[meteorite-list] xenolithic breccia's?

From: Walter Branch <branchw_at_meteoritecentral.com>
Date: Sun Jul 10 22:15:25 2005
Message-ID: <001d01c585bd$a4d71780$6101a8c0_at_launchmodem.com>

Hi Norm,

Right. I thought polymict breccias conisted of
samples from different rocks cemented together
(i.e., external sources).

-Walter
---------------------------------------------
----- Original Message -----
From: "Norm Lehrman" <nlehrman_at_nvbell.net>
To: "Walter Branch" <branchw_at_bellsouth.net>; "met list"
<meteorite-list_at_meteoritecentral.com>
Sent: Sunday, July 10, 2005 10:04 PM
Subject: Re: [meteorite-list] xenolithic breccia's?


> All,
>
> Maybe someone can elucidate on the terms specifically
> as they are used in meteorites, but in geology
> "polymict" implies varied clast composition ("poly" =
> many), while "xenolith" (= foreign rock), implies
> clasts from an external source.
>
> Cheers,
> Norm
> (http://tektitesource.com)
>
> --- Walter Branch <branchw_at_bellsouth.net> wrote:
>
> > What is the difference between a polymict breccia
> > and xenolithic breccia?
> >
> > -Walter Branch
> >
> >
> > ---------------------------------------------
> > ----- Original Message -----
> > From: "Darren Garrison" <cynapse_at_charter.net>
> > To: "met list" <meteorite-list_at_meteoritecentral.com>
> > Sent: Sunday, July 10, 2005 9:06 PM
> > Subject: Re: [meteorite-list] xenolithic breccia's?
> >
> >
> > On Sun, 10 Jul 2005 17:28:34 -0700, "Tom Knudson"
> > <peregrineflier_at_npgcable.com> wrote:
> >
> > >Hello good people of the list!!! Sure is slow
> > today!!! So, what is a
> > >xenolithic breccia? What meteorites are considered
> > a xenolithic breccia?
> >
> > http://en.wikipedia.org/wiki/Xenolith
> >
> > http://en.wikipedia.org/wiki/Breccia
> >
> >
> > >On Google, I only find Ghubara, but that can't be
> > the only one.
> >
> > One of my favorites was just mentioned a few days
> > back-- NWA 3119
> >
> > http://www.meteorites.com.au/features/nwa3119.html
> >
> > and my much more modest piece
> >
> >
> http://webpages.charter.net/garrison6328/nwa3119_both.jpg
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Received on Sun 10 Jul 2005 10:09:06 PM PDT