Dear Gray,

you may have a look on this paper

Al-Aasm, I.S., Taylor, B.E. & South, B. (1990): Stable isotope analysis
of multiple carbonate samples using selective acid extraction.- Chemical
Geology (Isotope Geosciences Section), 80, 119-125.

Cheers

Michael



GRAY E. BEBOUT wrote:

> Dear Colleagues,
>
>     I'd greatly appreciate a reminder of the older
> references, but also ideas from the more recent
> literature, direct experience, and gut-instinct, having
> to do with the degree to which O-C-isotope compositions
> of coexisting calcite and dolomite can be separately (and
> quantitatively) analyzed via phosphoric acid dissolutions
> (at different temperatures).  We're particularly
> interested in obtaining O-C isotopic compositions of
> calcite in rocks also containing varying, but small,
> amounts of dolomite.
>
>     Cheers/Thanks in advance,
>
>     Gray Bebout, Lehigh University
>
> __________________________________
>
> Gray E. Bebout, Visiting Research Scientist (until 1-01)
> The Pheasant Memorial Laboratory for Geo- &
> Cosmochemistry (PML)
> Institute for Study of the Earth's Interior (ISEI)
> Okayama University at Misasa
> Tottori-ken 682-0193, JAPAN
> __________________
>
> Permanent Address:
> Gray E. Bebout, Associate Professor
> Department of Earth & Environmental Sciences
> 31 Williams Drive
> Lehigh University
> Bethlehem, Pennsylvania 18015 USA
> Home Page: http://www.lehigh.edu/~bdi2/silab.html



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Michael M. Joachimski
Institut fuer Geologie und Mineralogie
Universitaet Erlangen
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Germany

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