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Geologic units in Forsyth county, Georgia

Additional scientific data in this geographic area

Biotitic Gneiss / Mica Schist/ Amphibolite (Precambrian-Paleozoic) at surface, covers 75 % of this area

Biotitic Gneiss / Mica Schist/ Amphibolite

Aluminous Schist (Precambrian-Paleozoic) at surface, covers 8 % of this area

Aluminous Schist

Quartzite (Precambrian-Paleozoic) at surface, covers 6 % of this area

Quartzite

Amphibolite (Precambrian-Paleozoic) at surface, covers 3 % of this area

Amphibolite

Granitic Gneiss undifferentiated (Precambrian-Paleozoic) at surface, covers 3 % of this area

Granitic Gneiss undifferentiated

Mica Schist/ Amphibolite (Precambrian-Paleozoic) at surface, covers 2 % of this area

Mica Schist/ Amphibolite

Biotite Gneiss (Precambrian-Paleozoic) at surface, covers 2 % of this area

Biotite gneiss

Mylonite and ultramylonite (Age uncertain) at surface, covers 0.8 % of this area

Mylonite and ultramylonite

Mica Schist (Precambrian-Paleozoic) at surface, covers 0.2 % of this area

Mica Schist

Mica Schist/ Gneiss (Precambrian-Paleozoic) at surface, covers < 0.1 % of this area

Mica Schist/ Gneiss