U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Bear Mountain

Usage:

No current usage.
(†Bear Mountain Member of Pocono Formation (PA) considered abandoned. Rocks reallocated to Rockwell Formation. See Rockwell.)


Geologic age:

Early Mississippian (Kinderhookian)


Type section, locality, area and/or origin of name:

Notable exposures on Horse Shoe curve, between Altoona and Gallitzin, [Altoona 15-min quadrangle], Blair Co., Northern Anthracite Field, central PA (Swartz, 1965).


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 ([ ]).