Tomstown Dolomite

Updated on Jan 01, 2025

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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.

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