Rockdale Run Formation

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Rockdale Run Formation
Stratigraphic range: Lower Ordovician
File:Tubular passage (Skyline Caverns, Front Royal, Virginia, USA) (28378186022).jpg
Rockdale Run Formation in Skyline Caverns, Virginia
TypeFormation
Unit ofBeekmantown Group
UnderliesPinesburg Station Dolomite
OverliesStonehenge Limestone
Thickness2450 ft[1]
Lithology
PrimaryLimestone
Otherdolomite, chert
Location
RegionMaryland, Pennsylvania, Virginia[2] and West Virginia
CountryUnited States

The Rockdale Run Formation is a geologic formation in Maryland, Pennsylvania, Virginia and West Virginia.[1] It preserves fossils dating back to the Ordovician period.

See also

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References

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  1. ^ a b Geologic Unit: Rockdale Run, USGS
  2. ^ Paleozoic Sedimentary Successions of the Virginia Valley & Ridge and Plateau
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