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Mineral Resources > Online Spatial Data > Geology > by state > South Carolina Geology

Geologic units in Greenwood county, South Carolina

Metamorphosed granitoid rocks, undivided (Paleozoic to Neoproterozoic) at surface, covers 31 % of this area

Metamorphosed granitoid rocks, undivided

Lithology: granitoid

Biotite quartz-plagioclase gneiss (Paleozoic or Neoproterozoic) at surface, covers 25 % 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

Gabbro- McCormick pluton (Devonian to Silurian) at surface, covers 0.4 % of this area

Gabbro- McCormick pluton

Lithology: gabbro

Richtex Formation (Ordovician to Middle Cambrian) at surface, covers 0.7 % of this area

Richtex Formation: laminated metamudstone; contains Middle Cambrian or younger sponge spicules

Lithology: metasedimentary rock

Amphibolite and amphibolite gneiss (Paleozoic to Neoproterozoic) at surface, covers 0.1 % of this area

Amphibolite and amphibolite gneiss

Lithology: amphibolite; gneiss

Metagabbro and minor metadiorite (Middle Paleozoic to Neoproterozoic) at surface, covers 0.1 % of this area

Metagabbro and minor metadiorite

Lithology: gabbro

Reedy River complex (Paleozoic) at surface, covers 3 % of this area

Reedy River complex: gneissic biotite granite to granodiorite

Lithology: granitic gneiss

Diorite (undetermined) at surface, covers 1 % of this area

Diorite: includes unmetamorphosed, undeformed biotite-hornblende diorite

Lithology: diorite

Ultramafic rock (Paleozoic or Neoproterozoic) at surface, covers < 0.1 % of this area

Ultramafic rock

Lithology: ultramafic intrusive rock

Little River Sequence, metasedimentary rocks (Cambrian or Neoproterozoic) at surface, covers 0.9 % 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- Coronaca pluton (Carboniferous to Permian) at surface, covers 4 % of this area

Granite- Coronaca pluton

Lithology: granite

Sillimanite-mica schist and muscovite-biotite schist (Cambrian or Neoproterozoic) at surface, covers 0.4 % of this area

Sillimanite-mica schist and muscovite-biotite schist: thin to thick layered sillimanite-mica schist and sillimanite-bearing muscovite-biotite schist

Lithology: mica schist

Mylonite gneiss (Late Paleozoic) at surface, covers 5 % of this area

Mylonite gneiss

Lithology: mylonite

Phyllonite and phyllonitic schist (Late Paleozoic) at surface, covers < 0.1 % of this area

Phyllonite and phyllonitic schist

Lithology: phyllonite; schist

Gabbro- Greenwood pluton (Devonian to Silurian) at surface, covers 4 % of this area

Gabbro- Greenwood pluton

Lithology: gabbro

Newberry granite (Silurian) at surface, covers 0.4 % of this area

Newberry granite

Lithology: granite

Gabbro of Concord Plutonic Suite (Devonian to Silurian) at surface, covers 0.9 % of this area

Gabbro of Concord Plutonic Suite

Lithology: gabbro

Gneiss of Laurens area (Cambrian or Neoproterozoic) at surface, covers 4 % of this area

Gneiss of Laurens area: biotite-quartz-plagioclase gneiss and interlayers locally containing hornblende, sillimanite, microcline, and muscovite

Lithology: gneiss

Granite (Carboniferous to Permian) at surface, covers 0.2 % of this area

Granite

Lithology: granite

Persimmon Fork Formation (Cambrian to Neoproterozoic) at surface, covers 19 % of this area

Persimmon Fork Formation: predominately metatuff

Lithology: metavolcanic rock