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The geology of Ohio formed beginning more than one billion years ago in the Proterozoic eon of the Precambrian. The igneous and metamorphic crystalline basement rock is poorly understood except through deep boreholes and does not outcrop at the surface. The basement rock is divided between the Grenville Province and Superior Province.
Riley, Ronald A.; Resources, Ohio Department of Natural; Survey, Division of Geological; Janssens, OHArie (1996). "CAMBRIAN-ORDOVICIAN KNOX PRODUCTION PATTERNS AND POTENTIAL FOR ENHANCED OIL RECOVERY IN OHIO". Ohio Geological Society-AAPG: 96– 142.
Subsurface Facies Analysis of the Cambrian Conasauga Formation and Kerbel Formation in East - Central Ohio (Master of Science in Geology thesis). Bowling Green State University. Ryder, R.T. (1992). Stratigraphic Framework of Cambrian and Ordovician Rocks in the Central Appalachian Basin from Morrow County, Ohio, to Pendleton County, West ...
The Knox Supergroup, also known as the Knox Group and the Knox Formation, is a widespread geologic group in the Southeastern United States. The age is from the Late Cambrian to the Early Ordovician. Predominantly, it is composed of carbonates, chiefly dolomite, with some limestone. There are also cherty inclusions as well as thin beds of sandstone.
Cambrian Ohio, in the Paleozoic Era. Pages in category "Cambrian Ohio" The following 4 pages are in this category, out of 4 total. This list may not reflect recent ...
Southeastern Ohio was a swamp-covered coastal plain. [4] Ferns and horsetails were among the state's rich flora. [3] Ohio was only about 5 degrees north of the equator. Sand and mud deposited on local river deltas gradually filled in the swamp. Later in the Permian Ohio was subjected to geologic uplift and its sediments were eroded away ...
The Franconia Formation is a geologic formation in the upper mid-western United States, with outcroppings found in Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Ohio, and Wisconsin. [1] It preserves fossils dating back to the Cambrian period.
Pages in category "Geology of Ohio" The following 19 pages are in this category, out of 19 total. This list may not reflect recent changes. ...