The KanawhaFormation is a geologic formation in West Virginia. It preserves fossils dating back to the Carboniferous period. Earth sciences portal Paleontology...
Kanawha was a proposed name for the 39 counties which later became the main body of the U.S. state of West Virginia, formed on October 24, 1861. It consisted...
of medullosalean "seed ferns" which first appear in the uppermost KanawhaFormation. In the Kittanning coals and higher stratigraphic sections, the plant...
The Knox Supergroup, also known as the Knox Group and the Knox Formation, is a widespread geologic group in the Southeastern United States. The age is...
The Marcellus Formation or the Marcellus Shale is a Middle Devonian age unit of sedimentary rock found in eastern North America. Named for a distinctive...
The Tully Formation is a geologic unit in the Appalachian Basin. The Tully was deposited as a carbonate rich mud, in a shallow sea at the end of the Middle...
the Portage Group. The West Falls formation is bounded above by the Java Formation and below by the Sonyea Formation. It comprises the Angola Shale and...
The Genesee Formation (Group) is a geologic formation in New York. It is equivalent the Harrell Shale in Pennsylvania. It date back to the Upper Devonian...
The Monongahela Formation is a geologic formation in West Virginia, Pennsylvania, Ohio, and Maryland. It is dated to the Carboniferous period. The top...
it outcrops; in others, especially its Southern Ontario portion, the formation can be less prominent as a local surface feature.[citation needed] In...
Monongahela Formation Kasimovian Conemaugh Group Moscovian Allegheny Formation Bashkirian Pottsville Group KanawhaFormation New River Formation Pocahontas...
The Ordovician Martinsburg Formation (Om) is a mapped bedrock unit in Pennsylvania, New Jersey, Maryland, Virginia, and West Virginia. It is named for...
The New River Formation is a geologic formation in West Virginia. It preserves fossils dating back to the Carboniferous period. Earth sciences portal...
which the same formation is exposed. Such sites may have separate entries if they are considered to be more notable than the formation as a whole. In...
closely associated with the Harpers Formation, Weverton Formation, and the Loudoun Formation. The Catoctin Formation lies over a granitic basement rock...
Sandstone is a sandstone geologic formation in West Virginia, Virginia, Pennsylvania, and Maryland. The formation includes the Cedar Creek Limestone...
The Elbrook Formation is a geologic formation in West Virginia, Maryland, and Pennsylvania. It dates back to the Cambrian period. Fossils of trilobite...
The Salina Group or Salina Formation is a Late Silurian-age, Stratigraphic unit of sedimentary rock that is found in Northeastern and Midwestern North...
The Wells Creek Formation is a geologic formation in West Virginia. It dates back to the Ordovician period. Earth sciences portal Paleontology portal...
The Devonian Harrell Formation is a mapped bedrock unit in Pennsylvania, Maryland, West Virginia, and Virginia. The Harrell Formation was first described...
Dunkard contains three formation. Starting at the base (oldest) is the Waynesburg Formation, Washington Formation, and Greene Formation. The base is marked...
The Silurian Bloomsburg Formation is a mapped bedrock unit in Pennsylvania, New Jersey, New York and Maryland. It is named for the town of Bloomsburg...
Monongahela Formation Kasimovian Conemaugh Group Moscovian Allegheny Formation Bashkirian Pottsville Group KanawhaFormation New River Formation Pocahontas...
The Silurian McKenzie Formation is a mapped bedrock unit in Maryland. The McKenzie Formation is a gray, thin-bedded shale and argillaceous limestone, with...
The Silurian Tuscarora Formation — also known as Tuscarora Sandstone or Tuscarora Quartzite — is a mapped bedrock unit in Pennsylvania, Maryland, West...
above the Tully Limestone member of the Mahantango Formation. The geographical extent of the formation includes southern New York, Pennsylvania, eastern...
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United States