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

Geologic units in Franklin county, Georgia

[Additional scientific data in this geographic area]

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

Sillimanite Schist

Lithology: schist

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

Amphibolitic Schist

Lithology: amphibole schist

Biotite Gneiss/ Feldspathic Biotite Gneiss (Precambrian-Paleozoic) at surface, covers 0.1 % of this area

Biotite Gneiss/ Feldspathic Biotite Gneiss

Lithology: biotite gneiss; felsic gneiss

Granitic Gneiss undifferentiated (Precambrian-Paleozoic) at surface, covers 8 % of this area

Granitic Gneiss undifferentiated

Lithology: granitic gneiss

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

Hornblende Gneiss

Lithology: gneiss

Biotitic Gneiss / Mica Schist/ Amphibolite (Precambrian-Paleozoic) at surface, covers 15 % of this area

Biotitic Gneiss / Mica Schist/ Amphibolite

Lithology: biotite gneiss; mica schist; amphibolite

Biotite Granite Gneiss/ Feldspathic Biotite Gneiss/ Amphibolite Hornblende Gneiss (Precambrian-Paleozoic) at surface, covers 0.1 % of this area

Biotite Granite Gneiss/ Feldspathic Biotite Gneiss/ Amphibolite Hornblende Gneiss

Lithology: granitic gneiss; biotite gneiss; amphibolite

Granite/ granite gneiss (Precambrian-Paleozoic) at surface, covers 0.4 % of this area

Granite/ granite gneiss

Lithology: granite; granitic gneiss

Biotitic Gneiss Undifferentiated (Precambrian-Paleozoic) at surface, covers 1.0 % of this area

Biotitic Gneiss Undifferentiated

Lithology: biotite gneiss

Wallhalla metamorphic suite (Cambrian or Neoproterozoic) at surface, covers 0.2 % of this area

Wallhalla metamorphic suite: predominately hornblende-plagioclase gneiss and amphibolite, locally having interlayers of biotite-quartz-feldspar gneiss, undivided

Lithology: mafic gneiss; amphibolite

Biotite Gneiss/ Amphibolite (Age not given) at surface, covers 16 % of this area

Biotite Gneiss/ Amphibolite

Lithology: biotite gneiss; amphibolite

Sillimanite Schist/ Gneiss/ Amphibolite (Precambrian-Paleozoic) at surface, covers 10 % of this area

Sillimanite Schist/ Gneiss/ Amphibolite

Lithology: schist; gneiss; amphibolite

Hornblende Gneiss/ Amphibolite (Precambrian-Paleozoic) at surface, covers 42 % of this area

Hornblende Gneiss/ Amphibolite

Lithology: gneiss; amphibolite