Usage:
Pocono Formation (PA*)
Pocono Sandstone (PA*)
(†Pocono not used by the MD, VA, and WV Geol. Surveys. Rocks reallocated to Price, Purslane, and Rockwell Formations. See also Price, Purslane, and Rockwell.)
Subunits:
GROUP STATUS (alphabetical): Hedges Shale (WV*), Knapp Formation (NY), Pinkerton Sandstone (WV*), Purslane Sandstone (MD*,WV*), Rockwell Formation (MD*,WV*).
FORMATION STATUS --all in PA: Beckville Member*, Benezette Limestone Member (local)*, Griswold Gap Member*, Mount Carbon Member, Spechty Kopf Member.
Geologic age:
Early Mississippian (Tournaisian; Kinderhookian to early Osagean)*
Type section, locality, area and/or origin of name:
Not designated. Later workers assume type area to be in Pocono Mountains, northeastern PA.
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 ([ ]).