Bibb Dolomite

Dark-gray thick-bedded siliceous dolomite; characterized by locally abundant chert containing irregular cavities.
State Alabama
Name Bibb Dolomite
Geologic age Cambrian
Lithologic constituents
Major
Sedimentary > Carbonate > Dolostone (Bed)siliceous dolomite
Minor
Sedimentary > Chemical > Chert (Bed)characterized by locally abundant chert containing irregular cavities.
References

Szabo, M.W., Osborne, E.W., Copeland, C.W. Jr., and Neathery, T.L., 1988, Geologic Map of Alabama, Geological Survey of Alabama Special Map 220, scale 1:250,000.

USGS Geologic Names lexicon found at: http://ngmdb.usgs.gov/Geolex/

https://ngmdb.usgs.gov/Geolex/search

NGMDB product
Counties Bibb - Chilton - Shelby