Stratigraphy and characteristic mollusks of the Pamunkey Group (lower Tertiary) and the Old Church Formation of the Chesapeake Group; Virginia Coastal Plain

Piney Point Formation

Piney Point Formation

Chesapeake Group

The Chesapeake Group is a geologic group in Maryland, Virginia, Delaware, and North Carolina.

Old Church Formation

The Old Church Formation is a geologic formation in Virginia and possibly Maryland. It preserves fossils dating back to the Rupelian Stage of the Oligocene epoch of the…