The Bedford Shale is a shale geologic formation in the states of Ohio, Michigan, Pennsylvania, Kentucky, West Virginia, and Virginia in the United States...

(46 m) of Bedford Shale may lie above the Cleveland Shale. In places, red and grey shale may intertongue (interlock) with the Cleveland Shale extensively...

from each other. The sandstone overlies the Bedford Shale and the Ohio Shale and underlies the Sunbury Shale. Berea Sandstone is light gray to buff-colored...

Along its banks and tributaries, Berea sandstone, Bedford shale, Cleveland Shale, and Chagrin Shale bedrock are exposed in layers. The river itself was...

and the Bedford Shale were deposited in a river delta environment in the Lower Mississippian. River channels were incised into the Bedford Shale and subsequently...

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...

Facies-defining cycles are divided into grainy carbonate, muddy carbonate, sandstone, shale, and Stromatolitic–Algal mat Boundstones. Stromatolite reefs are a common...

25 November 2015 deWitt, Wallace, Jr., Age of the Bedford Shale, Berea Sandstone, and Simbury Shale in the Appalachian and Michigan Basins, Pennsylvania...

is shale. The Rhinestreet Member can be further subdivided into two shale types: a thick, fissile black shale underlies a gray to greenish-gray shale that...

(Group) is a geologic formation in New York. It is equivalent the Harrell Shale in Pennsylvania. It date back to the Upper Devonian period. It is the basal...

Chagrin Shale is a shale geologic formation in the eastern United States that is approximately 365 million years old. The Chagrin Shale is a gray shale that...

Rhinestreet Shale is a geologic formation in the Appalachian Basin. It dates back to the Devonian period. The Rhinestreet is an organic or Black Shale found...

Famennian Bedford Shale Berea Sandstone Cussewago Sandstone Ohio Shale Cleveland Shale Chagrin Shale Huron Shale) Frasnian Burket Shale Olentangy Shale (upper)...

of the Salina. The Salina Formation is composed chiefly of dolomite and shale, interbedded with anhydrite, gypsum, and salt. Stratigraphically, the Salina...

are the New Creek Limestone, the Corriganville Limestone, and the Mandata Shale. The total thickness is about 60 feet. The formations weather easily and...

Geologic Map Database. The formation comprises dolomites, limestones and shales and reaches a thickness of 495 feet (151 m) in the subsurface, while in...

The Middlesex Formation is a carbon rich black shale geologic formation found in the Appalachian Basin. It represents one of several transgressive events...

The Ohio Shale is a geologic formation in Ohio. It preserves fossils dating back to the Devonian period. Earth sciences portal Ohio portal Paleontology...

stratigraphic equivalent of the New Albany Shale in the Illinois Basin. It is overlain by the Bedford Shale, and underlain in some areas by the Jordan...

period. The groups consists of the following formations: Bedford Shale Berea Sandstone Sunbury Shale Cuyahoga Formation Logan Formation Maxville Limestone...

Gildersleeve Mountain. Bedford shale is a sand shale and is characterized by its roughly 90° cleavage pattern. Pieces of Bedford shale can look as if they...

The Bill's Creek Shale is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period. Earth sciences portal Michigan...

Famennian Bedford Shale Berea Sandstone Cussewago Sandstone Ohio Shale Cleveland Shale Chagrin Shale Huron Shale) Frasnian Burket Shale Olentangy Shale (upper)...

Famennian Bedford Shale Berea Sandstone Cussewago Sandstone Ohio Shale Cleveland Shale Chagrin Shale Huron Shale) Frasnian Burket Shale Olentangy Shale (upper)...

are also layers with much higher clay contend resulting in a calcareous shale. To the east the Tully becomes siliciclastic. This is due to sediments being...

Bedford Township is a township in Bedford County, Pennsylvania, United States. The population was 5,103 at the 2020 census. The Bedford Village Archeological...

Famennian Bedford Shale Berea Sandstone Cussewago Sandstone Ohio Shale Cleveland Shale Chagrin Shale Huron Shale) Frasnian Burket Shale Olentangy Shale (upper)...

The Burket Shale or Geneseo Shale is the lowest member of the Harrell Shale/Genessee Group. The Burket is an organic-rich black shale that rests just above...

indet. Antrim Shale Bedford Shale Berea Sandstone Ellsworth Shale Frasnian Squaw Bay Limestone...

The Devonian Needmore Formation or Needmore Shale is a mapped bedrock unit in Pennsylvania, Maryland, Virginia, and West Virginia. The Needmore Formation...