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National Geologic Map Database
Geologic Unit: Pocono
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Map showing publication footprint
  • Usage in publication:
    • Pocono Formation
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Appalachian basin
Publication:

Swartz, F.M., 1965, Guide to the Horse Shoe curve section between Altoona and Gallitzin, central Pennsylvania: Pennsylvania Geological Survey Bulletin, 4th series, G-50, 58 p.


Summary:

Pg. 20, 21. Pocono Formation. A.D. Leonard (unpub. thesis) termed the upper and lower divisions of the Pocono at Jim Thorpe, Bear Mountain Member and Silkmill Run Member, respectively. These members likewise were found in ridges along the rim of the Northern Anthracite Field in central Pennsylvania, where they are overlain by a body of calcareous sandstone designated Abrahams Creek Member. Age is Mississippian.
Area of report is Horse Shoe curve, between Altoona and Gallitzin, [Altoona 15-min quadrangle], Blair Co., central PA.

Source: US geologic names lexicon (USGS Bull. 1350, p. 5, 51-52, 693).


Map showing publication footprint
  • Usage in publication:
    • Pocono Formation
  • Modifications:
    • Areal extent
  • AAPG geologic province:
    • Appalachian basin
Publication:

Brezinski, D.K., 1989, The Mississippian System in Maryland: Maryland Geological Survey Report of Investigations, no. 52, 75 p.


Summary:

Author proposes herein that Rockwell and Purslane Formations be used instead of Pocono in MD, as strata bear little resemblance to type Pocono.

Source: GNU records (USGS DDS-6; Reston GNULEX).


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 ([ ]).