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Rock Formations

Measure

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Topo

Ecoregions

Public Lands

...

BASEMAPS

Default Weather

Temperature

Smoke

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WEATHER

Mahantango Formation (WVDmt;0)

Geologic Formation in WV, VA, MD

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Lithology

Other (424 mi²)

Geologic Age

Devonian (422.4 Ma – 359.3 Ma ago)

Geologic Unit Label

Dmt

(part of Millboro Shale) - thickly laminated marine shale, siltstone, very fine sandstone, and some limestone, with an occasional coral reef or biostrome. Contains the Clearville and Chaneysville Siltstone Members of Pennsylvania.

— USGS

Rhynchonellata CLASS

47 Observations

Anthozoan Fossil Anthozoa (class)

28 Observations

Rhipidomella GENUS

27 Observations

26 Observations

Macropleura GENUS

18 Observations

Taxonomy

Geographic Places

Geological Feature

Geologic Formation

Classified As

Geologic Formation

Mahantango Formation (WVDmt;0)

Mahantango Formation (WVDmt;0)

Mahantango Formation (WVDmt;0)