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Showing 1 to 1 of 1 for “"Stratigraphic--Mississippian; Geology--Williston Basin"”.
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Conodonts of the Bakken Formation (Devonian and Mississippian), Williston Basin, North Dakota
… elastic unit in the subsurface of the Williston Basin in the United States and Canada. The formation consists of two, mostly non-calcareous, grayish-black to brownish-black shales separated by light to dark gray, calcareous and dolomitic siltstone and fine-grained sandstone. The …