[meteorite-list] Acapulcoite/Lodranite Parent-body
Hi all, Does anyone know enough about the Acapulcoite/Lodranite Parent-body to know what the main differences between the classifications are? Is it just the grain size or is there a composition difference etc too? Any paper references would be appreciated. Thanks, Jeff __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Aliens and UFOs » Aliens Attack ing Bosnian Man with Meteorites
Not sure about this one.. Anyone heard of this meteorite attack? http://www.abovetopsecret.com/forum/thread595074/pg1 __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] AD - lot of 33 metallic labels
I thought some list members might be interested by a lot of metallic labels (http://www.meteoritelabels.com/main.html) that I don't need anymore. I have the following 33 labels (all bent 1 x 1.75): Allende, Bensour, Camel Donga, Campos Sales, Canyon Diablo, El Hammami, Forest City, Gao-Guenie, Holbrook, Imilac, Juancheng, Kilabo, Millbillillie, Mocs, Mount Tazerzait, Nuevo Mercurio, Ochansk, Oum Dreyga, Ourique, Park Forest, Portales Valley, Pultusk, Sikhote-Alin, St Michel, Suizhou, Taza, Toluca, Thuathe, Tulia (a), Vaca Muerta, Villalbeto de la Pena (custom), Wiluna, Zag $35 (shipping included) for the lot, first come first served. Note that they normally cost $2.50 new and custom ones $15. Thanks, ArnaudM The Tricottet Collection of Natural History Specimens (Minerals, Fossils Meteorites) www.thetricottetcollection.com Facebook: The Tricottet Collection Twitter: TricottetColl _ The New Busy think 9 to 5 is a cute idea. Combine multiple calendars with Hotmail. http://www.windowslive.com/campaign/thenewbusy?tile=multicalendarocid=PID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_5 __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] AD - lot of 33 metallic labels - GONE
The lot is sold Arnaud _ Hotmail is redefining busy with tools for the New Busy. Get more from your inbox. http://www.windowslive.com/campaign/thenewbusy?ocid=PID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_2 __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Acapulcoite/Lodranite Parent-body
Hi Jeff and List, Jeff wrote: Any paper references would be appreciated. Here are a few that might be of help: McCOY T.J. et al. (1992) Petrogenesis of the Lodranite-Acapulcoite parent body (Meteoritics 27-3, 1992, A258). P. Pellas et al. (1994) Thermal Evolution of Acapulcoite-Lodranite Parent Body (Meteoritics 29-4, 1994, A517). McCOY T.J. et al. (1996) A petrologic, chemical, and isotopic study of Monument Draw and comparison with other acapulcoites: Evidence for formation by incipient partial melting (GCA 60, 2681- 2708). TERRIBILINI D. et al. (2000) Evidence for common breakup events of the acapulcoites-lodranites and chondrites (MAPS 35-5, 2000, pp. 1043-1050). FLOSS C. (2000) Complexities on the acapulcoite-lodranite parent body: Evidence from trace element distributions in silicate minerals (MAPS 35-5, 2000, pp. 1073-1085). MITTLEFEHLDT D.W. (2003) Acapulcoite-lodranite clan achondrites: How many parent bodies? (MAPS 38-7, 2003, A095). PATZER A. et al. (2004) Evolution and classification of acapulcoites and lodranites from a chemical point of view (MAPS 39-1, 2004, 61-85). EUGSTER O. et al. (2004) Evidence for a two-layer structure of the Acapulco/Lodranite parent asteroid and 5 ma CRE age of four new acapulcoites (MAPS 39-8, 2004, A038). CROWTHER S.A. et al. (2009) Collisional modification of the acapulcoite/lodranite parent body revealed by the iodine-xenon system in lodranites (MAPS 44-8, 2009, 1151-1159). __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Spirit Mars Rover Could Emerge From Slumber Soon
http://www.spaceflightnow.com/news/n1007/19spirit/ Red Planet rover could emerge from slumber soon BY STEPHEN CLARK SPACEFLIGHT NOW July 19, 2010 NASA officials say the best chance to hear from the napping Spirit rover again will be in September or October, but the timing of the robot's revival from winter hibernation is an engineering guessing game. Spirit was forced to sleep by the cold winter in the Martian southern hemisphere, where low sun angles were not sufficient to power the rover through solar panels. The stranded rover last communicated with Earth on March 22. Spirit has been stuck in a sand pit known as Troy since April 2009, leaving the rover tilted away from the sun and