Usage:
No current usage.
(†Abrahams Creek 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 ([ ]).