Geologic units in Greene county, Georgia

Biotite Granite Gneiss/ Feldspathic Biotite Gneiss/ Amphibolite Hornblende Gneiss (Precambrian-Paleozoic) at surface, covers 28 % of this area

Biotite Granite Gneiss/ Feldspathic Biotite Gneiss/ Amphibolite Hornblende Gneiss

Porphyritic granite (Precambrian-Paleozoic) at surface, covers 25 % of this area

Porphyritic granite

Granite Gneiss/ Amphibolite (Precambrian-Paleozoic) at surface, covers 16 % of this area

Granite Gneiss/ Amphibolite

Biotite Gneiss/ Feldspathic Biotite Gneiss (Precambrian-Paleozoic) at surface, covers 6 % of this area

Biotite Gneiss/ Feldspathic Biotite Gneiss

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

Biotite gneiss

Biotitic Gneiss / Amphibolite (Precambrian-Paleozoic) at surface, covers 4 % of this area

Biotitic Gneiss / Amphibolite

Granite undifferentiated (Precambrian-Paleozoic) at surface, covers 4 % of this area

Granite undifferentiated

Granite Gneiss/ Granite (Precambrian-Paleozoic) at surface, covers 3 % of this area

Granite Gneiss/ Granite

Amphibolite/ Epidote Quartzite/ Granite Gneiss (Precambrian-Paleozoic) at surface, covers 2 % of this area

Amphibolite/ Epidote Quartzite/ Granite Gneiss

Hornblende Gneiss/ Amphibolite/ Granite Gneiss (Precambrian-Paleozoic) at surface, covers 2 % of this area

Hornblende Gneiss/ Amphibolite/ Granite Gneiss

Granite/ gneissic biotite granite (Precambrian-Paleozoic) at surface, covers 2 % of this area

Granite/ gneissic biotite granite

Granite/ granite gneiss (Precambrian-Paleozoic) at surface, covers 2 % of this area

Granite/ granite gneiss

Gabbro (Precambrian-Paleozoic) at surface, covers 1 % of this area

Gabbro

Granitic Gneiss undifferentiated (Precambrian-Paleozoic) at surface, covers 0.8 % of this area

Granitic Gneiss undifferentiated

Ultramafic rocks undifferentiated (Precambrian-Paleozoic) at surface, covers < 0.1 % of this area

Ultramafic rocks undifferentiated

Sericite Schist/ Micaceous Quartzite/ Sericite Phyllite (Precambrian-Paleozoic) at surface, covers < 0.1 % of this area

Sericite Schist/ Micaceous Quartzite/ Sericite Phyllite

Undifferentiated Metavolcanics/ Sericite phyllite/ Meta-argillite/ Quartz mica schist (Precambrian-Paleozoic) at surface, covers < 0.1 % of this area

Undifferentiated Metavolcanics/ Sericite phyllite/ Meta-argillite/ Quartz mica schist