limiting its ability to produce electricity. The winter solstice at Spirit's location was May 13, and conditions should now be improving. But the rover's batteries likely won't be collecting enough sunlight to begin communicating again until September or October. Spirit's energy production had dipped to 134 watt hours before controllers lost communications March 22. While we've passed winter solstice, and the sun is getting a little higher in the sky, the intensity of the sun is still very low, said Doug McCuistion, the director of NASA's Mars exploration program. So we actually don't think we're going to have enough power to hear from it for another month-and-a-half or two months. The peak probability is going to be in late September or early October. But that's just a best guess, according to Steve Squyres, the top scientist for the Spirit and Opportunity rovers from Cornell University. It depends on the power projections, which are obviously uncertain, Squyres said in an interivew last week. It depends very much on how much dust is on the solar arrays, and we have no way of monitoring that at the current time. Our best guess is probably like October-ish, but that's got a lot of uncertainty in it. NASA's large communications antennas are regularly listening for messages from Spirit, just in case the rover wakes up earlier than predicted. Then there's the concern that Martian dust has accumulated on Spirit's solar arrays, the robot's lifeline to wake up from its winter slumber. The solar array panels were pretty dirty, McCuistion said. If there has not been a cleaning event, and through winter typically you don't get those, the dust build-up on the arrays could be pretty significant. So we don't know when we'll be getting enough power into the arrays to actually get the batteries charged up and get the computers back online. The dust reduces the efficiency of the craft's fixed solar arrays. Occasional gusts of wind blow dust off the solar panels, giving the rovers a jolt of electricity. But the fortuitous wind gusts aren't common in winter, and if Spirit's solar panels have collected more dust since March, the rover could face a master clock fault. If you stack worst case on top of worst case, there is one failure mode we could get into, in principle, Squyres said. We think it's unlikely, but it's possible. It's called a master clock fault. If we have a master clock fault, we probably wouldn't hear from the vehicle until the next time we had one of these cleaning events -- the gusts of wind that clean the solar arrays. Engineers believe Spirit is now in a low-power fault, in which the craft only powers its master clock to periodically check its power status until there is enough electricity to wake up and radio Earth or an orbiting satellite, according to NASA. There are two different levels of faults, Squyres said. One is low-power fault mode, which we know the brand. We know that we've tripped that, and we think if that's the fault mode that we're in, we will come out of it sometime probably in October, with big error bars. If the power has dipped lower than our projections say, which is possible if there was some big dust event, the next level of fault protection is the master clock fault. If that happens, it gets much harder to predict when we might hear from it again. McCuistion, NASA's top Mars official, said Spirit's sensitive electronics are being exposed to temperatures they have never seen before, even lower than worst-case testing conducted before the craft launched. It's an environment Spirit's never encountered before, McCuistion said. Some of this is crossing your fingers and some of it is good engineering guesses, but none of it is hard science because we just haven't experienced this before. If Spirit survives the winter, NASA is planning a series of geophysical science experiments probing the Red Planet's interior, monitoring weather and studying the composition of nearby soil. Studying the deep interior of Mars has long been a high priority for researchers, according to McCuistion. Spirit will be used to track tiny wobbles in the rotation of Mars, which could tell scientists whether the planet has a molten or solid core. NASA gave up on removing Spirit from its sandy trap in January
[meteorite-list] Aliens and UFOs ? Aliens Attacking Bosnian Man with Meteorites
