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National Geologic Map Database

Geologic Unit: Milesburg

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 usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).