Pennsylvanian Subsystem
geology and stratigraphy
Learn about this topic in these articles:
place in geochronology
- In geochronology: Completion of the Phanerozoic time scale
…from Pennsylvania, were formalized as Pennsylvanian in 1891 by the paleontologist and stratigrapher Henry Shaler Williams.
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subdivisions of the Carboniferous System
- In Carboniferous Period: Pennsylvanian subsystem
The type region for the Pennsylvanian Subsystem is located in central West Virginia. There the interval is represented by the following groups or formations (ascending order): Pocahontas, New River, Kanawha, Charleston Sandstone, Conemaugh, Monongahela, and basal Dunkard. Other well-known Pennsylvanian units in North…
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