Gee... Aliens,.. Send some my way, as I can no longer search for them. Moon rock, mars rocks, pallasites, any rare achondrites would be very much appreciated, even if they crash through my roof. (Extra cash that way as they could be sold with the hole, too. And it would keep my handyman employed, too.) Steve Schoner IMCA #4470 http://www.Petroslides.com Message: 10 Date: Mon, 19 Jul 2010 07:05:55 -0700 From: Bill Hall meteorit...@gmail.com Subject: [meteorite-list] Message: 10 Date: Mon, 19 Jul 2010 07:05:55 -0700 From: Bill Hall meteorit...@gmail.com Subject: [meteorite-list] Aliens and UFOs ? Aliens Attacking Bosnian Man with Meteorites To: meteorite-list@meteoritecentral.com Message-ID: aanlktikq9-ubaq5wqsmfhsiltzpnwugl8r5-t9l03...@mail.gmail.com Content-Type: text/plain; charset=ISO-8859-1 Not sure about this one.. Anyone heard of this meteorite attack? http://www.abovetopsecret.com/forum/thread595074/pg1 To: meteorite-list@meteoritecentral.com Message-ID: aanlktikq9-ubaq5wqsmfhsiltzpnwugl8r5-t9l03...@mail.gmail.com Content-Type: text/plain; charset=ISO-8859-1 Not sure about this one.. Anyone heard of this meteorite attack? http://www.abovetopsecret.com/forum/thread595074/pg1 SHOCKING: 13#34; Macbook Pro for $91.72! SPECIAL REPORT: Macbooks are being auctioned for an incredible 85% off! http://thirdpartyoffers.netzero.net/TGL3341/4c449cbce8b25349494st05duc __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Aliens and UFOs ? Aliens Attacking Bosnian
How does someone go about getting aliens mad at them? I'd like to really piss them off and expand my collection. LOL Jim K __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Aliens and UFOs ? Aliens Attacking Bosnian
Be careful what you wish for... Stephen Hawking says: Don't talk to aliens... http://www.google.com/search?hl=ensafe=offrlz=1C1AVSU_enUS359US362q=Stephen+Hawking+%2Baliensaq=faqi=aql=oq=gs_rfai= http://www.google.com/search?hl=ensafe=offrlz=1C1AVSU_enUS359US362q=Stephen+Hawking+%2Baliensaq=faqi=aql=oq=gs_rfai= If aliens exist, and they have the ability to travel through interstellar space, they surely won't be throwing meteorites at us. Our civilization is most probably extremely primitive compared to the alien technology it would require to actually travel to another planet. Nuclear weapons? LOL They could probably vaporize our planet just like the Emperor did in Star Wars! Eric On 7/19/2010 11:50 AM, meteorite...@comcast.net wrote: How does someone go about getting aliens mad at them? I'd like to really piss them off and expand my collection. LOL Jim K __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Several large, rare and/or museum quality specimens - AD
Nice I just hope I can grab one of these... On Sun, Jul 18, 2010 at 6:38 PM, Dave Gheesling d...@fallingrocks.com wrote: Hi List, I've just listed several specimens that I'm not using for educational outreach or exhibit purposes listed on eBay. The full list is here: http://shop.ebay.com/dbgbogey/m.html Several museum quality, rare and large specimens...all at low or no reserve. Thanks for giving them a look, and make it a great week! All the best, Dave Gheesling IMCA #5967 www.fallingrocks.com __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Ebay - wholesale lot of uNWA chondrites
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemitem=150469400727ssPageName=STRK:MESELX:IT --- Melanie IMCA: 2975 eBay: metmel2775 Known on SkyRock Cafe as SpaceCollector09 Unclassified meteorites are like a box of chocolates... you never know what you're gonna get! __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Aliens and UFOs ? Aliens Attacking Bosnian
LOL you had me laughing my ass off. I would take fragments from each specimen then them in for the collections of Greg Catterton, the Hupe's and other dealers, AND sell some. --- Melanie IMCA: 2975 eBay: metmel2775 Known on SkyRock Cafe as SpaceCollector09 Unclassified meteorites are like a box of chocolates... you never know what you're gonna get! - Original Message From: meteorite...@comcast.net meteorite...@comcast.net To: meteorite-list@meteoritecentral.com Sent: Mon, July 19, 2010 11:50:33 AM Subject: Re: [meteorite-list] Aliens and UFOs ? Aliens Attacking Bosnian How does someone go about getting aliens mad at them? I'd like to really piss them off and expand my collection. LOL Jim K __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Holbrook Happy 99
