[meteorite-list] Haxtun Repost for M. Masse
From: Robert Beauford <wendirob_at_meteoritecentral.com>
Date: Thu Apr 22 09:41:53 2004
I've been struggling to understand the H and L Chondrite classification
structure, but it keeps eluding me. I'll get it eventually, but please
forgive me if the questions are ignorant at this point.
I thought that free metal was the determiner for H or L groups. How do the
pyroxene and olivine makeup affect the H or L grouping?
What do the numbers in the olivine and pyroxene values signify that alters
> Matteo Chinellato wrote:
> > Haxtun classification is H/L4, but in the Catalogue ... L4
> Hello Matteo and List,
> Haxtun was classified as an i n t e r m e d i a t e type by A.E.
> Rubin. Its olivine value (Fa24.6 ± 0.4) makes it an L chondrite but,
> on the other hand, its pyroxene value (Fs17.8 ± 1.3) clearly makes
> it an H chondrite. There is a paper by A. Rubin about such ordinary
> chondrites with atypical mineral compositions.
> Best wishes,
> Meteorite-list mailing list
Received on Wed 03 Jan 2001 11:07:52 PM PST