The Sentinel Butte Formation is a geologic formation of Paleocene age in the Williston Basin of western North Dakota. It preserves significant assemblages...
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the Sentinel Butte Formation. This formation is generally gray to brown in color but is similar in lithology to the Tongue River. The Sentinel Butte is...
5 KB (604 words) - 15:46, 29 July 2024
The Golden Valley Formation is present as a series of outliers in western North Dakota. It is underlain by the Sentinel Butte Formation and unconformably...
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most of the beds along the river belong to the Bullion Creek and Sentinel Butte formations, both deposited during the Paleocene (about 66 to 56 million years...
9 KB (551 words) - 03:14, 13 August 2024
(2020-05-01). "Earliest Known Material of Amia, Bowfin, From The Sentinel Butte Formation (Paleocene), Medora, North Dakota". Theses and Dissertations. Froese...
9 KB (771 words) - 06:39, 19 July 2024
triangulpterus. The last species is known from the Paleocene of the Sentinel Butte Formation of North Dakota. Paleontology portal Fish portal Prehistoric fish...
1 KB (106 words) - 22:33, 15 January 2024
gigas from SMM P71.2.1, a partial skeleton and skull found in the Sentinel Butte Formation, Golden Valley County, North Dakota. Erickson subsequently in 1981...
27 KB (2,498 words) - 11:05, 7 June 2024
Dakota from 65 to 55 million years ago. The Bullion Creek Formation and the Sentinel Butte Formation covered over these units with lignite coal. They outcrop...
14 KB (2,216 words) - 08:57, 14 July 2024
represented by a group of fossil specimens from the Upper Paleocene aged Sentinel Butte Formation exposed near the town of Almont, North Dakota. The specimens are...
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Moenkopi Formation, capped by Shinarump Conglomerate. West Mitten Butte, East Mitten Butte and Merrick Butte West Mitten Butte, East Mitten Butte and Merrick...
4 KB (327 words) - 22:39, 20 June 2024