Hi All Had this notice from a history gadget on my iGoogle page today; 1912: A 400 lb meteorite explodes over the town of Holbrook, Arizona Not sure where the 400 lb came from but was really surprised to see mention of a meteorite. I plan to be there one year from now. Anyone else? Mike Mike Jensen Meteorites 16730 E Ada PL Aurora, CO 80017-3137 USA 303-337-4361 IMCA 4264 website: www.jensenmeteorites.com __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Holbrook Happy 99
Wow Mike. That's a cool idea. Is the town doing something in 2012 for the centenary? If not they might consider having a blowout. I guess I better make my reservations at the Wig Wam Village now! -- Richard Kowalski Full Moon Photography IMCA #1081 --- On Mon, 7/19/10, Mike Jensen meteoritepl...@gmail.com wrote: From: Mike Jensen meteoritepl...@gmail.com Subject: Re: [meteorite-list] Holbrook Happy 99 To: Meteorite List meteorite-list@meteoritecentral.com Date: Monday, July 19, 2010, 7:35 PM Hi All Had this notice from a history gadget on my iGoogle page today; 1912: A 400 lb meteorite explodes over the town of Holbrook, Arizona Not sure where the 400 lb came from but was really surprised to see mention of a meteorite. I plan to be there one year from now. Anyone else? Mike Mike Jensen Meteorites 16730 E Ada PL Aurora, CO 80017-3137 USA 303-337-4361 IMCA 4264 website: www.jensenmeteorites.com __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Holbrook Happy 99
Wow, how did that get past me!? 99 years - I've been dreaming of that area for some time... Have a happy Holbrook Day Mike everyone!! And oh yes, I think we need to plan a big hunt on the anniversary, but wasn't it 1912?? Not quite sure now... Happy hunting, Mark B. Vail, AZ - Original Message From: Mike Jensen meteoritepl...@gmail.com To: Meteorite List meteorite-list@meteoritecentral.com Sent: Mon, July 19, 2010 7:35:35 PM Subject: Re: [meteorite-list] Holbrook Happy 99 Hi All Had this notice from a history gadget on my iGoogle page today; 1912: A 400 lb meteorite explodes over the town of Holbrook, Arizona Not sure where the 400 lb came from but was really surprised to see mention of a meteorite. I plan to be there one year from now. Anyone else? Mike Mike Jensen Meteorites 16730 E Ada PL Aurora, CO 80017-3137 USA 303-337-4361 IMCA 4264 website: www.jensenmeteorites.com __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Acapulcoite/Lodranite Parent-body
Hi Jeff, Here is what McSween has to say about these two classes. Distinct in appearance but form a coherent group with continuously varying characteristics. They share simular mineralogies, both being composed largely of olivine and pyroxene, with minor plagioclase, iron-nickel metal, and troilite. They have similar oxygen isotopic composition, however they don't define a clear mass-fractionation line. He states that Tim McCoy and colleges shown that the acapuloite-lodranite achondites represent sesidues from varying degrees of partial melting of chondrites, ranging from less than 1% to as great as 25%. It is thought that the lodranite material formed deeper in the parent body, and rising melts generated from them passed through fractures in the overlying acapulites on the way to the surface. An age of 4.56 billion years has been determained for the Acapulco-lodranite parent body from percise lead isotop chronometer. Partial melting occured shortly after accretion. Spectra of acapulcoites are similar to those of ordinary chondrites and lodranites have spectra similar to a variety of S subtype asteroids, suggestions include S(III), S(IV), and S(V) depending on the amount of melt extracted. --AL Mitterling - Original Message - From: Jeff Kuyken i...@meteorites.com.au To: Meteorite List meteorite-list@meteoritecentral.com Sent: Monday, July 19, 2010 7:23 AM Subject: [meteorite-list] Acapulcoite/Lodranite Parent-body Hi all, Does anyone know enough about the Acapulcoite/Lodranite Parent-body to know what the main differences between the classifications are? Is it just the grain size or is there a composition difference etc too? Any paper references would be appreciated. Thanks, Jeff __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Acapulcoite/Lodranite Parent-body
