[meteorite-list] AD - More New Pieces
Hello everybody Yes, it is late, or very late, depending which clock you are looking at, but I finally got another 15 pieces posted on my site. They are all on this page: www.impactika.com/meteorites-frame.html Some very nice pieces there, if I may say so myself. I particularly recommend the new DAG carbonaceous, a CV / CK3. Ever seen one of those before? Goodnight, I'll be glad to answer your questions tomorrow (or later today, rather) Anne M. Black www.IMPACTIKA.com [EMAIL PROTECTED] President, I.M.C.A. Inc. www.IMCA.cc __ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] free meteorite posters bilingual (English/French)
Hi, at the Paris, Ontario gem mineral show yesterday I picked up a dozen free color posters about meteorites made by the Geological Survey of Canada. These are 84cm x 52cm (33 x 21) and come already folded, so they will fit in a 10 by 12 envelope. One side is in English and the other side in French. The paper has a dull finish, not glossy. Depicted are Mundrabilla, Annaheim, Bruderheim, Springwater, and some meteorwrongs. Great for kids or for anybody who wants to learn some meteorite French (or English for that matter - I am thinking of someone in particular...) I will send these out FREE to the first 10 people who contact me at [EMAIL PROTECTED] Repeat: if you want a poster, do not reply to THIS address. Reply to [EMAIL PROTECTED] Jeffrey Shallit __ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Park Forest meteor?
I just upload the video on my internet web-site, only 671.280 Kb. http://web.tiscali.it/francesco.moser/ParkForest.avi Ciao Francesco Moser http://web.tiscali.it/francesco.moser/ IMCA #1510 www.imca.cc AAT www.astrofilitrentini.it - Original Message - From: Meteoryt.net [EMAIL PROTECTED] To: Chris Peterson [EMAIL PROTECTED]; meteorite-list@meteoritecentral.com Sent: Sunday, April 03, 2005 6:23 PM Subject: Re: [meteorite-list] Park Forest meteor? Thousands of witnesses to the fireball, and at least one video. Chris Video ? Anyone have it ? I want see.. -[ MARCIN CIMALA ]-[ I.M.C.A.#3667 ]- http://www.Meteoryt.net [EMAIL PROTECTED] http://www.PolandMET.com [EMAIL PROTECTED] http://www.Gao-Guenie.com GSM +48(607)535 195 [ Member of Polish Meteoritical Society ] __ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Allende inclusion help!!!
Hey List, this Allende has an inclusion and I really would like to know what it is so I am sending this ebay link, not to show you this neat meteorite, but to try to find out what you all think this inclusion could be, I am dieing of curiosity! http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemcategory=3239item=6523135359; rd=1 Thanks, Tom peregrineflier IMCA 6168 http://www.frontiernet.net/~peregrineflier/Peregrineflier.htm http://fstop.proboards24.com/ __ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Park Forest meteor?
