Hatchet Creek Group; Hanover Schist (ALhch;7)

Hatchet Creek Group; Hanover Schist

Coarse to fine-grained feldspathic biotite-sericite-quartz-muscovite schist, commonly containing staurolite, garnet, and locally sillimanite in northeastern outcrop areas includes zones of aluminous graphite schist, hornblende quartzite, garnet quartzite, and rare amphibolite. Schist commonly retrograded to sericite-garnet-quartz schist. Numerous granitic pegmatites.

State	Alabama
Name	Hatchet Creek Group; Hanover Schist
Geologic age	Precambrian to Paleozoic
Lithologic constituents	Major Metamorphic > Schist > Mica-schistcoarse to fine-grained feldspathic biotite-sericite-quartz-muscovite schist, commonly containing staurolite, garnet, and locally sillimanite in northeastern outcrop areas includes zones of aluminous graphite schist; schist commonly retrograded to sericit Minor Metamorphic > Metasedimentary > Metaclastic > Quartzitehornblende quartzite, garnet quartzite Incidental Igneous > Plutonic > Granitic > Leucocratic-granitic > PegmatiteNumerous granitic pegmatites. Metamorphic > 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	NGMDB product page for 55859
Counties	Coosa

Hatchet Creek Group; Hanover Schist

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.