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...

oil-bearing shales are the Bakken Formation, Pierre Shale, Niobrara Formation, and Eagle Ford Formation. Accordingly, shale oil produced from oil shale should...

is an extinct genus of mosasaurid squamates from the early Campanian Pierre Shale of North Dakota, United States. The genus contains a single species,...

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...

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...

associated with plesiosaur remains in the Sharon Springs Member of the Pierre Shale (Late Cretaceous), western Kansas". Kansas Acad. Sci. Trans. 103 (1–2):...

Shale oil is an unconventional oil produced from oil shale rock fragments by pyrolysis, hydrogenation, or thermal dissolution. These processes convert...

polyphemus (Linnaeus, 1758) Limulus coffini† Reeside & Harris, 1952- Pierre Shale, United States, Late Cretaceous (Maastrichtian) Doubtful species include:...

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...

(stomach stones) to help digest their food. Elasmosaurus is known from the Pierre Shale formation, which represents marine deposits from the Western Interior...

erosion removed the Paleogene layers, revealing the underlying Cretaceous Pierre Shale. The basin itself forms a petroleum province. Oil and gas have been produced...

(Squamata: Mosasauridae) from the Missouri River area (Late Cretaceous; Pierre Shale Group) of South Dakota and its relationship to Lewis and Clark" (PDF)...

western North America; this formed the Mowry Sea, so named for the Mowry Shale, an organic-rich rock formation. In the south, the Gulf of Mexico was originally...

have used the stones as ballast, a Styxosaurus specimen found in the Pierre Shale of western Kansas included ground up fish bones mixed with the gastroliths...

(2001). "An elasmosaur with stomach contents and gastroliths form the Pierre Shale (Late Cretaceous) of Kansas". Transactions of the Kansas Academy of Science...

Cretaceous Gault clay of Folkestone in Kent, England. The Cretaceous Pierre Shale formation of the United States and Canada is well known for the abundant...

Niobrara Formation is overlain by the marine Pierre Shale and is underlain by the Carlile Shale or Benton Shale. During the time of the deposition of the...

Kansas, Colorado, Nebraska, South Dakota, Montana, Wyoming, and the Pierre Shale/Fox Hills formations of North Dakota. Lastly, mosasaur bones and teeth...

The eastern (and newer) side of the valley is underlain primarily by Pierre Shale laid down during Cretaceous time. The western (and older) side of the...

also important in the field of paleontology; it contains deposits of Pierre Shale formed on the seafloor of the Western Interior Seaway, evidence of the...

biogenic aragonite (thin, rainbow-colored shell) on the ammonite Baculites (Pierre Shale, Late Cretaceous, South Dakota) Scanning electron microscope image of...

Interior Seaway at the time. Specimens become much more numerous in the Pierre Shale situated above the chalk. Two genre of pterosaurs are present in the...

(Albian) Glen Rose Formation, Texas, USA Limulus O. F. Müller, 1785 Pierre Shale, United States, Late Cretaceous (Maastrichtian), Atlantic North America...

tamulicum Placenticeras vredenburgi Placenticeras whitfieldi P. costatum, Pierre Shale Formation, South Dakota P. placenta with mosasaur bite marks P. meeki...

polycotylid plesiosaur (KUVP 40001 and 40002) were collected from the Pierre Shale of Wyoming and later reported on by Adams in her 1977 Masters thesis...

Globidens, a shell-crushing mosasaur (Squamata), from the Late Cretaceous Pierre Shale Group, Big Bend area of the Missouri River, central South Dakota. Geological...

It is underlain by the Fort Hays Limestone Member and overlain by the Pierre Shale. The Smoky Hill Chalk outcrops in parts of northwest Kansas, its most...

compared to C. annectens. C. affinis was founded on remains from the Pierre Shale of South Dakota, found in association with remains of the giant sea turtle...

polycotylid plesiosaur (KUVP 40001 and 40002) were collected from the Pierre Shale of Wyoming and later reported on by Adams in her 1977 Masters thesis...

stomach of a single T. proriger skeleton (SDSM 10439) recovered from the Pierre Shale of South Dakota. Other records of stomach contents include a sea turtle...