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Mineral Resources > Online Spatial Data > Geology > by state > Georgia Geology

Geologic units in Hall county, Georgia

[Additional scientific data in this geographic area]

Biotitic Gneiss / Mica Schist/ Amphibolite (Precambrian-Paleozoic) at surface, covers 41 % of this area

Biotitic Gneiss / Mica Schist/ Amphibolite

Lithology: biotite gneiss; mica schist; amphibolite

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

Quartzite

Lithology: quartzite

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

Granitic Gneiss undifferentiated

Lithology: granitic gneiss

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

Sericite Schist/ Amphibolite

Lithology: schist; amphibolite

Metagraywacke/ Mica Schist (Precambrian-Paleozoic) at surface, covers 24 % of this area

Metagraywacke/ Mica Schist

Lithology: metasedimentary rock; mica schist

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

Mica Schist/ Gneiss/ Amphibolite

Lithology: mica schist; gneiss; amphibolite

Mica Schist/ Quartzite/ Gneiss/ Amphibolite (Precambrian-Paleozoic) at surface, covers 7 % of this area

Mica Schist/ Quartzite/ Gneiss/ Amphibolite

Lithology: mica schist; quartzite; gneiss; amphibolite

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

Amphibolite

Lithology: amphibolite

Mylonite and ultramylonite (Age not given) at surface, covers 1 % of this area

Mylonite and ultramylonite

Lithology: mylonite

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

Granite undifferentiated

Lithology: granite

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

Calcareous mica schist/ Micaceous marble/ Mica schist

Lithology: mica schist; marble