ventes, expertise, conférences) Animation scientifique et technique www.wwmeteorites.com __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Is this oriented?
I wouldn't describe it as oriented, but that word is in the eye of the beholder I guess. To me, Lafayette is the poster child for orientation and flowlines. I guess you could say this - if you have to ask, it's not. ;) Best regards, MikeG PS - it's a very nice specimen, oriented or not. :) -- - Web - http://www.galactic-stone.com Facebook - http://www.facebook.com/galacticstone Twitter - http://twitter.com/GalacticStone Pinterest - http://pinterest.com/galacticstone RSS - http://www.galactic-stone.com/rss/126516 - On 3/4/13, Don Merchant dmerc...@rochester.rr.com wrote: Hi List. Can someone look at this picture and tell me if it is oriented? It is a 6.58 gm. whole stone of Millbillillie with 100% crust with flow lines. Top of meteorite is up, and conical tapering to a wide bottom. I bought this years ago and believe the Dealer said it was oriented but have had not much success making contact with the Dealer. I could take it out of the case and take more pics but I am being lazy (shame on me) thus using a picture I already had taken. Thank Guys/Gals. Here is the Link: http://www.ctreasurescwonders.com/millbillillie.html?r=20130304181254 Sincerely Don Merchant Founder-Cosmic Treasures Celestial Wonders www.ctreasurescwonders.com IMCA #0960 __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Type 7 chondrites
What thoughts about Taffessasset in this regard? Anyone wish to chime in? Richard M - Original Message - From: Alan Rubin aeru...@ucla.edu To: Peter Scherff petersche...@rcn.com; 'Adam' meteorite-list@meteoritecentral.com Sent: Monday, March 04, 2013 3:41 PM Subject: Re: [meteorite-list] Type 7 chondrites Most classifiers don't use the type-7 designation because many of the chondrites that have been called type-7 seem to be impact-melt breccias. Most researchers believe that thermal metamorphism probably caused by asteroidal heating engendered by the decvay of short-lived radionuclides like 26-Al heated chondrites from type 3 to 4 to 5 to 6. If shock was responsible for causing a rock to be called type 7, then it seemed more prudent to just call it shocked and not use the type-7 designation. Most researchers believe that the primitive achondrites were also partly (or completely) melted by heating caused by the decay of 26-Al. I am not of these camps; it seems to me that heating of chondrites from type 3 to type 6 also results from impact heating and that the primitive achondrites formed in an analogous way, but that is another story. Alan Alan Rubin Institute of Geophysics and Planetary Physics University of California 3845 Slichter Hall 603 Charles Young Dr. E Los Angeles, CA 90095-1567 phone: 310-825-3202 e-mail: aeru...@ucla.edu website: http://cosmochemists.igpp.ucla.edu/Rubin.html - Original Message - From: Peter Scherff petersche...@rcn.com To: 'Adam' meteorite-list@meteoritecentral.com Sent: Monday, March 04, 2013 3:14 PM Subject: [meteorite-list] Type 7 chondrites Hi, Is there any consensus about petrologic type 7 chondrites? Are they better classified as Primitive Achondrites? If type 7 is different from primitive achondtites what is the line between them? Thanks, Peter Scherff __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Type 7 chondrites
Dr. Rubin, If I read your response carefully, I believe you are saying that the petrologic state should not depend on the type of metamorphic process which makes sense. Seems to me that the the isotopic analysis should be used to identify chondritic material from achondritic material. Mendy Ouzillou - Original Message - From: Richard Montgomery rickm...@earthlink.net To: Alan Rubin aeru...@ucla.edu; Peter Scherff petersche...@rcn.com; 'Adam' meteorite-list@meteoritecentral.com Cc: Sent: Monday, March 4, 2013 5:14 PM Subject: Re: [meteorite-list] Type 7 chondrites What thoughts about Taffessasset in this regard? Anyone wish to chime in? Richard M - Original Message - From: Alan Rubin aeru...@ucla.edu To: Peter Scherff petersche...