Geologic Unit: Rodman
Rodman Member of Nealmont Formation (PA*)
Rodman Formation (PA)
Exposures at Rodman Station, Blair Co., central PA (Butts, 1918).
Unit Name History:
Named Rodman Limestone (Butts, 1918).
Revised to member of Nealmont Formation (Rones, 1969).
Rank raised to formation (Faill and others, 1977).
USGS usage, is member of Nealmont (Wood, 1980).
PA State Geol. Map usage, is member of Nealmont (Berg, 1980).
Overview as formation (Faill and others, 1989).
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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