A Petrographic Study of the Three Forks Formation (Upper Devonian), Williston Basin, North Dakota: Based on Thin Section Analysis, XRD and SEM

<table>Extent and stratigraphic position of the Three Forks Formation showing members 1 to 5, the Pronghorn Member (P), and sample locations.</table>

Journal of Geological Research

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Figure 1: A Petrographic Study of the Three Forks Formation (Upper Devonian), Williston Basin, North Dakota: Based on Thin Section Analysis, XRD and SEM 

Figure 1 | A Petrographic Study of the Three Forks Formation (Upper Devonian), Williston Basin, North Dakota: Based on Thin Section Analysis, XRD and SEM 