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The Coldwater Shale is a geologic formation in Michigan. It preserves fossils dating back to the Mississippian period. v t e...

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

arkosic sandstone with some siltstone and shale. Being exceptionally resistant to erosion, outcrops of the Coldwater form some of the most dramatic terrain...

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

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...

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...

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...

sandstones at its base into mix of limestones and sandstone and then a shale at its top. In Southern Illinois oil wells are drilled into the Tar Springs...

The New Providence Shale is a basal clay-shale geologic formation in Indiana named by Charles Butts and William W. Borden in the 1874 after New Providence...

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...

in 1903. He described exposures of limestone and interbedded calcareous shale along the Whitewater River at Richmond, Wayne County, Indiana. An excellent...

Muscatatuck underlies the New Albany Shale throughout of its extent, except in Northern Indiana where it underlies the Antrim Shale. The North Vernon Limestone...

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

Albany Shale Beaver Bend Limestone Beech Creek Limestone Bethel Formation Big Clifty Formation Branchville Formation Clore Formation Coldwater Shale Cypress...

limestone. The most unique unit would be unit 3 which mostly is made up of grey shales that grades into granular limestone at the surface. The environment that...

Viséan Maxville Limestone Tournaisian Cuyahoga Formation Logan Formation Sunbury Shale Coldwater Shale Rushville Shale...

Missouri by Buehler (1907, p. 231). The formation is composed of Siltstone, Shale, Limestone and Dolomite. The rock of the Davis Formation is a graditional...

Ledge Shale Member, Chestnut Sandstone Member, Connoquenessing Sandstone Member, Dundee Sandstone Member, Flint Ridge Clay Bed or Flint Ridge Shale Member...

Bayport Limestone Coldwater Shale Marshall Sandstone Sunbury Shale...

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