Copper Ridge Dolomite (ALCAcr;5)

Copper Ridge Dolomite

Light-gray finely to coarsely crystalline, thick-bedded siliceous dolomite; characterized by abundant stromatolitic chert. Mapped seperately only in the Birmingham anticlinorium where overlying units within the Knox Group are absent beneath the post-Knox unconformity.

State	Alabama
Name	Copper Ridge Dolomite
Geologic age	Cambrian
Lithologic constituents	Major Sedimentary > Chemical > Chert (Bed)characterized by abundant stromatolitic chert Sedimentary > Carbonate > Dolostone (Bed)light-gray finely to coarsely crystalline, thick-bedded siliceous dolomite
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.
NGMDB product	NGMDB product page for 55859
Counties	Bibb - Jefferson - Tuscaloosa

Copper Ridge Dolomite

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.