Hi Jeff, Here is what McSween has to say about these two classes. Distinct in appearance but form a coherent group with continuously varying characteristics. They share simular mineralogies, both being composed largely of olivine and pyroxene, with minor plagioclase, iron-nickel metal, and troilite. They have similar oxygen isotopic composition, however they don't define a clear mass-fractionation line. He states that Tim McCoy and colleges shown that the acapuloite-lodranite achondites represent sesidues from varying degrees of partial melting of chondrites, ranging from less than 1% to as great as 25%. It is thought that the lodranite material formed deeper in the parent body, and rising melts generated from them passed through fractures in the overlying acapulites on the way to the surface. An age of 4.56 billion years has been determained for the Acapulco-lodranite parent body from percise lead isotop chronometer. Partial melting occured shortly after accretion. Spectra of acapulcoites are similar to those of ordinary chondrites and lodranites have spectra similar to a variety of S subtype asteroids, suggestions include S(III), S(IV), and S(V) depending on the amount of melt extracted. --AL Mitterling - Original Message - From: Jeff Kuyken To: Meteorite List Sent: Monday, July 19, 2010 7:23 AM Subject: [meteorite-list] Acapulcoite/Lodranite Parent-body Hi all, Does anyone know enough about the Acapulcoite/Lodranite Parent-body to know what the main differences between the classifications are? Is it just the grain size or is there a composition difference etc too? Any paper references would be appreciated. Thanks, Jeff __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Holbrook Happy 99
What would be cool is an iPhone App, or email alerts to be sent to your mobile on the anniversaries of famous witnessed meteorite falls! With 50,000+ classified meteorites in the Met-Bull database, there's bound to be enough witnessed falls for each day of the year! Now that would be cool. Talk about meteorite history! Eric On 7/19/2010 8:00 PM, Richard Kowalski wrote: Wow Mike. That's a cool idea. Is the town doing something in 2012 for the centenary? If not they might consider having a blowout. I guess I better make my reservations at the Wig Wam Village now! -- Richard Kowalski Full Moon Photography IMCA #1081 --- On Mon, 7/19/10, Mike Jensenmeteoritepl...@gmail.com wrote: From: Mike Jensenmeteoritepl...@gmail.com Subject: Re: [meteorite-list] Holbrook Happy 99 To: Meteorite Listmeteorite-list@meteoritecentral.com Date: Monday, July 19, 2010, 7:35 PM Hi All Had this notice from a history gadget on my iGoogle page today; 1912: A 400 lb meteorite explodes over the town of Holbrook, Arizona Not sure where the 400 lb came from but was really surprised to see mention of a meteorite. I plan to be there one year from now. Anyone else? Mike Mike Jensen Meteorites 16730 E Ada PL Aurora, CO 80017-3137 USA 303-337-4361 IMCA 4264 website: www.jensenmeteorites.com __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Holbrook Happy 99
Mike, can you set it up with custom dates and alerts? Never used it before... Eric On 7/19/2010 7:35 PM, Mike Jensen wrote: Hi All Had this notice from a history gadget on my iGoogle page today; 1912: A 400 lb meteorite explodes over the town of Holbrook, Arizona Not sure where the 400 lb came from but was really surprised to see mention of a meteorite. I plan to be there one year from now. Anyone else? Mike Mike Jensen Meteorites 16730 E Ada PL Aurora, CO 80017-3137 USA 303-337-4361 IMCA 4264 website: www.jensenmeteorites.com __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Smithsonian Magazine
Hello, Do anyone of you read Smithsonian Magazine? Did you take a good look at the latest issue? You might have found there someone we know: Rik Hill, in an article about asteroids, and the Catalina Sky Survey. And of course Richard Almahata Sitta Kowelski is mentioned too And so is his rock! If you don't susbcribe to the Smithsonian, go to their website. Yes, they are there too! _http://www.smithsonianmag.com/specialsections/40th-anniversary/Saving-the-W orld-From-Asteroids.html_ (http://www.smithsonianmag.com/specialsections/40th-anniversary/Saving-the-World-From-Asteroids.html) Congratulations to both of them. Anne M. Black http://www.impactika.com/ impact...@aol.com Vice-President, I.M.C.A. Inc. http://www.imca.cc/ __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Holbrook Happy 99
