[meteorite-list] NWA 5400: Earth-Related Meteorite

From: Richard Kowalski <*damoclid_at_meteoritecentral.com*> Date: Wed, 9 Jun 2010 20:34:29 -0700 (PDT) Message-ID: <418342.65036.qm_at_web113615.mail.gq1.yahoo.com> · damoclid_at_meteoritecentral.com

--
Richard Kowalski
Full Moon Photography
IMCA #1081
--- On Wed, 6/9/10, Stuart McDaniel - Action Shooting Supply <actionshooting at carolina.rr.com> wrote:
> From: Stuart McDaniel - Action Shooting Supply <actionshooting at carolina.rr.com>
> Subject: Re: [meteorite-list] NWA 5400: Earth-Related Meteorite
> To: "Greg Hupe" <gmhupe at htn.net>, meteorite-list at meteoritecentral.com
> Date: Wednesday, June 9, 2010, 5:30 PM
> So this could be a piece of Earth
> before Earth was Earth??
> 
> 
> Stuart McDaniel
> Lawndale, NC
> Secr., CCAS
> ----- Original Message ----- From: "Greg Hupe" <gmhupe at htn.net>
> To: <meteorite-list at meteoritecentral.com>
> Sent: Tuesday, June 08, 2010 7:31 PM
> Subject: [meteorite-list] NWA 5400: Earth-Related
> Meteorite
> 
> 
> > 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
>