One possible source is James Lawrence's thesis (PhD 1970, Caltech): 160/18O
and D/H ratios of soils, weathering zones and clay deposits.  I don't know if
his data were ever published.  Last I knew he was at U of Houston so you might
get more information directly from him.

cheers,
greg

frederic vitali wrote:

> Dear All
>
> I have tried to obtain references about stable isotopes (H,O) of clay
> minerals from Cretaceous paleosols of the Western Interior Seaway of North
> America. Does anybody know references regarding this ?
>
> sincerely yours
>
> Frederic Vitali
>
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> Dr. frederic Vitali           |      University of Western Ontario
> [log in to unmask]         |      Department of Earth Sciences
> fax   (519) 661-3198          |      London, Ontario
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--
Dr. Greg B. Arehart
Department of Geological Sciences, MS-172
University of Nevada, Reno
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