This is impressive, considering that it was made almost 100 miles from the impact area. The video is very similar to one made 190 miles away from the 2002.11.29 event over Montrose, Colorado. Chris * Chris L Peterson Cloudbait Observatory http://www.cloudbait.com - Original Message - From: Moser Francesco [EMAIL PROTECTED] To: ZZ ML Meteorite-List meteorite-list@meteoritecentral.com Sent: Sunday, April 03, 2005 10:43 AM Subject: Re: [meteorite-list] Park Forest meteor? I just upload the video on my internet web-site, only 671.280 Kb. http://web.tiscali.it/francesco.moser/ParkForest.avi Ciao Francesco Moser http://web.tiscali.it/francesco.moser/ IMCA #1510 www.imca.cc AAT www.astrofilitrentini.it - Original Message - From: Meteoryt.net [EMAIL PROTECTED] To: Chris Peterson [EMAIL PROTECTED]; meteorite-list@meteoritecentral.com Sent: Sunday, April 03, 2005 6:23 PM Subject: Re: [meteorite-list] Park Forest meteor? Thousands of witnesses to the fireball, and at least one video. Chris Video ? Anyone have it ? I want see.. __ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
RE: [meteorite-list] impact melts
I haven't seen a reply to your post yet, so I'll take a shot. The terms chondrite and achondrite are not used to denote texture any more. They were originally coined for that purpose, but that was long before the very accurate chemical analysis techniques we have today, and the greater understanding of the formation of meteorites. A chondrite is a meteorite that has a 'chondritic' composition, that is a composition similar to that found in the Sun. (This is assumed to be the composition of protoplanetary disk, except for some changes due to a few billion years of nuclear fusion.) So a CI chondrite is still a chondrite even though there are no chondrules to be seen. An achondrite is a meteorite whose composition has been altered significantly from the chondritic precursor material by, I guess I have to call it geological processes. In other words, they are differentiated rocks. Just completely melting a meteoroid doesn't make it an achondrite. Something like a cumulate eucrite is essentially a basalt or lava rock that can be found on Earth. It formed from a precursor rock that was completely melted and grains of particular minerals precipitated and settled out of the melt, probably settling to the bottom of the magma chamber. Meanwhile other material in the melt, with a different composition since the remaining minerals would crystallize at a different temperature (different time), would perhaps float on top and become a different rock above or perhaps be drawn off or 'move' somewhere else while still fluid to crystallize somewhere else etc. A cumulate eucrite is a highly differentiated rock. You can envision scenarios where a melt would differentiate slightly, but not nearly so dramatically. These would be a more primitive differentiated rock or achondrite. An impact melt is just that -- a rock that melted from an impact. A chondrite that melted from an impact is still a chondrite, because the bulk composition has not changed, just the texture of the rock since it melted and solidified again. There are certainly impact melts that appear to be entirely melted precursor material. Happy Canyon was originally considered an E6, then an E7, and now an E - impact melt (but a chondrite nonetheless). A breccia is a rock that is made up of broken pieces of rock that re-lithified some way or another. A breccia could be made up entirely of pieces of the same rock (pieces of the impact melt), or be a mixture of pieces of different rocks (pieces of the melt, unmelted precursor material, etc.). Sorry for the long answer, but some background into why seemed more useful than a yes or no. Frank Prochaska -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of stan . Sent: Saturday, April 02, 2005 6:42 PM To: meteorite-list@meteoritecentral.com Subject: [meteorite-list] impact melts are all impact melts breccias of melt and original matrix? if the matrix is totally melted is is still considered an impact melt, or does the stone become an achonderite (a non primative achonderite, young achonderite, etc) thanks for any clarification __ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] impact melts
Sorry for the long answer, but some background into why seemed more useful than a yes or no. Thank You. This was verry interesting, simple to understand and about meteorites. Not too short, but also not too long. Just a core of this case. More emails like this :) -[ MARCIN CIMALA ]-[ I.M.C.A.#3667 ]- http://www.Meteoryt.net [EMAIL PROTECTED] http://www.PolandMET.com [EMAIL PROTECTED] http://www.Gao-Guenie.com GSM +48(607)535 195 [ Member of Polish Meteoritical Society ] __ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Allende inclusion help!!!
LOL. Thats my ebay ad! The dark inclusion is refered to by Smithsonian's The Allende, Mexico meteor Shower, (Smithsonian Contributions to Earth Sciences -1970 no5 - They even show one on page 32) as a Dark Inclusion. Yep, them Yankee scientists get awefully technical. In the booklet, they show the composition of the Dark inclusion as showing higher than average FeO, and NiS. And half the average FeS. Still, I have no idea what the real mineralogy is... All I know is I recovered it on my 2002 expedition to Chihuahua. -mt On 3 Apr 2005 at 10:09, Tom Knudson wrote: Hey List, this Allende has an inclusion and I really would like to know what it is so I am sending this ebay link, not to show you this neat meteorite, but to try to find out what you all think this inclusion could be, I am dieing of curiosity! http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemcategory=3 239item=6523135359 rd=1 Thanks, Tom peregrineflier IMCA 6168 http://www.frontiernet.net/~peregrineflier/Peregrineflier.htm http://fstop.proboards24.com/ -- McCartneyTaylor, IMCA 2760 __ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Allende inclusion help!!!
