Abstract:Closely interbedded mudstone and sandstone are rarely the focus of clay mineral diagenetic studies; as such, it is not understood if these various rock types follow the same or different diagenetic pathway(s) during burial. Over a depth span of $2,300 to 4,200 m, 95 core samples of alternating Pennsylvanian mudstone/sandstone from the hydrocarbon-rich Anadarko Basin in Oklahoma have been characterized petrographically, mineralogically, and chemically. The investigated fine-grained sediment is argillaceous to s… Show more
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