[meteorite-list] Impact Melt meteorites

From: tett <tett_at_meteoritecentral.com>
Date: Thu Apr 22 09:47:13 2004
Message-ID: <3BFED766.EC409373_at_bmts.com>

Sorry for that poor sentence. Need to proof before sending.

When will the grammar checker come to fruition?

tett

tett wrote:

> Bernd,
>
> Your list should also included that most beautiful Canadian meteorites, Abee. Classified as an EH Impact melt breccia in the 2000 catalogue of
> meteorites.
>
> Cheers,
>
> Mike Tettenborn
>
> Bernd Pauli HD wrote:
>
> > Michel Franco a écrit:
> >
> > > ... was wondering if there are 2 main classes of impact
> > > melt meteorites, as one could think Impact melt m. of
> > > achondritic origin and impact melt m. of chondritic
> > > parent body.
> >
> > Bonsoir Michel, hello List,
> >
> > Here is a database survey of 12 Non-Antarctic meteorites that
> > are classified as impact melt meteorites. Some new ones may
> > still be missing from this list as I am not "on track" with my
> > update chores :-(
> >
> > Best wishes,
> >
> > Bernd
> >
> > Calcalong Creek - LUN - impact melt breccia;
> > Cat Mountain - L5 - impact melt breccia; vesicles;
> > Chico - L6 - impact melt breccia; copper; S6;
> > Dar al Gani 241 - imb - impact melt breccia
> > Dar al Gani 242 - imb - impact melt breccia
> > Dhofar 025 - LUN - anorthositic impact melt regolith breccia;
> > Happy Canyon - EL6 - EL6/7 (S2); impact melt breccia(?); vesicles;
> > Madrid - L6 - veined; impact melt breccia
> > Norton County - AUB - fragmental breccia;
> > clastic matrix (igneous and impact melt)
> > Roosevelt County 085 - L4 - RC,S4; W2; impact melt
> > Sahara 00215 - L - W3/4; impact melt breccia;
> > Shaw - L6 - Dodd: L7; complex impact melt breccia;
> >
> > US-Antarctica:
> >
> > ALHA81011 - eucritic impact melt breccia
> >
> > EET 99443: "The section exhibits isolated pyroxene and plagioclase
> > grains up to 0.5 mm. The section contains one part in which the
> > groundmass is finely comminuted pyroxene and plagioclase grains,
> > while the groundmass in the other is a fine-grained, lath-like
> > structure suggestive of an i m p a c t m e l t . The meteorite
> > is a howardite (AMN 24-1, Feb 2001, p. 11).
> >
> > MET 00427: "The section shows ...a single millimeter-sized
> > i m p a c t m e l t spherule. The meteorite is a howardite
> > (AMN 24-2, September 2001, p. 19).
> >
> > QUE 99059 is almost certainly paired with the trio QUE 94204/
> > 97348/97289, ... These meteorites are unusual aubrites or
> > enstatite chondrite impact melt rocks (AMN 24-1, Feb 2001, p. 13).
> >
> > References:
> >
> > METZLER K. et al. (1994) ALHA81011 - A eucritic impact melt
> > breccia formed 350 m.y. ago (abs. Meteoritics 29, 1994, 502-503).
> >
> > METZLER K. et al. (1995) Impact melt rocks and granulites
> > from the HED asteroid (abs. Meteoritics 30, 1995, 547).
> >
> > Show your support at the Red Cross Disaster Relief Fund - http://s1.amazon.com/exec/varzea/ts/my-pay-page/PKAXFNQH7EKCX/058-5084202-7156648
> > _______________________________________________
> > Meteorite-list mailing list
> > Meteorite-list_at_meteoritecentral.com
> > http://www.pairlist.net/mailman/listinfo/meteorite-list
>
> Show your support at the Red Cross Disaster Relief Fund - http://s1.amazon.com/exec/varzea/ts/my-pay-page/PKAXFNQH7EKCX/058-5084202-7156648
> _______________________________________________
> Meteorite-list mailing list
> Meteorite-list_at_meteoritecentral.com
> http://www.pairlist.net/mailman/listinfo/meteorite-list
Received on Fri 23 Nov 2001 06:10:30 PM PST