[meteorite-list] Stan's NWA 2965 EL6/7 (or Aubrite) Meteorite

[M come Meteorite Meteorites]

I doubt many this material is a aubrite seen I have
the same material in analysis and for the moment any
classification of Aubrite...a first piece I have buy
years ago and the analysis have confirm a EL6
enstatite

Matteo

--- MexicoDoug <MexicoDoug at aim.com> ha scritto:

> Mark,
> 
> There is no lack of terminology.  Yours is an
> interesting point if you 
> consider it an achondrite, rather than some
> intermediate, and don't want to 
> get into semantic issues with a nomenclature
> work-in-progress.  David Weir 
> calls them "Distinct recrystallized oval
> inclusions".  He also suggests the 
> name "chondrule ghost".  You can find more
> information and another photo on 
> the meteoritestudies.com website, which I will
> mention a bit of here:
> 
> See:
>
http://www.lpi.usra.edu/meetings/lpsc2005/pdf/1913.pdf
> The referenced article from the University of
> Arizona Laboratory (on 
> potentially paired NWA 2736) calls them "oval
> inclusions", allowing the 
> possibly they could be "relict chondrules" in a
> "metamorphosed chondrite". 
> Thus, it sounds to me like some scientists don't
> feel the classification is 
> cast in stone any more than the ghosts.  So that
> would leave it to personal 
> preference since the term you choose can reflect
> competing hypotheses of 
> formation for the weathered meteorite.
> 
> If the thrust of your email is to reduce it to a one
> word label we can all 
> agree upon and won't be too nerdish, and/or don't
> want to call them any kind 
> of chondrule because it doesn't fit neatly, I would
> think in casual 
> conversation we could just call them "ovals"as an
> obvious abbreviation for 
> "oval inclusion".
> 
> I think one of David's terms, "ghost chondrules"
> works best for me since 
> some people believe in ghosts and others think they
> are bogus.  Another 
> option for those with a sense of humor could be
> "DROIDS" = distinct 
> recrystallized oval inclusion dohickies":-)
> 
> Best wishes, Doug
> 
> 
> ----- Original Message ----- 
> From: "MARK BOSTICK" <thebigcollector at msn.com>
> To: <meteorite-list at meteoritecentral.com>
> Sent: Friday, December 01, 2006 6:44 AM
> Subject: [meteorite-list] Stan's NWA 2965 EL6/7 (or
> Aubrite) Meteorite
> 
> 
> > Hello all,
> >
> > I received today a couple specimens of Stan's NWA
> 2965. This has been a
> > somewhat controversal meteorite on the list, so
> forgive me for going 
> > around
> > the controversy a little and showing some
> photographs of the meteorite. If
> > anyone is interested in photographs of a higher
> res, drop me an e-mail.
> >
> > http://www.meteoritearticles.com/colnwa2965.html
> >
> > If I can start a different controversy around the
> meteorite....using the
> > term chondrules with achondrites does not seem
> right to me.  Not because
> > achondrite means without chondrules, but because
> the round inclusions in
> > achondrites have different origins.  However, I
> like everyone else (?), 
> > lack
> > a better term.  Maybe the IAU can work on this
> next....:^)
> >
> > Clear Skies,
> > Mark Bostick
> > Wichita, Kansas
> > www.meteoritearticles.com
> > www.kansasmeteorites.com
> > www.imca.cc
> >
> >
> > ______________________________________________
> > Meteorite-list mailing list
> > Meteorite-list at meteoritecentral.com
> >
>
http://six.pairlist.net/mailman/listinfo/meteorite-list
> > 
> 
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> 


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