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Geologic units in Hall county, Georgia

Additional scientific data in this geographic area

Biotitic Gneiss / Mica Schist/ Amphibolite (Precambrian-Paleozoic) at surface, covers 46 % of this area

Biotitic Gneiss / Mica Schist/ Amphibolite

Metagraywacke/ Mica Schist (Precambrian-Paleozoic) at surface, covers 27 % of this area

Metagraywacke/ Mica Schist

Mica Schist/ Quartzite/ Gneiss/ Amphibolite (Precambrian-Paleozoic) at surface, covers 8 % of this area

Mica Schist/ Quartzite/ Gneiss/ Amphibolite

Granitic Gneiss undifferentiated (Precambrian-Paleozoic) at surface, covers 6 % of this area

Granitic Gneiss undifferentiated

Mica Schist/ Gneiss/ Amphibolite (Precambrian-Paleozoic) at surface, covers 5 % of this area

Mica Schist/ Gneiss/ Amphibolite

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

Sericite Schist/ Amphibolite

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

Mylonite and ultramylonite

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

Granite undifferentiated

Amphibolite (Precambrian-Paleozoic) at surface, covers 0.8 % of this area

Amphibolite

Quartzite (Precambrian-Paleozoic) at surface, covers 0.5 % of this area

Quartzite

Calcareous mica schist/ Micaceous marble/ Mica schist (Precambrian-Paleozoic) at surface, covers 0.1 % of this area

Calcareous mica schist/ Micaceous marble/ Mica schist