Brainard Shale information

The Brainard Shale is a geologic formation in Illinois. It preserves fossils dating back to the Ordovician period. List of fossiliferous stratigraphic...

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...

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

Basin. The top of the formation is mostly dark-gray to black dolomitic shale. This is occasionally interbedded very fine grained limestone, that is mostly...

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...

Marcus Dolomite Aeronian Hunton Megagroup Sexton Creek Limestone Rhuddanian Bowling Green Dolomite Brainard Shale Fort Atkinson Limestone Neda Formation...

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

Colchester Coal, Mecca Quarry Shale, Velpen Limestone, and Survant Coal Members, and unnamed units of sandstone, shale, and clay". It preserves fossils...

Sexton Creek Limestone St. Clair Limestone Wabash Formation Waldron Shale O Brainard Shale Dillsboro Formation Dutchtown Formation Everton Dolomite Fort Atkinson...

medium in hue. The limestone is fairly clean, with small amounts of clay and shale. It contains a variety of textures, the most noted are micritic, oolitic...

The Scales Shale is a geologic formation in Illinois. It preserves fossils dating back to the Ordovician period. List of fossiliferous stratigraphic units...

Sexton Creek Limestone St. Clair Limestone Wabash Formation Waldron Shale O Brainard Shale Dillsboro Formation Dutchtown Formation Everton Dolomite Fort Atkinson...

The New Albany Shale is an organic-rich geologic formation of Devonian and Mississippian age in the Illinois Basin of the United States. It is a major...

Sexton Creek Limestone St. Clair Limestone Wabash Formation Waldron Shale O Brainard Shale Dillsboro Formation Dutchtown Formation Everton Dolomite Fort Atkinson...

system. The middle Mount Simon is a fine to medium grained sandstone with shale beds in it, which is interpreted to be in a high-energy delta. Finally,...

the Fort Atkinson is the Brainard Formation. The Brainard is generally a greenish gray to gray dolomitic soft to hard shale. It contains abundant fossils...

Marcus Dolomite Aeronian Hunton Megagroup Sexton Creek Limestone Rhuddanian Bowling Green Dolomite Brainard Shale Fort Atkinson Limestone Neda Formation...

needed] The Buffalo Wallow Group is made up of approximately 70% Shale including fissile shales, claystones, and siltstones. The remaining lithology is made...

Manistique Formation Silurian Maquoketa Formation Ordovician Maquoketa Group/Brainard Shale Formation Ordovician Maquoketa Group/Fort Atkinson Formation Ordovician...

Sexton Creek Limestone St. Clair Limestone Wabash Formation Waldron Shale O Brainard Shale Dillsboro Formation Dutchtown Formation Everton Dolomite Fort Atkinson...

Sexton Creek Limestone St. Clair Limestone Wabash Formation Waldron Shale O Brainard Shale Dillsboro Formation Dutchtown Formation Everton Dolomite Fort Atkinson...

Marcus Dolomite Aeronian Hunton Megagroup Sexton Creek Limestone Rhuddanian Bowling Green Dolomite Brainard Shale Fort Atkinson Limestone Neda Formation...

component bedrock formations of the Maquoketa Group that primarily consists of shale (75%) with some limestone (25%) interbedded. In general, it has a bluish-gray...

Sexton Creek Limestone St. Clair Limestone Wabash Formation Waldron Shale O Brainard Shale Dillsboro Formation Dutchtown Formation Everton Dolomite Fort Atkinson...

calcarenite and calcirudite. It also may include some beds of dolomite and shale. Harrodsburg Limestone is found throughout the part of the Illinois Basin...

Sexton Creek Limestone St. Clair Limestone Wabash Formation Waldron Shale O Brainard Shale Dillsboro Formation Dutchtown Formation Everton Dolomite Fort Atkinson...

Formation Unit of Maquoketa Group Underlies Brainard Shale and Whitewater Formation Overlies Scales Shale Location Region Illinois, Indiana Country United...