Dadeville Complex; Rock Mills Granite Gneiss

Coarse to medium-grained biotite granite gneiss; locally includes thick bands of epidote and thin, small amphibolite bodies. Boundary between Rock Mills Granite Gneiss and Camp Hill Granite Gneiss arbitrarily defined.
State Alabama
Name Dadeville Complex; Rock Mills Granite Gneiss
Geologic age Precambrian to Paleozoic
Lithologic constituents
Major
Metamorphic > Gneiss > Biotite-gneisscoarse to medium-grained biotite granite gneiss
Minor
Metamorphic > Amphibolite (Amphibolite epidote-amphibolite)includes thick bands of epidote and thin, small amphibolite bodies.
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
Counties Chambers - Randolph - Tallapoosa