Rockdale Run Formation

Rockdale Run Formation
Stratigraphic range: Lower Ordovician
Type Formation
Unit of Beekmantown Group
Underlies Pinesburg Station Dolomite
Overlies Stonehenge Limestone
Thickness 2450 ft[1]
Lithology
Primary Limestone
Other Dolomite, chert
Location
Region Maryland, Pennsylvania, Virginia[2] and West Virginia
Country United 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

References

  1. 1 2 Geologic Unit: Rockdale Run, USGS
  2. ↑ Paleozoic Sedimentary Successions of the Virginia Valley & Ridge and Plateau
  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 22 June 2014.


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