Eric, No need for IPhone app, or ..whatever. The information is already available. There is a Calendar of Falls right on my site: _http://www.impactika.com/birthday.htm_ (http://www.impactika.com/birthday.htm) You can also find it every month on Meteorite-Times. Sorry, I beat you to it a long time ago. Anne M. Black _http://www.impactika.com/_ (http://www.impactika.com/) _impact...@aol.com_ (mailto:impact...@aol.com) Vice-President, I.M.C.A. Inc. _http://www.imca.cc/_ (http://www.imca.cc/) In a message dated 7/19/2010 9:44:53 PM Mountain Daylight Time, e...@meteoritesusa.com writes: What would be cool is an iPhone App, or email alerts to be sent to your mobile on the anniversaries of famous witnessed meteorite falls! With 50,000+ classified meteorites in the Met-Bull database, there's bound to be enough witnessed falls for each day of the year! Now that would be cool. Talk about meteorite history! Eric On 7/19/2010 8:00 PM, Richard Kowalski wrote: Wow Mike. That's a cool idea. Is the town doing something in 2012 for the centenary? If not they might consider having a blowout. I guess I better make my reservations at the Wig Wam Village now! -- Richard Kowalski __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Acapulcoite/Lodranite Parent-body
Hello Jeff, There is a great deal of literature online that addresses this topic -- in addition to the McCoy research. The general consensus is that the Acapulcoite/Lodranite parent body was heterogeneously metamorphosed (impact-melted or partially-differentiated, depending on which paper you read) and was then largely broken up by an impact(s) nearly 4.6 billion years ago. Lodranites and Acapulcoites have been differentiated in the past almost solely based on structural observations/grain size. The trouble is that the cutoff between the two has traditionally been determined by grain size and is not clearly defined - check out the discussion section of this paper (also in the list of sources below) for a good summary: http://www.lpi.usra.edu/meetings/LPSC98/pdf/1237.pdf Here's the meat of it: Acapulcoites experienced only low degrees of Fe,Ni- FeS cotectic melting and have maintained essentially chondritic troilite and plagioclase abundances, whereas lodranites experienced higher degrees of melting that included partial silicate melting with subsequent loss of troilite and/or plagioclase fractions. If you keep reading through the discussion, you'll find that the authors call at least a few of McCoy's analyses into question because they haven't been as mineralogically metamorphosed as their large grain size would seemingly suggest. In other words, they're large-grained acapulcoites. Or maybe they're transitional. It just depends on how you want to break things up. It's another example of how meteoritics is still a science begging for a better classification system. Do we use the degree of metamorphosis or grain size to determine the class? Who knows... Here are some related docs about the classes and parent body - the first one [ending with 1237.pdf] was the one I noted above: http://www.lpi.usra.edu/meetings/LPSC98/pdf/1237.pdf http://www.lpi.usra.edu/meetings/metsoc97/pdf/5200.pdf http://aaa.wustl.edu/Work/pub_files/acapulcoite_lodranite.html http://www.sciencedirect.com/science?_ob=ArticleURL_udi=B6V66-3SVR613-1M_user=10_coverDate=02%2F28%2F1997_rdoc=1_fmt=high_orig=search_sort=d_docanchor=view=c_acct=C50221_version=1_urlVersion=0_userid=10md5=eaea4c9e7fbd30d2ba053bedb0883412 http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20060024503_2006090520.pdf http://adsabs.harvard.edu/abs/2009M%26PS...44.1151C http://cat.inist.fr/?aModele=afficheNcpsidt=16823360 http://www.sciencedirect.com/science?_ob=ArticleURL_udi=B6WGF-45FCNK6-5_user=10_coverDate=11%2F30%2F2000_rdoc=1_fmt=high_orig=search_sort=d_docanchor=view=c_acct=C50221_version=1_urlVersion=0_userid=10md5=7f6c0ded981b140af26e95baafd2d055 http://www4.nau.edu/meteorite/Meteorite/Book-PrimitiveAchond.html Regards, Jason Utas On Mon, Jul 19, 2010 at 8:15 PM, al mitt alm...