There were a number of presentations about this fall at the Meteoroids 2010
conference last week. The bottom line is that it has not been definitively
established that the different stone types didn't come from different falls,
but that the overall evidence from cosmic ray analysis and weathering
(little to none) very strongly suggests that all the stones came from a
single, brecciated parent body (TC3). I didn't hear anybody suggest this was
certain, but it was largely accepted as true. There remains some interest in
searching outside the strewn field to establish a control on the matter.
Chris
*****************************************
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com
----- Original Message -----
From: "Galactic Stone & Ironworks" <[email protected]>
To: <[email protected]>
Cc: <[email protected]>
Sent: Friday, May 28, 2010 7:49 AM
Subject: Re: [meteorite-list] NEWS: Almahata Sitta meteorite
Hi List,
I have always wondered about the multiple lithologies of this fall.
Is it possible that the multiple lithologies represent more than one
meteorite find? Did the Almahata Sitta ureilite fall into an existing
strewnfield and all of the meteorites got mixed during the recovery?
Has anyone tested the various lithologies to see if they are in fact
related?
Best regards,
MikeG
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