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Geologic units in Spalding county, Georgia

Granite undifferentiated (Precambrian-Paleozoic) at surface, covers 38 % of this area

Granite undifferentiated

Biotitic Gneiss / Mica Schist/ Amphibolite (Precambrian-Paleozoic) at surface, covers 32 % of this area

Biotitic Gneiss / Mica Schist/ Amphibolite

Mica Schist/ Gneiss/ Amphibolite (Precambrian-Paleozoic) at surface, covers 24 % of this area

Mica Schist/ Gneiss/ Amphibolite

Sillimanite Schist (Precambrian-Paleozoic) at surface, covers 4 % of this area

Sillimanite Schist

Amphibolite (Precambrian-Paleozoic) at surface, covers 1.0 % of this area

Amphibolite

Biotite Gneiss/ Feldspathic Biotite Gneiss (Precambrian-Paleozoic) at surface, covers 0.4 % of this area

Biotite Gneiss/ Feldspathic Biotite Gneiss