Spallation might be a specific way that the fusion crust could be removed
(such as by tumbling in a stream), but it isn't very general. I'd use the
same term that geologists use for any sort of surface modified by natural
forces: weathering. If there's something unusual about the mechanism, you
can always add more detail, such as "the fusion crust has been selectively
chipped from its substrate by weathering processes".
For a meteorite that no longer has a fusion crust, I think the clearest
description would be "shows no remaining fusion crust".
Chris
*****************************************
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com
----- Original Message -----
From: "Michael Murray" <[email protected]>
To: <[email protected]>
Sent: Friday, September 11, 2009 11:04 AM
Subject: [meteorite-list] searching for the correct terminology
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'?
Mike in CO
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