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Rock Formations

Measure

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Topo

Ecoregions

Public Lands

...

BASEMAPS

Default Weather

Temperature

Smoke

...

WEATHER

Newark Supergroup, Dan River Group; Cow Branch Formation (NCTRdc;9)

Geologic Formation in NC, VA

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Lithology

Mudstone

Sandstone

Geologic Age

Triassic (252.23 Ma – 201.5 Ma ago)

Geologic Unit Label

TRdc

Mudstone with minor sandstone, gray, laterally-continuous bedding. Intertongues with Stoneville and Pine Hall formations.

— USGS

Taxonomy

Classified As

Geologic Formation

Newark Supergroup, Dan River Group; Cow Branch Formation (NCTRdc;9)

Newark Supergroup, Dan River Group; Cow Branch Formation (NCTRdc;9)

Newark Supergroup, Dan River Group; Cow Branch Formation (NCTRdc;9)