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The deposition of these units was briefly interrupted by a return to a stagnant marine environment, forming the Sunbury Shale. Outcrops of Mississippian rocks run parallel to Devonian rocks across central Ohio and paralleling the Lake Erie shore. In fact, Mississippian outcrops form a band of hills five to 10 miles south of the lake.
Oil shale formation takes place in a number of depositional settings and has considerable compositional variation. Oil shales can be classified by their composition (carbonate minerals such as calcite or detrital minerals such as quartz and clays) or by their depositional environment (large lakes, shallow marine, and lagoon/small lake settings).
Eastern North America in the Middle Devonian, showing the Michigan Basin of the Rheic Ocean. In Michigan, the Bedford Shale is found in the southeast along shores of Lake Erie and Lake St. Clair; along the shore of Lake Huron north of Saginaw Bay; along the south shore of the Straits of Mackinac; north of 44 degrees latitude along the shore of Lake Michigan; and in the far southwest corner of ...
The largest deposits are found in the remains of large lakes such as the deposits of the Green River Formation of Wyoming and Utah, USA. Large lake oil shale basins are typically found in areas of block faulting or crustal warping due to mountain building. Deposits such as the Green River may be as much as 2,000 feet (610 m) and yield up to 40 ...
Utica Shale drilling and production began in Ohio in 2011. Ohio as of 2013 is becoming a major natural gas and oil producer from the Utica Shale in the eastern part of the state. [10] Map of Ohio Utica Shale drilling permits and activity by date. [11] [12] In 2011 drilling and permits for drilling in the Utica Shale in Ohio reached record highs ...
The sandstone overlies the Bedford Shale and the Ohio Shale and underlies the Sunbury Shale. [2] Berea Sandstone is light gray to buff-colored in the form of siltstone and fine- to medium-grained sandstone. In places it is hard to distinguish from the underlying Bedford Shale. [5] Berea Sandstone is classified as a member of the Waverly Group. [6]
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Figure 1: Extent of the Silurian salt deposits in Michigan, Ohio, New York, and adjacent states [2] The Salina is an extensive formation. It ranges from West Virginia up through Pennsylvania into Ohio and then Michigan in the United States, and from Pennsylvania into New York. It is also found in the Canadian province of Ontario. (See Figure 1.)