| Pocahontas Formation | |
|---|---|
| Stratigraphic range: Pennsylvanian | |
| Type | Formation |
| Underlies | New River Formation |
| Overlies | Bluestone Formation |
| Location | |
| Region | West Virginia |
| Country | United States |
The Pocahontas Formation is a coal-bearing geologic formation in West Virginia. It preserves fossils dating back to the Carboniferous period.
The Pocahontas Formation contains sandstone, shale, and some coal.
It is overlain by the New River Formation, and is exposed in the New River Gorge.
Baphetes is an extinct genus of tetrapod from the Pennine Coal Measures Group and Parrot Coal, England, the Joggins Formation of Nova Scotia, and the Kladno Formation of the Czech Republic. It was first named by Richard Owen in 1854. The type species is B. planiceps.
The Waynesburg Formation is a coal, sandstone, and siltstone geologic formation in West Virginia and Pennsylvania. It preserves fossils dating back to the Permian period.
The Shakopee Formation is a geologic formation in Illinois, Indiana, Wisconsin, and Minnesota. It preserves fossils dating back to the Ordovician period. It is named after the town of Shakopee, Minnesota, where the formation can be seen in bluffs along the Minnesota River
The Dan River Group is a geologic group in Virginia and North Carolina. It preserves fossils dating back to the Triassic period.
The Cumnock Formation is a Late Triassic-age geologic formation in North Carolina. It is found in the Sanford sub-basin of the Deep River Basin, the southernmost of the large Mesozoic basins forming the Newark Supergroup. It is the middle unit of the Chatham Group, overlying the Pekin Formation and underlying the Sanford Formation. Both of these encompassing formations are primarily red sandstone. The Cumnock Formation, on the other hand, represents a sequence of darker lacustrine (lake) or paludal (swampy/marshy) sediments deposited in a tropical climate. These primarily include shales and coal, with some thin layers of coarser sediment such as siltstone and sandstone.
The Everton Formation is a geologic formation in northern Arkansas that dates to the middle Ordovician Period. Unconformities separate this formation from the underlying Powell Formation and the overlying St. Peter Sandstone Formation. Named for the town of Everton in Boone County, Arkansas in 1907, the Everton Formation is composed primarily of dolomite, limestone, and sandstone.
The Tongue River Member is the uppermost geologic member of the Fort Union Formation in Montana, North Dakota, Wyoming. The strata are yellow or light-colored massive sandstones and numerous thick coal beds.
The Riverton Coal Formation is a geologic formation in Kansas. It preserves fossils dating back to the Carboniferous period.
The Henryetta Coal Formation is a geologic formation in Oklahoma. It contains fossils dating back to the Carboniferous period.
The Hartshorne Formation is a geologic formation in Arkansas and Oklahoma. It preserves fossils dating back to the Carboniferous period.
The Oologah Formation is a geologic formation in Oklahoma. It preserves fossils dating back to the Carboniferous period.
The Lebo Member is a geologic member of the Fort Union Formation in Montana and 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 Coal Valley Formation is a geologic formation in Nevada. It preserves fossils dating back to the Neogene period.
The Whiteaves Formation is a geologic formation in British Columbia. It preserves fossils dating back to the Jurassic period.
The Scremerston Formation is a geologic formation in England. It preserves fossils dating back to the Carboniferous period.
The Kootenay Group, originally called the Kootenay Formation, is a geologic unit of latest Jurassic to earliest Cretaceous age in the Western Canada Sedimentary Basin that is present in the southern and central Canadian Rockies and foothills. It includes economically important deposits of high-rank bituminous and semi-anthracite coal, as well as plant fossils and dinosaur trackways.
The Raisin River Dolomite is a geologic formation in Michigan. It preserves fossils dating back to the Silurian period.
The Grand River Formation is a geologic formation in Michigan. It preserves fossils dating back to the Pennsylvanian period.
The New River Formation is a geologic formation in West Virginia. It preserves fossils dating back to the Carboniferous period.
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