The Pierre Shale is a geologic formation or series in the Upper Cretaceous which occurs east of the Rocky Mountains in the Great Plains, from Pembina Valley...
69 KB (2,329 words) - 23:44, 16 July 2024
oil-bearing shales are the Bakken Formation, Pierre Shale, Niobrara Formation, and Eagle Ford Formation. Accordingly, shale oil produced from oil shale should...
66 KB (6,548 words) - 12:33, 22 August 2024
2–3.2 t (2.4–3.5 short tons) in body mass. It is known only from the Pierre Shale and has one species, A. ischyros. In the past, the genus also contained...
34 KB (3,896 words) - 21:19, 4 April 2024
is an extinct genus of mosasaurid squamates from the early Campanian Pierre Shale of North Dakota, United States. The genus contains a single species,...
15 KB (902 words) - 02:35, 20 July 2024
Front Range (section Pierre Shale)
hogbacks on the east slope of the Dakota Hogback. The non-chalky shales of the Pierre Formation formed in the final cycle of the seaway. At about 68 million...
19 KB (1,841 words) - 06:09, 25 August 2024
polyphemus (Linnaeus, 1758) Limulus coffini† Reeside & Harris, 1952- Pierre Shale, United States, Late Cretaceous (Maastrichtian) Doubtful species include:...
3 KB (241 words) - 03:04, 21 November 2023
Shale oil is an unconventional oil produced from oil shale rock fragments by pyrolysis, hydrogenation, or thermal dissolution. These processes convert...
32 KB (3,399 words) - 16:04, 30 April 2024
associated with plesiosaur remains in the Sharon Springs Member of the Pierre Shale (Late Cretaceous), western Kansas". Kansas Acad. Sci. Trans. 103 (1–2):...
137 KB (13,377 words) - 13:07, 1 October 2024
Niobrara Formation, and the slightly younger Sharon Springs deposits of the Pierre Shale Formation. When Pteranodon was alive, this area was covered by a large...
71 KB (7,888 words) - 20:11, 17 September 2024
(stomach stones) to help digest their food. Elasmosaurus is known from the Pierre Shale formation, which represents marine deposits from the Western Interior...
113 KB (12,424 words) - 16:34, 17 July 2024