[meteorite-list] Tagish Lake - asteroidal or cometary?

From: Walter Branch <branchw_at_meteoritecentral.com>
Date: Fri Jan 7 17:15:00 2005
Message-ID: <008401c4f506$5543eba0$6a01a8c0_at_DrCollman>

Hi Bernd,

Thanks for the MAPS reference. I would have liked to have had MAPS
delivered to my door as a member of the meteoritical society but in spite of
having sent my dues in July 2003 and subsequent emails to the treasurer, I
still have not received a single issue from the publusher. I eventually
just gave up.

Anyone else have this problem, or am I the only one?

-Walter
-----------------------------------------------------
----- Original Message -----
From: <bernd.pauli_at_paulinet.de>
To: <Meteorite-list_at_meteoritecentral.com>
Sent: Friday, January 07, 2005 2:55 PM
Subject: [meteorite-list] Tagish Lake - asteroidal or cometary?


> Hello Walter and List,
>
> Thursday, January 06, 2005, Walter wrote
>
> > Speaking of Tagish Lake, is it of asteroidal or cometary origin?
>
>
> KMINEK G. et al. (2002) Amino acids in the Tagish
> Lake meteorite (MAPS 37-5, 2002 May, pp. 697-701):
>
> pp. 700-701: "The low amino acid abundance of Tagish Lake relative to CM
> and CI carbonaceous chondrites indicate that the chemical precursors for
> the synthesis of amino acids may have been absent on the Tagish Lake
parent
> body. Based on this reasoning, C- and G-type asteroids as well as comets
can
> probably be excluded as possible parent bodies for the Tagish Lake
meteorite.
> Spectroscopic and dynamical evidence suggests that the Tagish Lake
meteorite
> originated from a parent body in the outer region of the main asteroid
belt,
> which is dominated by P- and D-type asteroids. If the Tagish Lake
meteorite
> is a representative sample of a P- or D-type asteroid, then these objects
> apparently do not contain as rich a mixture of organic compounds as
previously
> thought."
>
>
> Best wishes,
>
> Bernd
>
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Received on Fri 07 Jan 2005 05:15:01 PM PST