[meteorite-list] searching for the correct terminology

From: Mexicodoug <mexicodoug_at_meteoritecentral.com>
Date: Fri, 11 Sep 2009 14:14:40 -0400
Message-ID: <8CC0122DD169EA2-1668-BFDD_at_webmail-d026.sysops.aol.com>

Hi Mike Darren, Svend, Bernd, List,

Great question and answers. Still seems a little strong of a term for a
flaky Tatahouine, do you think?

What about a term encompassing the emotion of finding a completely
ripped meteorite?

"Oh! Shucks!",
Doug
PS ... denuded matrix would sound perfect to me, or stripped meteorite
....
(the universe is our oyster)


-----Original Message-----
From: bernd.pauli at paulinet.de
To: Meteorite-list at meteoritecentral.com
Sent: Fri, Sep 11, 2009 12:22 pm
Subject: Re: [meteorite-list] searching for the correct terminology



Mike in CO writes:

"You will probably think I am a bit off the latch with this question
but here goes anyway... In the world of meteorite terminology, is
there a term or word which describes the loss of fusion crust (by
forces of nature) from stony meteorites. 'Spalling' possibly? The
loss of crust, part or all, seems to be a rather common occurrence
especially for some of the more friable stonys. With the crust gone,
the stone is 'denuded'?"

Hi Mike and List, here are some examples:

ALHA77294 (H5):

Polygonally fractured, dull, brownish black fusion crust, approximately
1 mm
thick,
covers all surfaces of this meteorite (~13.5 x 9.0 x 6.0 cm), with the
exception
of the
edges, which appear to have been s p a l l e d.

ALHA78040 (AEUC):

The crust has been removed from the edges by s p a l l a t i o n and has
been preferentially weathered away on the surfaces in small circular
areas.

ALHA78132 (AEUC):

The crust has been s p a l l e d or chipped in some areas ...

ALHA79022 (L3.7-4):

The areas devoid of fusion crust appear to have been s p a l l e d
off or preferentially plucked off because they occur along ridges.

Bagdad (IIIAB):

Most of the fusion crust has s p a l l e d off due to terrestrial
corrosion
(Buchwald)...


Best wishes,

Bernd

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Received on Fri 11 Sep 2009 02:14:40 PM PDT