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The AAPG/Datapages Combined Publications Database

Journal of Sedimentary Research (SEPM)

Abstract


Journal of Sedimentary Petrology
Vol. 45 (1975)No. 2. (June), Pages 399-404

Post-Compactional Calcitization of Molluscan Aragonite in a Jurassic Limestone from Saskatchewan, Canada

A. C. Kendall

ABSTRACT

Originally aragonitic bivalve shells from a thin limestone (encased within argillaceous units) locally suffered severe compaction with pressure solution and fracturing taking place prior to their calcitization. This contrasts with previously described replacements of molluscan aragonite which are pre-compactional. It is believed the skeletal aragonite remained stable until after compaction because the sediment was isolated from the ground-water system until relatively late in the sediment's diagenetic history.


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