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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 ...
The Cleveland Shale is a shale geologic formation in Ohio in the United States. The Cleveland Shale underlies much of northeast Ohio in beds of varying thickness. In northeast Ohio, the member does not appear east of the Grand River. [7] Measurements taken in northeast Ohio show the Cleveland Shale to be 7 feet (2.1 m) [7] to 100 feet (30 m ...
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 unit is also present in Kentucky, where it is mapped as the Chagrin Shale tongue of the Ohio Shale ...
The Point Pleasant Formation is the oldest rock unit exposed at the surface in Ohio and formed during the Late Ordovician, outcropping along the Ohio River near Cincinnati. The formation records a transition from shallow-water limestone reef formation to a deeper water environment, marked by overlying shale and limestone, which form the ...
By Thomas J. Sheeran YOUNGSTOWN, Ohio (AP) -- A rare sight in hard-luck Youngstown, a new industrial plant, has generated hope that a surge in oil and natural gas drilling across a multistate ...
The Bedford Shale in northern Ohio is a red, predominantly soft clay shale that grades to grayish-black near its base. Siltstone beds, showing ripples and some as much as 3 inches (7.6 cm) thick, are interbedded near the bottom. [ 4 ]
The Columbus conformably overlies the Lucas Dolomite in northeastern Ohio, and unconformably overlies other dolomite elsewhere. It unconformably underlies the Ohio Shale in northwestern Ohio and the Delaware Limestone in eastern Ohio. [2] Its members include: Bellepoint, Marblehead, Tioga Ash Bed, Venice, Delhi, Klondike, and East Liberty.
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