@rcn.com; 'Adam' meteorite-list@meteoritecentral.com Sent: Monday, March 04, 2013 3:41 PM Subject: Re: [meteorite-list] Type 7 chondrites Most classifiers don't use the type-7 designation because many of the chondrites that have been called type-7 seem to be impact-melt breccias. Most researchers believe that thermal metamorphism probably caused by asteroidal heating engendered by the decvay of short-lived radionuclides like 26-Al heated chondrites from type 3 to 4 to 5 to 6. If shock was responsible for causing a rock to be called type 7, then it seemed more prudent to just call it shocked and not use the type-7 designation. Most researchers believe that the primitive achondrites were also partly (or completely) melted by heating caused by the decay of 26-Al. I am not of these camps; it seems to me that heating of chondrites from type 3 to type 6 also results from impact heating and that the primitive achondrites formed in an analogous way, but that is another story. Alan Alan Rubin Institute of Geophysics and Planetary Physics University of California 3845 Slichter Hall 603 Charles Young Dr. E Los Angeles, CA 90095-1567 phone: 310-825-3202 e-mail: aeru...@ucla.edu website: http://cosmochemists.igpp.ucla.edu/Rubin.html - Original Message - From: Peter Scherff petersche...@rcn.com To: 'Adam' meteorite-list@meteoritecentral.com Sent: Monday, March 04, 2013 3:14 PM Subject: [meteorite-list] Type 7 chondrites Hi, Is there any consensus about petrologic type 7 chondrites? Are they better classified as Primitive Achondrites? If type 7 is different from primitive achondtites what is the line between them? Thanks, Peter Scherff __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Is this oriented?
IMHO, if it's got flow lines, it's oriented! Pete Date: Mon, 4 Mar 2013 20:02:34 -0500 From: meteoritem...@gmail.com To: dmerc...@rochester.rr.com CC: Meteorite-list@meteoritecentral.com Subject: Re: [meteorite-list] Is this oriented? I wouldn't describe it as oriented, but that word is in the eye of the beholder I guess. To me, Lafayette is the poster child for orientation and flowlines. I guess you could say this - if you have to ask, it's not. ;) Best regards, MikeG PS - it's a very nice specimen, oriented or not. :) -- - Web - http://www.galactic-stone.com Facebook - http://www.facebook.com/galacticstone Twitter - http://twitter.com/GalacticStone Pinterest - http://pinterest.com/galacticstone RSS - http://www.galactic-stone.com/rss/126516 - On 3/4/13, Don Merchant dmerc...@rochester.rr.com wrote: Hi List. Can someone look at this picture and tell me if it is oriented? It is a 6.58 gm. whole stone of Millbillillie with 100% crust with flow lines. Top of meteorite is up, and conical tapering to a wide bottom. I bought this years ago and believe the Dealer said it was oriented but have had not much success making contact with the Dealer. I could take it out of the case and take more pics but I am being lazy (shame on me) thus using a picture I already had taken. Thank Guys/Gals. Here is the Link: http://www.ctreasurescwonders.com/millbillillie.html?r=20130304181254 Sincerely Don Merchant Founder-Cosmic Treasures Celestial Wonders www.ctreasurescwonders.com IMCA #0960 __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Getting mixed reviews! NEW PICTURS Re: Is this oriented?
Okay List I am getting some for sure yes's and some no's to maybe to being oriented. Hmmm. Is this rocket science!Any one else with some deep deep expertise want to share their thoughts and why. Sincerely Don Merchant - Original Message - From: Don Merchant dmerc...@rochester.rr.com To: Don Merchant dmerc...@rochester.rr.com Cc: Don Merchant dmerc...@rochester.rr.com Sent: Monday, March 04, 2013 7:23 PM Subject: NEW PICTURS Re: [meteorite-list] Is this oriented? Ok List, you made me get up and take more pictures. So is it oriented? Here is the Link: http://www.ctreasurescwonders.com/millbillillie.html?r=20130304192453 Sincerely Don Merchant Founder-Cosmic Treasures Celestial Wonders www.ctreasurescwonders.com IMCA #0960 __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Is this oriented?
