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Geologic units in Anderson county, South Carolina

Additional scientific data in this geographic area

Biotite-plagioclase-quartz gneiss and biotite-muscovite schist (Cambrian or Neoproterozoic) at surface, covers 53 % of this area

Variably interlayered, containing subordinate layers of amphibolite and sillimanite-mica schist

Gneissic granite of Starr (Silurian to Ordovician) at surface, covers 20 % of this area

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

Migmatitic granitoid gneiss (Ordovician) at surface, covers 15 % of this area

Variably foliated, variably migmatitic, and granitic to quartz dioritic in composition

Sillimanite schist and sillimanite-mica schist (Cambrian or Neoproterozoic) at surface, covers 6 % of this area

Sillimanite-rich aluminous schist composed mainly of sillimanite, biotite, muscovite, and minor quartz

Anderson metagabbro (Paleozoic) at surface, covers 2 % of this area

Anderson metagabbro

Gneissic granite of Greenville (Paleozoic) at surface, covers 2 % of this area

Granite gneiss

Gneissic granite of Antreville pluton (Silurian to Ordovician) at surface, covers 0.6 % of this area

Gneissic biotite granite to granodiorite

Reedy River complex (Paleozoic) at surface, covers 0.4 % of this area

Gneissic biotite granite to granodiorite

Gneiss of Laurens area (Cambrian or Neoproterozoic) at surface, covers 0.3 % of this area

Biotite-quartz-plagioclase gneiss and interlayers locally containing hornblende, sillimanite, microcline, and muscovite