Puneet Varma (Editor)

Tomstown Dolomite

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Type
  
Formation

Thickness
  
200 - 1000 feet

Primary
  
Dolostone

Underlies
  
Waynesboro Formation

Country
  
United States

Overlies
  
Antietam Formation

Other
  
Chert, limestone, shale

Region
  
Maryland, Pennsylvania, Virginia, West Virginia

The Tomstown Dolomite or Tomstown Formation is a geologic formation in Maryland, Pennsylvania, Virginia and West Virginia. It preserves fossils dating to the Cambrian Period.

References

Tomstown Dolomite Wikipedia