Pocono Formation
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The Mississippian Pocono Formation (Mp) is a mapped bedrock unit in Pennsylvania, Maryland, and West Virginia It is also known as the Pocono Group in Maryland and West Virginia),[1] and the upper part of the Pocono Formation is sometimes called the Burgoon Formation in Pennsylvania.[2] The Pocono is a major ridge-former In the Ridge-and-Valley Appalachians of the eastern United States[3]
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[edit] Description
The Pocono is a dominantly gray color with quartzitic medium to coarse-grained sandstones. The base of the Pocono Formation is marked by conglomerate.[4]
[edit] Age
Relative age dating of the Pocono places it in the lower Mississippian period. The lower boundary is with the Spetchy Kopf and Huntley Mountain Formations. In South-central Pennsylvania, the Pocono often interfingers with the Rockwell Formation.[5]
[edit] References
- ^ Geologic Maps of Maryland:
- ^ Van Diver, Bradford B. (1990). Roadside Geology of Pennsylvania. Missoula, Montana: Mountain Press Publishing Company, 83. ISBN 0-87842-227-7.
- ^ Kempler, Steve (2007-01-19). Geomorphology : Chapter 2 Plate T-12 : Folded Appalachians. NASA, Goddard Earth Sciences (GES), Data and Information Services Center (DISC). Retrieved on 2008-03-16. “The major ridge makers are the Tuscarora (T), Pocono (Po), and Pottsville (Pt) Formations.”
- ^ Geology : Pocono (Mp). LEO EnviroSci Inquiry. Lehigh University. Retrieved on 2008-03-16.
- ^ Berg, T.M., Edmunds, W.E., Geyer, A.R. and others, compilers, (1980). Geologic Map of Pennsylvania: Pennsylvania Geologic Survey, Map 1, scale 1:250,000.
