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The AAPG/Datapages Combined Publications Database

Journal of Sedimentary Research (SEPM)


Journal of Sedimentary Petrology
Vol. 32 (1962)No. 1. (March), Pages 26-28

Clay Mineral Diagenesis as a Possible Source of Silica Cement in Sedimentary Rocks

Kenneth M. Towe


The post-depositional transformation of montmorillonite and/or mixed-layer illite-montmorillonite to illite is suggested as a source of silica cement in some sedimentary rocks. Depth of burial appears to be an important factor in effecting this change and although supporting data are lacking, the changes in mineralogy dictate that silicon should be released to the general geologic environment.

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