| Lebo Member Stratigraphic range: Paleogene | |
|---|---|
| Type | Member |
| Unit of | Fort Union Formation |
| Underlies | Tongue River Member |
| Location | |
| Region | Montana, Wyoming |
| Country | United States |
The Lebo Member is a geologic member of the Fort Union Formation in Montana and Wyoming. [1] It preserves fossils dating back to the Paleogene period. [2]
The Cloverly Formation is a geological formation of Early Cretaceous age that is present in parts of Montana, Wyoming, Colorado and Utah in the western United States. It was named for a post office on the eastern side of the Bighorn Basin in Wyoming by N.H. Darton in 1904. The sedimentary rocks of formation were deposited in floodplain environments and contain vertebrate fossils, including a diverse assemblage of dinosaur remains. In 1973, the Cloverly Formation Site was designated as a National Natural Landmark by the National Park Service.
Proscalops is an extinct genus of insect-eating mammal. Formerly placed in the defunct order Insectivora, it is now placed with the Eulipotyphla. The first and most numerous Proscalops fossils were found in the Sharps Formation of South Dakota, near Wounded Knee. Other samples have been found in the Brule Formation of South Dakota, the Deep River Formation of Montana, and in Wyoming.
Ectocion is an extinct genus of placental mammals of the family Phenacodontidae. The genus was earlier classified as Gidleyina and Prosthecion
The Mission Canyon Formation is a geologic formation in Montana and Wyoming. It preserves fossils from the Mississippian period.
Bahndwivici is an extinct genus of lizard known from a nearly complete and articulated skeleton discovered in rocks of the Green River Formation of Wyoming, United States. The skeleton is very similar to that of the modern Chinese crocodile lizard, Shinisaurus.
Orodrominae is a subfamily of thescelosaurid dinosaurs known from the Cretaceous of North America and Asia.
The Tongue River Member is a geologic member of the Fort Union Formation in North Dakota and Wyoming. It preserves fossils dating back to the Paleogene period.
The Benton Shale is a geologic formation in Montana, Wyoming, North Dakota, South Dakota, Colorado, Kansas, and Nebraska. It preserves fossils dating to the Cretaceous Period. The term Benton Limestone has also been used to refer to the chalky portions of the strata, especially the upper beds of the strata presently classified as Greenhorn Limestone. The Benton classification is obsolete in some regions, having been replaced by the ascending sequence Graneros Shale, Greenhorn Limestone, and Carlile Shale.
The Belle Fourche Formation or Belle Fourche Shale is a fossiliferous early Late-Cretaceous geologic formation classification in Wyoming. Named for outcrops in Belle Fourche River, Wyoming, this unit name is also used in Montana, North Dakota, and South Dakota.
The Gros Ventre Formation is a geologic formation in Wyoming, USA. It preserves fossils dating back to the Cambrian period. The Gros Ventre consists of three main members; the Wolsey Shale, the Death Canyon Limestone, and the Park Shale.
The Gallatin Formation is a geologic formation in Wyoming and Montana. It preserves fossils dating back to the Cambrian period.
The Aspen Shale is a geologic formation in Wyoming. It preserves fossils dating back to the Cretaceous period.
The North Park Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Neogene period.
The Bighorn Dolomite is a geologic formation in Wyoming. It preserves fossils dating back to the Ordovician period.
The Tepee Trail Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Paleogene period.
The Hoback Formation is a geologic formation in west-central Wyoming, located within the Hoback Basin. It formed as a result of increased sedimentation rates from the Laramide Orogeny and preserves fossils dating back to the late Paleogene period, through the early Eocene.
The Minnekahta Formation is a geologic formation in Wyoming, United States. It preserves fossils dating back to the Permian period.
The Satanka Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Permian period.
The Jelm Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Triassic period.
The Wind River Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Paleogene period. A recent study by Stanford suggests that fracking has contaminated the entire ground water resource in the basin.
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