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The Cleveland Shale (or Cleveland Member) is a sub-unit of the Ohio Shale Formation. [7] [19] The Chagrin Shale underlies the Cleveland Shale. [20] The Bedford Shale generally overlies the Cleveland Shale, with a sharp distinction between the two. In west-central Ohio, more than 150 feet (46 m) of Bedford Shale may lie above the Cleveland Shale.
The Ohio Shale is a geologic formation in Ohio. It preserves fossils dating back to the Devonian period. See also. Earth sciences portal; Ohio portal; Paleontology ...
Sand and gravel, salt, sandstone and conglomerate all have production over one million tons. Shale and clay are also quarried. Ohio produces three billion dollars worth of natural gas and $844 million of oil annually. Coal deposits were first recognized in the 1740s by early settlers and were mapped as early as 1752.
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Grant Lake Formation and Miamitown Shale: Overlies: Kope Formation: Location; Region ... Country United States: The Fairview Formation is a geologic formation in Ohio.
The Bedford Shale in Ohio has been extensively studied since 1943, [23] and the 1954 study by Pepper, de Witt, and Demarest was still considered the classic study of the formation as late as 1991. [24] The Bedford Shale is present throughout much of Ohio. [25] [26] Outcrops extend along Lake Erie from the Ohio-Pennsylvania border west to Lorain ...
The Chagrin Shale is found in north-central and northeastern Ohio, and in northwestern Pennsylvania. [7] The Chagrin Shale reaches a maximum thickness of 1,200 feet (370 m) in eastern Ohio. [7] In Ohio, the Chagrin Shale is thin in the west, [2] [3] and thickens as it proceeds east. [7] The Chagrin Shale also extends south into West Virginia. [9]
The Shakopee was deposited in a peritidal setting and is divided by an unconformity. The unconformity left river valleys that were filled with siliciclastic material that was covered by marine deposits. Facies-defining cycles are divided into grainy carbonate, muddy carbonate, sandstone, shale, and Stromatolitic–Algal mat Boundstones. [17]