Usage:
Milesburg Member of Coburn Formation (PA)
Geologic age:
Middle Ordovician
Type section, locality, area and/or origin of name:
Type section: about 9,750 ft west of Long. 77 deg. 45 min. W., and 1,250 ft north of Lat. 40 deg. 55 min. N., in Bellefonte quadrangle. Exposure is on northern edge of town of Bellefonte in cut along eastern side of Route 53 that leads to Milesburg, Centre Co., PA (Thompson, 1963).
AAPG geologic province:
Appalachian basin
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).