Patapsco Formation
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The Patapsco Formation is a geologic formation of varigated clays, sandy clays, and sand in Virginia, the District of Columbia, Maryland, Delaware, Pennsylvania, and in the subsurface of New Jersey. It preserves fossils such as plants and molluscs dating back to the Cretaceous period.
See also
- List of fossiliferous stratigraphic units in Virginia
- List of fossiliferous stratigraphic units in Maryland
- Paleontology in Virginia
- Paleontology in Maryland
- Various Contributors to the Paleobiology Database. . Archived from on 19 August 2022.