Tuscarora Creek Member of Manassas Sandstone of Culpeper Group of Newark Supergroup (MD*)
Late Triassic (late Carnian)*
Type section: exposures on MD State Route 28, 0.8 km (0.5 mi) S. 35 deg. E. of the bridge over Tuscarora Creek, Buckeystown quadrangle, Frederick Co., MD (Lee, 1979).
Piedmont-Blue Ridge province*
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