[meteorite-list] Biggest Meteorites by Type

From: cdtucson at cox.net <cdtucson_at_meteoritecentral.com>
Date: Wed, 9 Jun 2010 16:47:35 -0400
Message-ID: <20100609164735.H8RZD.699246.imail_at_fed1rmwml41>

Almost the only one with water-bearing minerals. Unless you count water itself.

http://www.foxnews.com/story/0,2933,380148,00.html

This article was posted previously on this list and was believed by many to lead to a new way of looking at the moon. Someone suggested that this would cause the need to rewrite the books on the Moon but not much on this as of yet.

--
Carl or Debbie Esparza
Meteoritemax
---- bernd.pauli at paulinet.de wrote: 
> Jason wrote:
> 
> "...the Bench Crater meteorite, an "Ungrouped C1," weighed less than
> 0.6 g, though I haven't been able to find a weight for it anywhere online.
> 
> Hello Jason and List,
> 
> "The Bench Crater meteorite was found during a study of rock fragments in
> Apollo 12 soil (the "coarse fines" fraction). It is known only as a single frag-
> ment 3mm x 1.5 mm in a thin section of rock fragments. The fragment was
> recognized as weird in 1971, but not described until 1976. Bench Crater
> resembles a pyrrhotite-rich CM1 clast in the Kaidun breccia - it has the
> chemical composition of a CM2 meteorite, but with hydrous silicates
> (clays and serpentine) replacing the olivine, pyroxene etc. Bench crater
> is the only rock from on the moon that contains water-bearing minerals".
> (Allan H. Treiman).
> 
> 
> Best wishes,
> 
> Bernd
> 
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Received on Wed 09 Jun 2010 04:47:35 PM PDT