Mitchell Dam Amphibolite

Dark-green to black fine to coarse-grained, thin-layered to massive hornblende-actinolite amphibolite; includes all amphibolite associated with the Higgins Ferry and Hatchet Creek Groups.
State Alabama
Name Mitchell Dam Amphibolite
Geologic age Precambrian to Paleozoic
Lithologic constituents
Major
Metamorphic > Amphibolite (Amphibolite)dark-green to black fine to coarse-grained, thin-layered to massive hornblende-actinolite amphibolite
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 Chilton - Clay - Coosa - Elmore