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| Cherry Ridge Shale | |
|---|---|
| Stratigraphic range: Devonian | |
| Type | Formation |
| Location | |
| Region |  Pennsylvania |
| Country |  United States |
The Cherry Ridge Shale is a geologic formation in Pennsylvania. It preserves fossils dating back to the Devonian period.
The Conemaugh Group is a geologic group in West Virginia, Pennsylvania, Ohio, and Maryland. It preserves fossils dating back to the Carboniferous period.
The Williamsport Sandstone is a sandstone geologic formation in West Virginia, Virginia, Pennsylvania, and Maryland. The formation includes the Cedar Creek Limestone member. Near Cumberland, Maryland it includes the Cedar Creek Limestone member. It preserves fossils dating back to the Silurian period.
The Oranda Formation is a geologic formation in Virginia. It preserves fossils dating back to the Ordovician period.
The Rockdale Run Formation is a geologic formation in Maryland, Pennsylvania, Virginia and West Virginia. It preserves fossils dating back to the Ordovician period.
The Sonyea Group is a geologic group in the northern part of the Appalachian Basin. It preserves fossils dating back to the Devonian period.
The Susquehanna Group is a geologic group in Pennsylvania. It preserves fossils dating back to the Devonian period.
The Canadaway Group is a geologic group in Pennsylvania. It preserves fossils dating back to the Devonian period.
The Venango Formation is a geologic formation in Pennsylvania. It preserves fossils dating back to the Devonian period.
The Cussewago Formation is a geologic formation in Pennsylvania. It preserves fossils dating back to the Devonian period.
The Delaware River Formation is a geologic formation in Pennsylvania and New York (state). It preserves fossils dating back to the Devonian period.
The Canaseraga Formation is a geologic formation in Pennsylvania. It preserves fossils dating back to the Devonian period.
The Cuba Formation is a geologic formation in New York (state) and Pennsylvania. It preserves fossils dating back to the Famennian age.
The Java Formation is a geologic formation in Kentucky, New York, Ohio, Pennsylvania, Tennessee, Virginia, West Virginia. It preserves fossils dating back to the Devonian period. The formation comprises the Pipe Creek Shale, Wiscoy Sandstone Member in New York, and Hanover Shale Member except in Tennessee.
The Machias Formation is a geologic formation in Pennsylvania. It preserves fossils dating back to the Devonian period.
The Rushford Formation is a geologic formation in Pennsylvania. It preserves fossils dating back to the Devonian period.
The Kinzers Formation is a geologic formation in Pennsylvania. It preserves fossils dating back to the Cambrian Period.
The Pleasant Hill Limestone is a geologic formation in Pennsylvania. It preserves fossils dating back to the Cambrian period.
The Vintage Dolomite is a geologic formation in Pennsylvania. It preserves fossils dating back to the Cambrian period.
The Conemaugh Formation is a geologic formation in Pennsylvania. It preserves fossils dating back to the Carboniferous period.
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