[meteorite-list] Lodranite vs ACAP

From: bernd.pauli at paulinet.de <bernd.pauli_at_meteoritecentral.com>
Date: 26 Oct 2007 18:00:12 UT
Message-ID: <DIIE.000000C2000021BC_at_paulinet.de>

Hello Greg and List,

"Not trying to put a damper on the flowing champagne, but I am hearing
conflicting thoughts from different scientists regarding the "rules" of
whether a meteorite should be classified as an ACAP or a Lodranite.
I know it is grain size, but this is where I am hearing different references."

But: It is not only grain size! ... and that's why this excerpt
from an article in MAPS may be of interest in this context:

TERRIBILINI D. et al. (2000) Evidence for common breakup events of the
acapulcoites-lodranites and chondrites (MAPS 35-5, 2000, pp. 1043-1050).

"GRA 95209 . is considered a lodranite based on petrography (McCoy and
Carlson, 1998), but Mittlefehldt and Lindstrom (1998) find that the bulk-rock
composition is more similar to acapulcoites and quite different from that of
lodranites. Thus, a clear-cut classification is difficult."

Best wishes,

Bernd

To: gmhupe at htn.net
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Received on Fri 26 Oct 2007 02:00:12 PM PDT