[meteorite-list] NWA 5400: Earth-Related Meteorite
From: Stuart McDaniel - Action Shooting Supply <actionshooting_at_meteoritecentral.com>
Date: Wed, 9 Jun 2010 21:12:56 -0400 Message-ID: <B872F7DF91684819BB34E3E3B5689542_at_toshibauser> I'm in for a piece. This is truly exciting!! Stuart McDaniel Lawndale, NC Secr., CCAS ----- Original Message ----- From: "Richard Kowalski" <damoclid at yahoo.com> To: <meteorite-list at meteoritecentral.com> Sent: Tuesday, June 08, 2010 11:23 PM Subject: Re: [meteorite-list] NWA 5400: Earth-Related Meteorite > In my opinion, this is by far one of the most, if not the most important > meteorite in the field of meteoritics! Imagine, a meteorite that could > very well be a remnant of the object that impacted the proto-Earth and > causing the formation of the moon, or possibly a remnant of that very > impact. Either way there no doubt that this material is highly some > amazing stuff! > > I can't see any meteorite research facility or collector for that matter, > that wouldn't want some of this meteorite in their collection, even if it > is just a single milligram!!! > > Congrats Greg! > > Awesome! > > -- > Richard Kowalski > Full Moon Photography > IMCA #1081 > > > --- On Tue, 6/8/10, Greg Hupe <gmhupe at htn.net> wrote: > >> From: Greg Hupe <gmhupe at htn.net> >> Subject: [meteorite-list] NWA 5400: Earth-Related Meteorite >> To: meteorite-list at meteoritecentral.com >> Date: Tuesday, June 8, 2010, 4:31 PM >> Dear List Members, >> >> I would like to announce an important new meteorite that >> has been under intense analysis over the last two years by a >> select group of scientists from around the world... >> >> NWA 5400: Earth-Related Ungrouped Meteorite >> >> >> Northwest Africa 5400 may be a sample from a large asteroid >> or dwarf planet, which accreted in the early solar nebula in >> the vicinity of proto-Earth or Theia. NWA 5400 has oxygen >> isotope ratios indistinguishable from those of rocks from >> the Earth and the Moon, which plot on the TFL (Terrestrial >> Fractionation Line). A precise formation age has not yet >> been measured, but it cannot be older than 4.54 billion >> years, which likely makes NWA 5400 anomalously young among >> primitive achondritic objects from the early Solar System. >> It is generally accepted that the Earth-Moon system was >> created when Theia collided with proto-Earth about 4.3 >> billion years ago. Is it possible that NWA 5400 is somehow >> related to this phenomenal event? >> >> >> >> NWA 5400 adds valuable understanding of events that took >> place in the early evolution period of the Solar System. >> After two years of intense analysis, scientists at prominent >> institutions from around the world continue to diligently >> study this 'stand-alone' meteorite, which will add to the >> already incredible information NWA 5400 has to offer. >> >> >> >> Link to 2009 LPSC abstract on NWA 5400: >> >> http://www.lpi.usra.edu/meetings/lpsc2009/pdf/2332.pdf >> >> >> >> Link to 2010 LPSC abstract on NWA 5400: >> >> http://www.lpi.usra.edu/meetings/lpsc2010/pdf/1492.pdf >> >> >> >> NWA 5400 has a Total Known Weight of 4.818 kg in a single >> stone that was discovered in Northwest Africa in 2008. The >> chocolate-brown mottled matrix takes an extremely nice >> polish, which reveals the dazzling olivine crystals >> exhibited in this scientifically important new meteorite! >> >> >> >> Cross-polarized light optical thin section image of NWA >> 5400 (width of field = 1.2mm): >> >> http://www.lunarrock.com/NWA5400/nwa5400xpl.jpg >> >> >> >> Image of 58.9-gram complete slice with hologram-like >> olivine crystals that dance across the polished surface when >> tilted from side to side: >> >> http://www.lunarrock.com/NWA5400/nwa5400slice.jpg >> >> >> Best regards, >> Greg >> >> ==================== >> Greg Hupe >> The Hupe Collection >> NaturesVault (eBay) >> gmhupe at htn.net >> www.LunarRock.com >> IMCA 3163 >> ==================== >> Click here for my current eBay auctions: >> http://search.ebay.com/_W0QQsassZnaturesvault >> >> ______________________________________________ >> Visit the Archives at >> http://www.meteoritecentral.com/mailing-list-archives.html >> Meteorite-list mailing list >> Meteorite-list at 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 at meteoritecentral.com > http://six.pairlist.net/mailman/listinfo/meteorite-list > Received on Wed 09 Jun 2010 09:12:56 PM PDT |
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