@kconline.com wrote: Hi Jeff, Here is what McSween has to say about these two classes. Distinct in appearance but form a coherent group with continuously varying characteristics. They share simular mineralogies, both being composed largely of olivine and pyroxene, with minor plagioclase, iron-nickel metal, and troilite. They have similar oxygen isotopic composition, however they don't define a clear mass-fractionation line. He states that Tim McCoy and colleges shown that the acapuloite-lodranite achondites represent sesidues from varying degrees of partial melting of chondrites, ranging from less than 1% to as great as 25%. It is thought that the lodranite material formed deeper in the parent body, and rising melts generated from them passed through fractures in the overlying acapulites on the way to the surface. An age of 4.56 billion years has been determained for the Acapulco-lodranite parent body from percise lead isotop chronometer. Partial melting occured shortly after accretion. Spectra of acapulcoites are similar to those of ordinary chondrites and lodranites have spectra similar to a variety of S subtype asteroids, suggestions include S(III), S(IV), and S(V) depending on the amount of melt extracted. --AL Mitterling - Original Message - From: Jeff Kuyken To: Meteorite List Sent: Monday, July 19, 2010 7:23 AM Subject: [meteorite-list] Acapulcoite/Lodranite Parent-body Hi all, Does anyone know enough about the Acapulcoite/Lodranite Parent-body to know what the main differences between the classifications are? Is it just the grain size or is there a composition difference etc too? Any paper references would be appreciated. Thanks, Jeff __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com
Re: [meteorite-list] Several large, rare and/or museum quality specimens - AD
I'm bidding these up like crazywhere are these reserves???...;) On Sun, Jul 18, 2010 at 6:38 PM, Dave Gheesling d...@fallingrocks.com wrote: Hi List, I've just listed several specimens that I'm not using for educational outreach or exhibit purposes listed on eBay. The full list is here: http://shop.ebay.com/dbgbogey/m.html Several museum quality, rare and large specimens...all at low or no reserve. Thanks for giving them a look, and make it a great week! All the best, Dave Gheesling IMCA #5967 www.fallingrocks.com __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Holbrook Happy 99
Hi Anne, List, ;) Yes I know... That's what kind of what I'm referring too. Nice Work by the way! You've got some great meteorites on your calendar, but it's Online. Some people don't have internet on their phones however, they can get text alerts. Email alerts would be possible with those who have internet capable phones. Having an alert setup via Google or another online service that sends out those alerts on each anniversary of all the famous witnessed falls would be very cool. Regards, Eric On 7/19/2010 8:52 PM, impact...@aol.com wrote: Eric, No need for IPhone app, or ..whatever. The information is already available. There is a Calendar of Falls right on my site: _http://www.impactika.com/birthday.htm_ (http://www.impactika.com/birthday.htm) You can also find it every month on Meteorite-Times. Sorry, I beat you to it a long time ago. Anne M. Black _http://www.impactika.com/_ (http://www.impactika.com/) _impact...@aol.com_ (mailto:impact...@aol.com) Vice-President, I.M.C.A. Inc. _http://www.imca.cc/_ (http://www.imca.cc/) In a message dated 7/19/2010 9:44:53 PM Mountain Daylight Time, e...@meteoritesusa.com writes: What would be cool is an iPhone App, or email alerts to be sent to your mobile on the anniversaries of famous witnessed meteorite falls! With 50,000+ classified meteorites in the Met-Bull database, there's bound to be enough witnessed falls for each day of the year! Now that would be cool. Talk about meteorite history! Eric On 7/19/2010 8:00 PM, Richard Kowalski wrote: Wow Mike. That's a cool idea. Is the town doing something in 2012 for the centenary? If not they might consider having a blowout. I guess I better make my reservations at the Wig Wam Village now! -- Richard Kowalski __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Very neat crystal formations in Angrite slice
Hi to all, hope everyone is doing well. Check out this Angrite slice, look close at the melted looking crystal in the upper center of the photo and also the crystal formation on the right. Very cool stuff... http://i27.photobucket.com/albums/c165/jedisdiamond/Angrite_2-1.jpg (Slice not for sale, on deposit at Appalachian State University) Greg Catterton www.wanderingstarmeteorites.com IMCA member 4682 On Ebay: http://stores.shop.ebay.com/wanderingstarmeteorites On Facebook: http://www.facebook.com/WanderingStarMeteorites __ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