no way, tons of meteorites have flow lines, it is natural for anything falling and melting to have a flow line. That does not denote stable flight. If you are trying to sell me something oriented, I need to see shape, lines, rollover lipping, etc. Combined, those things can make nice orientation. But pretty much every Millbillillie has flow lines, many are oriented, but I saw no signs of orientation on that piece. Michael Farmer Sent from my iPad On Mar 4, 2013, at 7:07 PM, Pete Pete rsvp...@hotmail.com wrote: IMHO, if it's got flow lines, it's oriented! Pete Date: Mon, 4 Mar 2013 20:02:34 -0500 From: meteoritem...@gmail.com To: dmerc...@rochester.rr.com CC: Meteorite-list@meteoritecentral.com Subject: Re: [meteorite-list] Is this oriented? I wouldn't describe it as oriented, but that word is in the eye of the beholder I guess. To me, Lafayette is the poster child for orientation and flowlines. I guess you could say this - if you have to ask, it's not. ;) Best regards, MikeG PS - it's a very nice specimen, oriented or not. :) -- - Web - http://www.galactic-stone.com Facebook - http://www.facebook.com/galacticstone Twitter - http://twitter.com/GalacticStone Pinterest - http://pinterest.com/galacticstone RSS - http://www.galactic-stone.com/rss/126516 - On 3/4/13, Don Merchant dmerc...@rochester.rr.com wrote: Hi List. Can someone look at this picture and tell me if it is oriented? It is a 6.58 gm. whole stone of Millbillillie with 100% crust with flow lines. Top of meteorite is up, and conical tapering to a wide bottom. I bought this years ago and believe the Dealer said it was oriented but have had not much success making contact with the Dealer. I could take it out of the case and take more pics but I am being lazy (shame on me) thus using a picture I already had taken. Thank Guys/Gals. Here is the Link: http://www.ctreasurescwonders.com/millbillillie.html?r=20130304181254 Sincerely Don Merchant Founder-Cosmic Treasures Celestial Wonders www.ctreasurescwonders.com IMCA #0960 __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Getting mixed reviews! NEW PICTURS Re: Is this oriented?
Hi Don and List, Somebody (can't recall who), recently spoke on this subject. Anything with rounded edges and certain organic shapes are often deemed oriented. It is well known that thousands of years of sandblasting will produce rounded shapes that may look aerodynamic in some way. The loosey-goosey use of the word oriented is similar to the over-usage of fusion crust. Many dealers can't tell the difference between desert varnish and fusion crust. Half of the weathered-up lumps on eBay are either oriented or have crust, and usually such specimens exhibit neither. To me, I define oriented as this - if I have to ask myself, Is this oriented?, then it is not. True oriented stones are unmistakeable and they literally scream LOOK AT ME! I AM ORIENTED OUT THE WAZOO! Roll-over lip, flowlines, and a bubbly backside is what I look for. Best regards, MikeG -- - Web - http://www.galactic-stone.com Facebook - http://www.facebook.com/galacticstone Twitter - http://twitter.com/GalacticStone Pinterest - http://pinterest.com/galacticstone RSS - http://www.galactic-stone.com/rss/126516 - On 3/4/13, Don Merchant dmerc...@rochester.rr.com wrote: Okay List I am getting some for sure yes's and some no's to maybe to being oriented. Hmmm. Is this rocket science!Any one else with some deep deep expertise want to share their thoughts and why. Sincerely Don Merchant - Original Message - From: Don Merchant dmerc...@rochester.rr.com To: Don Merchant dmerc...@rochester.rr.com Cc: Don Merchant dmerc...@rochester.rr.com Sent: Monday, March 04, 2013 7:23 PM Subject: NEW PICTURS Re: [meteorite-list] Is this oriented? Ok List, you made me get up and take more pictures. So is it oriented? Here is the Link: http://www.ctreasurescwonders.com/millbillillie.html?r=20130304192453 Sincerely Don Merchant Founder-Cosmic Treasures Celestial Wonders www.ctreasurescwonders.com IMCA #0960 __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Type 7 chondrites
