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

Geologic units in Elbert county, Georgia

Granite/ gneissic biotite granite (Precambrian-Paleozoic) at surface, covers 26 % of this area

Granite/ gneissic biotite granite

Lithology: granite

Sillimanite Schist/ Gneiss (Precambrian-Paleozoic) at surface, covers 19 % of this area

Sillimanite Schist/ Gneiss

Lithology: schist; gneiss

Little River Sequence, metasedimentary rocks (Cambrian or Neoproterozoic) at surface, covers < 0.1 % of this area

Little River Sequence, metasedimentary rocks: white-mica schist and phyllite, metatuff, quartz-muscovite schist, and minor quartzite

Lithology: mica schist; phyllite; metavolcanic rock; schist; quartzite

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

Granite undifferentiated

Lithology: granite

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

Sillimanite Schist/ Gneiss/ Amphibolite

Lithology: schist; gneiss; amphibolite

Gneissic granite of Antreville pluton (Silurian to Ordovician) at surface, covers < 0.1 % of this area

Gneissic granite of Antreville pluton: gneissic biotite granite to granodiorite

Lithology: granitic gneiss

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

Metadacite

Lithology: metavolcanic rock

Metamorphosed granitoid rocks, undivided (Paleozoic to Neoproterozoic) at surface, covers < 0.1 % of this area

Metamorphosed granitoid rocks, undivided

Lithology: granitoid

Biotite-plagioclase-quartz gneiss and biotite-muscovite schist (Cambrian or Neoproterozoic) at surface, covers < 0.1 % of this area

Biotite-plagioclase-quartz gneiss and biotite-muscovite schist: variably interlayered, containing subordinate layers of amphibolite and sillimanite-mica schist

Lithology: biotite gneiss; schist; amphibolite

Biotite Gneiss (Precambrian-Paleozoic) at surface, covers 0.2 % of this area

Biotite gneiss

Lithology: biotite gneiss

Biotite quartz-plagioclase gneiss (Paleozoic or Neoproterozoic) at surface, covers < 0.1 % of this area

Biotite quartz-plagioclase gneiss: biotite quartz-plagioclase gneiss with minor interlayers of amphibolite gneiss and mica schist

Lithology: biotite gneiss; amphibolite; schist

Undifferentiated Metavolcanics/ Sericite phyllite/ Meta-argillite/ Quartz mica schist (Precambrian-Paleozoic) at surface, covers 0.6 % of this area

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

Lithology: metavolcanic rock; phyllite; schist

Amphibolite/ Biotitic Gneiss/ Quartz Sericite Schist (Precambrian-Paleozoic) at surface, covers 17 % of this area

Amphibolite/ Biotitic Gneiss/ Quartz Sericite Schist

Lithology: amphibolite; biotite gneiss; schist

Mafic to intermediate metavolcanic rocks (Precambrian-Paleozoic) at surface, covers 0.2 % of this area

Mafic to intermediate metavolcanic rocks

Lithology: mafic metavolcanic rock; intermediate intrusive rock

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

Sillimanite Schist

Lithology: schist

Latimer complex of Griffin (1979) (Paleozoic or Neoproterozoic) at surface, covers < 0.1 % of this area

Latimer complex of Griffin (1979): metamorphosed mafic-ultramafic complex consisting mainly of mafic rocks including amphibolite, metagabbro, and greenstone metabasalt

Lithology: amphibolite; metamorphic rock; greenstone

Quartz Sericite Schist/ Biotitic Gneiss (Precambrian-Paleozoic) at surface, covers 1 % of this area

Quartz Sericite Schist/ Biotitic Gneiss

Lithology: schist; biotite gneiss

Biotite Gneiss/ Feldspathic Biotite Gneiss (Precambrian-Paleozoic) at surface, covers 2 % of this area

Biotite Gneiss/ Feldspathic Biotite Gneiss

Lithology: biotite gneiss; felsic gneiss

Gneissic granite of Starr (Silurian to Ordovician) at surface, covers < 0.1 % of this area

Gneissic granite of Starr: gneissic biotite granite to granodiorite of Starr pluton and nearby satellite plutons

Lithology: granitic gneiss

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

Amphibolite / gabbro

Lithology: amphibolite; gabbro

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

Mica Schist

Lithology: mica schist

Ultramafic rocks undifferentiated (Precambrian-Paleozoic) at surface, covers 2 % of this area

Ultramafic rocks undifferentiated

Lithology: ultramafic intrusive rock

Granitic Gneiss undifferentiated (Precambrian-Paleozoic) at surface, covers 0.4 % of this area

Granitic Gneiss undifferentiated

Lithology: granitic gneiss

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

Felsic Metavolcanics

Lithology: felsic metavolcanic rock

Granite/ biotite granite/ amphibolite (Precambrian-Paleozoic) at surface, covers 0.5 % of this area

Granite/ biotite granite/ amphibolite

Lithology: granite; amphibolite

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

Biotitic Gneiss / Mica Schist/ Amphibolite

Lithology: biotite gneiss; mica schist; amphibolite