Stratigraphy of the Lower Pierre Shale (Campanian): Implications for the Tectonic and Eustatic Controls on Facies Distributions

<table>Stratigraphy of the lower Pierre Shale based on biostratigraphy and bentonite correlations.  Sequence boundaries and thickness variations record a migrating peripheral bulge in the region around the Black Hills.</table>

Journal of Geological Research

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Figure 11

Figure 11: Stratigraphy of the Lower Pierre Shale (Campanian): Implications for the Tectonic and Eustatic Controls on Facies Distributions 