Here you are Richard: http://www.meteoritestudies.com/protected_TAFASS.HTM and http://www.impactika.com/nwa5131-tafassasset.pdf It was last analyzed by Dr Irving and Bunch who explained it to me this way: It is a CR6 (Carbonaceous-Renazzo) that went thru a metamorphic event (re-heated, re-crystalized). That makes it a Meta(morphic) CR6. That is the short version, read the rest for more detailled information. A strange meteorite, even in thin-sections. Anne M. Black www.IMPACTIKA.com impact...@aol.com -Original Message- From: Richard Montgomery rickm...@earthlink.net To: Alan Rubin aeru...@ucla.edu; Peter Scherff petersche...@rcn.com; 'Adam' meteorite-list@meteoritecentral.com Sent: Mon, Mar 4, 2013 6:14 pm Subject: Re: [meteorite-list] Type 7 chondrites What thoughts about Taffessasset in this regard? Anyone wish to chime in? Richard M - Original Message - From: Alan Rubin aeru...@ucla.edu To: Peter Scherff petersche...@rcn.com; 'Adam' meteorite-list@meteoritecentral.com Sent: Monday, March 04, 2013 3:41 PM Subject: Re: [meteorite-list] Type 7 chondrites Most classifiers don't use the type-7 designation because many of the chondrites that have been called type-7 seem to be impact-melt breccias. Most researchers believe that thermal metamorphism probably caused by asteroidal heating engendered by the decvay of short-lived radionuclides like 26-Al heated chondrites from type 3 to 4 to 5 to 6. If shock was responsible for causing a rock to be called type 7, then it seemed more prudent to just call it shocked and not use the type-7 designation. Most researchers believe that the primitive achondrites were also partly (or completely) melted by heating caused by the decay of 26-Al. I am not of these camps; it seems to me that heating of chondrites from type 3 to type 6 also results from impact heating and that the primitive achondrites formed in an analogous way, but that is another story. Alan Alan Rubin Institute of Geophysics and Planetary Physics University of California 3845 Slichter Hall 603 Charles Young Dr. E Los Angeles, CA 90095-1567 phone: 310-825-3202 e-mail: aeru...@ucla.edu website: http://cosmochemists.igpp.ucla.edu/Rubin.html - Original Message - From: Peter Scherff petersche...@rcn.com To: 'Adam' meteorite-list@meteoritecentral.com Sent: Monday, March 04, 2013 3:14 PM Subject: [meteorite-list] Type 7 chondrites Hi, Is there any consensus about petrologic type 7 chondrites? Are they better classified as Primitive Achondrites? If type 7 is different from primitive achondtites what is the line between them? Thanks, Peter Scherff __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Is this oriented?
Getting some excellent feedback on this and very well appreciated, while at the same time getting edumacated! Keep your thoughts coming! Sincerely Don Merchant - Original Message - From: Michael Farmer m...@meteoriteguy.com To: Pete Pete rsvp...@hotmail.com Cc: meteoritem...@gmail.com; dmerc...@rochester.rr.com; meteoritelist meteoritelist meteorite-list@meteoritecentral.com Sent: Monday, March 04, 2013 9:09 PM Subject: Re: [meteorite-list] Is this oriented? no way, tons of meteorites have flow lines, it is natural for anything falling and melting to have a flow line. That does not denote stable flight. If you are trying to sell me something oriented, I need to see shape, lines, rollover lipping, etc. Combined, those things can make nice orientation. But pretty much every Millbillillie has flow lines, many are oriented, but I saw no signs of orientation on that piece. Michael Farmer Sent from my iPad On Mar 4, 2013, at 7:07 PM, Pete Pete rsvp...@hotmail.com wrote: IMHO, if it's got flow lines, it's oriented! Pete Date: Mon, 4 Mar 2013 20:02:34 -0500 From: meteoritem...@gmail.com To: dmerc...@rochester.rr.com CC: Meteorite-list@meteoritecentral.com Subject: Re: [meteorite-list] Is this oriented? I wouldn't describe it as oriented, but that word is in the eye of the beholder I guess. To me, Lafayette is the poster child for orientation and flowlines. I guess you could say this - if you have to ask, it's not. ;) Best regards, MikeG PS - it's a very nice specimen, oriented or not. :) -- - Web - http://www.galactic-stone.com Facebook - http://www.facebook.com/galacticstone Twitter - http://twitter.com/GalacticStone Pinterest - http://pinterest.com/galacticstone RSS - http://www.galactic-stone.com/rss/126516 - On 3/4/13, Don Merchant dmerc...@rochester.rr.com wrote: Hi List. Can someone look at this picture and tell me if it is oriented? It is a 6.58 gm. whole stone of Millbillillie with 100% crust with flow lines. Top of meteorite is up, and conical tapering to a wide bottom. I bought this years ago and believe the Dealer said it was oriented but have had not much success making contact with the Dealer. I could take it out of the case and take more pics but I am being lazy (shame on me) thus using a picture I already had taken. Thank Guys/Gals. Here is the Link: http://www.ctreasurescwonders.com/millbillillie.html?r=20130304181254 Sincerely Don Merchant Founder-Cosmic Treasures Celestial Wonders www.ctreasurescwonders.com IMCA #0960 __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Membrane boxes go boom?
