Geologic units in Jasper county, Georgia

Hornblende Gneiss/ Amphibolite (Precambrian-Paleozoic) at surface, covers 37 % of this area

Hornblende Gneiss/ Amphibolite

Granite Gneiss/ Amphibolite (Precambrian-Paleozoic) at surface, covers 25 % of this area

Granite Gneiss/ Amphibolite

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

Biotitic Gneiss / Mica Schist/ Amphibolite

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

Biotite Gneiss/ Feldspathic Biotite Gneiss

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

Mica Schist/ Gneiss/ Amphibolite

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

Gabbro

Biotite Granite Gneiss/ Feldspathic Biotite Gneiss/ Amphibolite Hornblende Gneiss (Precambrian-Paleozoic) at surface, covers 4 % of this area

Biotite Granite Gneiss/ Feldspathic Biotite Gneiss/ Amphibolite Hornblende Gneiss

Mafic Hornfels (Precambrian-Paleozoic) at surface, covers 2 % of this area

Mafic Hornfels

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

Sillimanite Schist

Mica Schist (Precambrian-Paleozoic) at surface, covers 0.7 % of this area

Mica Schist

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

Granite undifferentiated

Flinty Crush Rock (Age uncertain) at surface, covers 0.2 % of this area

Flinty Crush Rock

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

Ultramafic rocks undifferentiated