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Showing 1 to 3 of 3 for “"Stratigraphic--Paleocene; Geology--North Dakota"”.
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Stratigraphy and sedimentology of the Sentinel Butte formation (Paleocene) near Lost Bridge, Dunn County, west-central North Dakota
<p>The Sentinel Butte Formation (Paleocene) near Lost Bridge, Dunn County, west-central North Dakota, is 190 meters thick, and is charac terized by four main lithologies: sand, silt, clay, and lignite. The study interval is ISO meters thick, and lies between the basal sand of the formation and the …
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A stratigraphic and sedimentologic analysis of the Tongue River and Sentinel Butte Formations (Paleocene), western North Dakota
… within a relatively homogeneous sequence of Paleocene strata. Consequently, the Sentinel Butte has come to be regarded as a subordinate unit of the ”Tongue River Formation. As defined in report, the contact is a distinctive horizon between two discrete lithogenetic units. It characterized by …
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The stratigraphy and geologic history of the Cannonball Formation (Paleocene)
… of the Cannonball formation in southwestern North Dakota, and to present a new geologic map of the formation in Oliver, McLean, Burleigh, and Emmons Counties, North Dakota.</p>