I am observing something weird with some of my older membrane boxes. The membrane is starting to degrade and go cloudy, and in at least one specimen (Imilac, bought at Tucson, I forget the year) the membrane has ruptured and the slice is rattling around loose in the box. Has anyone else had this happen to their specimens? Best! Tracy Latimer __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Membrane boxes go boom?
I have had membrane boxes go cloudy on me also. I'm not sure what causes it. It seems to be random in my experience. I only keep a few of them on hand, because I store most of my personal specimens in gemjars or riker boxes - those never get cloudy. Best regards, MikeG -- - Web - http://www.galactic-stone.com Facebook - http://www.facebook.com/galacticstone Twitter - http://twitter.com/GalacticStone Pinterest - http://pinterest.com/galacticstone RSS - http://www.galactic-stone.com/rss/126516 - On 3/4/13, tracy latimer daist...@hotmail.com wrote: I am observing something weird with some of my older membrane boxes. The membrane is starting to degrade and go cloudy, and in at least one specimen (Imilac, bought at Tucson, I forget the year) the membrane has ruptured and the slice is rattling around loose in the box. Has anyone else had this happen to their specimens? Best! Tracy Latimer __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Membrane boxes go boom?
Hi Tracy, I had the membrane in one small box degrade and get very cloudy over a eight year (or so) period. I was storing small mineral crystals in it. I think it was a result of heat as it was kept in my office where the AC is turned off on the weekends and it gets a little toasty here in the summer in Bakersfield. I've seen nothing with any meteorite specimens stored this way, but there are stored in a more temperature environment. All the best, Frank From: tracy latimer daist...@hotmail.com To: meteorite-list@meteoritecentral.com meteorite-list@meteoritecentral.com Sent: Mon, March 4, 2013 7:29:00 PM Subject: [meteorite-list] Membrane boxes go boom? I am observing something weird with some of my older membrane boxes. The membrane is starting to degrade and go cloudy, and in at least one specimen (Imilac, bought at Tucson, I forget the year) the membrane has ruptured and the slice is rattling around loose in the box. Has anyone else had this happen to their specimens? Best! Tracy Latimer __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Is this oriented?
Thank you List to all who expressed their opinions on this is it oriented or not visual examination topic. I did get a variety of yes and no's, and each answer had excellent reasons for or against. My personal opinion from the get go was that it was not oriented, but I still wanted to investigate the possibility that the specimen could be oriented by tapping into the minds of those of you who are much more experienced then me in the world of meteorites and the visual signs to look for that help qualify a specimen as oriented, plus I wanted to be careful how I label this meteorite in my collection. Again thank you very much for all your opinions. Sincerely Don Merchant Sincerely Don Merchant Founder-Cosmic Treasures Celestial Wonders www.ctreasurescwonders.com IMCA #0960 __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Type 7 chondrites
The designations of petrologic type is based on texture (pristine or recrystallized) and degree of mineralogical equilibration. Those that appear most recrystallized have rather uniform mineral compositions indicative of a high degree of annealing or thermal metamorphism. Although other properties also vary with petrologic type (e.g., the concentration of some volatile elements), those other properties are not the main classificatory criteria. The petrologic types are the phenomenon that requires us to think of a heat source. In the past, some maintained that chondrites accreted hot from the nebula and were autometamorphosed. Few believe that these days. As I said before, most researchers attribute the apparent annealing to the decay of 26-Al, which was undoubtedly present. My papers over the past 20 years have provided evidence that impact-heating was a major heat source for chondi\ritic meteorites. Both mechanisms may have been active. As