Rockdale Run Formation
Rockdale Run Formation Stratigraphic range: Lower Ordovician | |
---|---|
Type | Formation |
Unit of | Beekmantown Group |
Underlies | |
Overlies | Stonehenge Limestone |
Thickness | 2450 ft[1] |
Lithology | |
Primary | Limestone |
Other | dolomite, chert |
Location | |
Region | Maryland, Pennsylvania, Virginia[2] and West Virginia |
Country | United States |
The Rockdale Run Formation is a geologic formation in Maryland, Pennsylvania, Virginia and West Virginia.[1] It preserves fossils dating back to the Ordovician period.
See also[]
- List of fossiliferous stratigraphic units in Maryland
- List of fossiliferous stratigraphic units in Pennsylvania
- List of fossiliferous stratigraphic units in Virginia
- List of fossiliferous stratigraphic units in West Virginia
References[]
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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Categories:
- Ordovician System of North America
- Ordovician Maryland
- Ordovician geology of Virginia
- Ordovician southern paleotemperate deposits
- Lower Ordovician Series
- Southern United States geologic formation stubs
- Virginia geography stubs