[meteorite-list] CH Group Metal Content

From: Eric Twelker <twelker_at_meteoritecentral.com>
Date: Thu Apr 22 09:42:01 2004
Message-ID: <B68D0F5A.877F%twelker_at_alaska.net>

Hello Bernd et al.

Re your last point: Make that a quintet with Gujba.

    Regards,

    Eric Twelker
    twelker_at_alaska.net
    http://www.meteoritemarket.com

> From: Bernd Pauli HD <bernd.pauli_at_lehrer1.rz.uni-karlsruhe.de>
> Date: Thu, 18 Jan 2001 10:30:59 +0100
> To: Rhett Bourland <rbourlan_at_evansville.net>
> Cc: Dave Schultz <dscp_at_home.com>, meteorite-list@meteoritecentral.com
> Subject: [meteorite-list] CH Group Metal Content
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> Rhett Bourland wrote:
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>> One more that everyone seems to be fogetting is the CH group.
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> Hi Rhett and List,
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> That's right. They are easily forgotten as they are so very exotic and
> there are only a few of them! Presently I only have 6 CH chondrites
> in my US Antarctic database, and another three from the Hot Deserts
> (all of them A=E7fers).
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>> I'm pretty sure that the H stands for high metal
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> Correct. PAT 91546, for example, has a considerable amount of
> nickel-iron (about 25%). On the other hand, they only display very
> small "mini-chondrules", so, perhaps, there is a relationship between
> metal content and chondrule size shedding light on formation processes
> and whereabouts in the early solar system (cp. Ron's recent post about
> chondrules taken from the Sky & Telescope news bulletin).
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>> Type specimen for that one would be Bencubbin.
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> Bencubbin has been assigned to a new group(-let):
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> WEISBERG M.K. et al. (1998) The Bencubbinite (B)
> group of the CR clan (Meteoritics 33-4, 1998, A166):
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> The new bencubbinite (B) group is a quartet of metal-silicate chondritic
> meteorites that are members of the CR clan. The quartet consists of
> Bencubbin, Weatherford, Hammadah al Hamra 237 and GRO 95551.
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> Best wishes,
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> Bernd
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Received on Fri 19 Jan 2001 01:24:02 AM PST