far as achondrites are concerned, their designation is based on having a chondrule-free, usually igneous, texture. They appear to have formed from a melt. The particular isotopic compositions of different achondrite groups (e.g., HEDs, aubrites, angrites) are not important for distinguishing chondrites from achondrites. But we are again faced with the question of what heat source or sources caused achondrites to melt. Most researchers would maintain that it was mainly 26-Al. Alan Rubin Institute of Geophysics and Planetary Physics University of California 3845 Slichter Hall 603 Charles Young Dr. E Los Angeles, CA 90095-1567 phone: 310-825-3202 e-mail: aeru...@ucla.edu website: http://cosmochemists.igpp.ucla.edu/Rubin.html - Original Message - From: Mendy Ouzillou ouzil...@yahoo.com To: Richard Montgomery rickm...@earthlink.net; Alan Rubin aeru...@ucla.edu; Peter Scherff petersche...@rcn.com; 'Adam' meteorite-list@meteoritecentral.com Sent: Monday, March 04, 2013 5:35 PM Subject: Re: [meteorite-list] Type 7 chondrites Dr. Rubin, If I read your response carefully, I believe you are saying that the petrologic state should not depend on the type of metamorphic process which makes sense. Seems to me that the the isotopic analysis should be used to identify chondritic material from achondritic material. Mendy Ouzillou - Original Message - From: Richard Montgomery rickm...@earthlink.net To: Alan Rubin aeru...@ucla.edu; Peter Scherff petersche...@rcn.com; 'Adam' meteorite-list@meteoritecentral.com Cc: Sent: Monday, March 4, 2013 5:14 PM Subject: Re: [meteorite-list] Type 7 chondrites What thoughts about Taffessasset in this regard? Anyone wish to chime in? Richard M - Original Message - From: Alan Rubin aeru...@ucla.edu To: Peter Scherff petersche...@rcn.com; 'Adam' meteorite-list@meteoritecentral.com Sent: Monday, March 04, 2013 3:41 PM Subject: Re: [meteorite-list] Type 7 chondrites Most classifiers don't use the type-7 designation because many of the chondrites that have been called type-7 seem to be impact-melt breccias. Most researchers believe that thermal metamorphism probably caused by asteroidal heating engendered by the decvay of short-lived radionuclides like 26-Al heated chondrites from type 3 to 4 to 5 to 6. If shock was responsible for causing a rock to be called type 7, then it seemed more prudent to just call it shocked and not use the type-7 designation. Most researchers believe that the primitive achondrites were also partly (or completely) melted by heating caused by the decay of 26-Al. I am not of these camps; it seems to me that heating of chondrites from type 3 to type 6 also results from impact heating and that the primitive achondrites formed in an analogous way, but that is another story. Alan Alan Rubin Institute of Geophysics and Planetary Physics University of California 3845 Slichter Hall 603 Charles Young Dr. E Los Angeles, CA 90095-1567 phone: 310-825-3202 e-mail: aeru...@ucla.edu website: http://cosmochemists.igpp.ucla.edu/Rubin.html - Original Message - From: Peter Scherff petersche...@rcn.com To: 'Adam' meteorite-list@meteoritecentral.com Sent: Monday, March 04, 2013 3:14 PM Subject: [meteorite-list] Type 7 chondrites Hi, Is there any consensus about petrologic type 7 chondrites? Are they better classified as Primitive Achondrites? If type 7 is different from primitive achondtites what is the line between them? Thanks, Peter Scherff __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Meteorite Picture of the Day
Today's Meteorite Picture of the Day: Bassikounou Contributed by: Jean-Michel Masson http://www.tucsonmeteorites.com/mpod.asp __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Sharing a Find (and What It Is That It Somewhat Resembles, In My Opinion)
This links to a set of recently taken photos of a stone, which is in my possession: http://www.flickr.com/photos/67498324@N08/sets/72157632910750544/ ... Here is an image of a documented meteorite, which I find it resembles, relatively so, at least: the Wellman H4 as documented by The Tricotte Collection site at http://www.thetricottetcollection.com/img/img_met/14-5_Wellman(c)_AML.jpg ... I sincerely thank you for looking, those who will, Peter Richards __ Visit the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
