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Geologic units in Pike county, Georgia

Mica Schist/ Gneiss/ Amphibolite (Precambrian-Paleozoic) at surface, covers 34 % of this area

Mica Schist/ Gneiss/ Amphibolite

Granite undifferentiated (Precambrian-Paleozoic) at surface, covers 28 % of this area

Granite undifferentiated

Sillimanite Schist (Precambrian-Paleozoic) at surface, covers 14 % of this area

Sillimanite Schist

Mica Schist (Precambrian-Paleozoic) at surface, covers 10 % of this area

Mica Schist

Biotite Gneiss/ Feldspathic Biotite Gneiss (Precambrian-Paleozoic) at surface, covers 8 % of this area

Biotite Gneiss/ Feldspathic Biotite Gneiss

Quartzite (Precambrian-Paleozoic) at surface, covers 5 % of this area

Quartzite

Mylonite and ultramylonite (Age uncertain) at surface, covers 1 % of this area

Mylonite and ultramylonite

Granitic Gneiss undifferentiated (Precambrian-Paleozoic) at surface, covers 0.4 % of this area

Granitic Gneiss undifferentiated