Tomstown Dolomite

The Tomstown Dolomite or Tomstown Formation is a geologic formation in Maryland, Pennsylvania, Virginia and West Virginia.[2][3][4] It preserves fossils dating to the Cambrian Period.

Tomstown Dolomite Stratigraphic range: Cambrian
Type	Formation
Underlies	Rome Group and Waynesboro Formation
Overlies	Antietam Formation and Chilhowee Group
Thickness	200 - 1000 feet
Lithology
Primary	dolomite
Other	Chert, limestone, shale
Location
Region	Appalachia, Mid-Atlantic United States, and Southeastern United States
Country	United States
Extent	Maryland, Pennsylvania, Virginia,[1] West Virginia

See also

• List of fossiliferous stratigraphic units in Maryland
• List of fossiliferous stratigraphic units in Pennsylvania
• List of fossiliferous stratigraphic units in Virginia
• List of fossiliferous stratigraphic units in West Virginia

References

1. Paleozoic Sedimentary Successions of the Virginia Valley & Ridge and Plateau
2. Tomstown Dolomite in Maryland
3. Tomstown Dolomite in Virginia
4. Tomstown Dolomite in West Virginia

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 22 June 2014.