Bellefonte and Axemann Formations, undivided

Includes, in descending order, the Bellefonte (Obf) and Axemann (Oa) Formations.
State Pennsylvania
Name Bellefonte and Axemann Formations, undivided
Geologic age Ordovician
Lithologic constituents
Sedimentary > Carbonate > Dolostone (Bed)Obf: medium-bedded dolomite
Sedimentary > Carbonate > Limestone (Bed)Oa: medium-gray fossiliferous limestone
Sedimentary > Clastic > Sandstone (Bed)Obf

Berg, T.M., Edmunds, W.E., Geyer, A.R., and others, compilers, 1980, Geologic map of Pennsylvania: Pennsylvania Geological Survey, 4th ser., Map 1, 2nd ed., 3 sheets, scale 1:250,000.

Pennsylvania Bureau of Topographic and Geologic Survey, Department of Conservation and Natural Resources, Miles, C.E., and Whitfield, T.G., compilers, 2001, Bedrock Geology of Pennsylvania, edition: 1.0, digital map, scale 1:250,000.

NGMDB product
Counties Bedford - Blair - Centre - Huntingdon