Geologic Unit: Sharpsville
Sharpsville Sandstone of Cuyahoga Group (OH*,PA*)
Sharpsville Sandstone Member of Cuyahoga Formation (OH,PA)
Sharpsville, Mercer Co., PA, where sandstone is quarried (White, 1880).
Unit Name History:
Named (White, 1880). Reduced to member rank (Shaw and others, 1911: USGS Geol. Atlas of the US, Foxburg folio, no. 178) [From US geologic names lexicon, USGS Bull. 896; synopsis not included here]. Raised to formation rank (Cushing and others, 1931). Overview (de Witt, 1946; Pepper and others, 1954). Age modified (de Witt, 1970). Revised (Dodge, 1992).
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Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.
"No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses ().
Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]).
U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
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Last modified: 15-Jan-2013