Rockford Granite

Leucocratic granite, granodiorite, and trondhjemite; locally well foliated, numerous pegmatites. Includes unnamed granitoids in Chilton County.
State Alabama
Name Rockford Granite
Geologic age Precambrian to Paleozoic
Lithologic constituents
Igneous > Plutonic > Granitic > Leucocratic-granitic
Igneous > Plutonic > Granitic > Granodiorite
Igneous > Plutonic > Granitic > Tonalite > Trondhjemite
Igneous > Plutonic > Granitic > Leucocratic-granitic > Pegmatite

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:

NGMDB product
Counties Chilton - Clay - Coosa - Elmore