Hi Tom, McCartneyTaylor, and List, Hey List, this Allende has an inclusion and I really would like to know what it is so I am sending this ebay link, not to show you this neat meteorite, but to try to find out what you all think this inclusion could be, I am dieing of curiosity! http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemcategory=3239item=6523135359; rd=1 It is either a carbonaceous inclusion, a CO3 - a CO3 carbonaceous chondrite within a CV3 carbonaceous chondrite. Maybe you remember the piece that the Hupes offered on EBay until a few days ago and/or the pieces Eric Olson sold in February/March 2004. .. or, as McCartneyTaylor just wrote: an Allende dark inclusion. Still, I have no idea what the real mineralogy is... HEYMANN D. et al. (1987) Carbon in dark inclusions of the Allende meteorite (Meteoritics 22, 1987, 3-15, excerpt, p.3): Dark inclusions (DI's) are among the major petrographic components of the Allende meteorite; the others being: a fine-grained matrix of predominantly olivine, chondrules, and irregular inclusions. DI's have also been called fine- grained xenoliths. Their dimensions can be millimeters, and even centimeters. The larger DI's can usually be recognized easily on cut surfaces of the Allende meteorite because they appear darker than their surrounding areas, and are often poor in chondrules or large irregular inclusions. Fruland, Clanton, and Walton (1977) recognized three types of DI's: (1) a black fine-grained matrix with few clasts and rare chondrules, (2) a discontinuous, black, fine-grained matrix with abundant clasts and chondrules, and (3) densely packed clasts and chondrules with a small percentage of discontinuous interstitial matrix. Fruland (1978) reports SEM petrography on two lensoidal DI's: both display sharp boundaries with the lighter Allende matrix; one has an approximately 60 µm wide, but discontinuous rim of Ca-rich silicates. Fruland notes that these two DI's *consist primarily of silicates, metal, and sulfides*, with grain sizes up to about 40 µm; hence, *coarser than matrix*. Fruland also notes: Many clasts have a *dark 'accretionary' halo*. Best wishes, Bernd __ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] AD: more stuf sor sale
Hi here is some more stuf for sale. Give me an offer. NOTE. From now on my adress is [EMAIL PROTECTED] The old adress will stop working. Best Lars __ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Dark Inclusions
HUTCHISON R. (2004) Meteorites: A Petrologic, Chemical, and Isotopic Synthesis (Cambridge Planetary Science Series, pp. 506, p. 92): Dark inclusions or matrix lumps are present in the members of a number of groups of the carbonaceous chondrites. The inclusions are mm-sized, may be chondrule- and CAI-free and generally are phyllosilicate-rich with magnetite and sulfide and are more aqueously altered than matrix. These characteristics most closely resemble CI chondrites. Best wishes, Bernd __ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Ad- Auctions ending Howardite, Park Forest etc.
Hello, I have several auctions ending soon. Howardite slice currently at $1.80/ gram and Park Forest piece also. http://search.ebay.com/_W0QQsassZmaccers531 Thanks Bob E __ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] AD: more stuf sor sale+ link
Ups... here is the adress: http://home20.inet.tele.dk/stargazer/ Lars - Original Message - From: Bob Evans [EMAIL PROTECTED] To: Lars Pedersen [EMAIL PROTECTED] Sent: Sunday, April 03, 2005 9:28 PM Subject: Re: [meteorite-list] AD: more stuf sor sale Where?? - Original Message - From: Lars Pedersen [EMAIL PROTECTED] To: meteorite-list@meteoritecentral.com Sent: Sunday, April 03, 2005 1:53 PM Subject: [meteorite-list] AD: more stuf sor sale Hi here is some more stuf for sale. Give me an offer. NOTE. From now on my adress is [EMAIL PROTECTED] The old adress will stop working. Best Lars __ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] AD (Delete) Gold Basin Metorites
Good Evening List, I have a few auctions about to end, thought I would let folks know. http://search.ebay.com/Gold-Basin-meteorite_W0QQsojsZ1QQfromZR40 Thanks, Larry __ Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
