Pottsville Formation
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The Pennsylvanian Pottsville Formation (φp) is a mapped bedrock unit in eastern Pennsylvania, western Maryland and West Virginia. It is a major ridge-former In the Ridge-and-Valley Appalachians of the eastern United States[1]
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[edit] Description
The carboniferous Pottsville Formation consists of a gray conglomerate, fine to coarse grained and is known to contain sandstone, siltstone and shale, as well as anthracite coal.[2] It is considered a classic orogenic molasse.[3]
[edit] Age
Relative age dating of the Pottsville places it in the Pennsylvanian period.
[edit] Members
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- Connoquenessing sandstone
[edit] References
- ^ 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 : Pottsville (Pp). LEO EnviroSci Inquiry. Lehigh University. Retrieved on 2008-03-16.
- ^ Robinson, R.A.J.; Prave, A.R. (1995). "Cratonal contributions to a" classic" molasse; the Carboniferous Pottsville Formation of eastern Pennsylvania revisited". Geology 23 (4): 369-372. “The Carboniferous Pottsville Formation of eastern Pennsylvania in the central Appalachian foreland basin is considered a classic orogenic molasse …”
