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The AAPG/Datapages Combined Publications Database

Journal of Sedimentary Research (SEPM)

Abstract


Journal of Sedimentary Petrology
Vol. 37 (1967)No. 3. (September), Pages 952-956

Mineralogy of an Upper Cambrian K-Bentonite from Missouri: NOTES

Arthur O. Beall, Jr., Richard W. Ojakangas

ABSTRACT

A Cambrian bentonite from Missouri comprised of dioctahedral, mixed-layer illite-montmorillonite is quite similar to K-bentonites described in the literature. Chemical analysis indicates that transformation involved substitution of Al3+ for Si4+ in the tetrahedral layer as well as addition of K+ in the interlayer position.


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