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

Geologic units in Spartanburg county, South Carolina

[Additional scientific data in this geographic area]

Gneissic granite of Greenville (Paleozoic) at surface, covers 0.3 % of this area

Gneissic granite of Greenville: granite gneiss

Lithology: granitic gneiss

Enoree melange, Cedar Shoals gneiss and Cross Anchor mafic complex (undetermined) at surface, covers 0.5 % of this area

Enoree melange, Cedar Shoals gneiss and Cross Anchor mafic complex: Cedar Shoals gneiss is biotite-quartz-feldspar gneiss interpreted as metagraywacke; interlayered felsic gneiss interpreted as metavolcanic rock.

Lithology: gneiss

Migmatitic granitoid gneiss (Ordovician) at surface, covers 5 % of this area

Migmatitic granitoid gneiss: variably foliated, variably migmatitic, and granitic to quartz dioritic in composition

Lithology: granitic gneiss

Amphibolite and interlayered biotite gneiss, hornblende gneiss and minor mica schist (Cambrian or Neoproterozoic) at surface, covers 4 % of this area

Amphibolite and interlayered gneiss, hornblende gneiss and minor mica schist

Lithology: amphibolite; gneiss; schist

Hammett Grove Meta-igneous Suite - ultramafic rocks (Paleozoic or Neoproterozoic) at surface, covers 0.1 % of this area

Hammett Grove Meta-igneous Suite - ultramafic rocks: metamorphosed ultramafic rocks: hornblendite, pyroxenite, serpentinite and talc schist

Lithology: ultramafic intrusive rock; hornblendite; pyroxenite; serpentinite; schist

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

Ultramafic rock

Lithology: ultramafic intrusive rock

Pacolet granite (Devonian) at surface, covers 3 % of this area

Pacolet granite

Lithology: granite

Sillimanite schist and sillimanite-mica schist (Cambrian or Neoproterozoic) at surface, covers 10 % of this area

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

Lithology: schist

Metamorphosed granite and granodiorite (Cambrian or Neoproterozoic) at surface, covers 0.5 % of this area

Metamorphosed granite and granodiorite

Lithology: granite; granodiorite

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 6 % of this area

Reedy River complex: gneissic biotite granite to granodiorite

Lithology: granitic gneiss

Granite (Carboniferous to Permian) at surface, covers 0.1 % of this area

Granite

Lithology: granite

Megacrystic biotite gneiss (Cambrian or Neoproterozoic) at surface, covers 7 % of this area

Megacrystic biotite gneiss: variably layered biotite-quartz-feldspar gneiss having porphyroclasts and/or porphyroblasts of plagioclase and locally of quartz and potassium feldspar

Lithology: biotite gneiss

Gneiss of Laurens area (Cambrian or Neoproterozoic) at surface, covers 17 % of this area

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

Lithology: gneiss

Battleground Formation, Felsic metavolcanic rocks (Neoproterozoic) at surface, covers 0.6 % of this area

Battleground Formation, Felsic metavolcanic rocks

Lithology: felsic metavolcanic rock

Migmatitic Granitic Gneiss (Ordovician/Cambrian) at surface, covers < 0.1 % of this area

Migmatitic Granitic Gneiss - foliated to massive, granitic to quartz dioritic; biotite gneiss and amphibolite common.

Lithology: granitic gneiss; biotite gneiss; amphibolite

Biotite gneiss and muscovite-biotite gneiss (Cambrian or Neoproterozoic) at surface, covers 30 % of this area

Biotite gneiss and muscovite-biotite gneiss: layered biotite-quartz-feldspar gneiss

Lithology: biotite gneiss

Toluca Granite and associated metagranites (Ordovician) at surface, covers 0.5 % of this area

Toluca Granite and associated metagranites: weakly to strongly foliated, garnet-bearing, metamorphosed monzogranite to granodiorite; ranges from equigranular and medium-grained to inequigranular having coarse microcline megacrysts

Lithology: granitic gneiss

Inequigranular Biotite Gneiss (Cambrian/Late Proterozoic) at surface, covers < 0.1 % of this area

Inequigranular Biotite Gneiss - weakly foliated to massive, contains plagioclase megacrysts and, rarely, larger megacrysts of quartz and feldspar.

Lithology: biotite gneiss

Gray Court metagranite (Devonian) at surface, covers 0.3 % of this area

Gray Court metagranite: foliated, medium-grained, equigranular to porphyritic biotite granite

Lithology: granite

Battleground Formation, Mafic to intermediate metavolcanic rocks (Neoproterozoic) at surface, covers 1 % of this area

Battleground Formation, Mafic to intermediate metavolcanic rocks

Lithology: mafic metavolcanic rock

Mica Schist (Cambrian/Late Proterozoic) at surface, covers < 0.1 % of this area

Mica Schist - Garnet, staurolite, kyanite, or sillimanite occur locally; lenses and layers of quartz schist, micaceous quartzite, calc-silicate rock, biotite gneiss, amphibolite, and phyllite.

Lithology: mica schist; quartzite; calc-silicate rock; biotite gneiss; amphibolite; phyllite

Sillimanite-mica schist and muscovite-biotite schist (Cambrian or Neoproterozoic) at surface, covers 11 % 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

Battleground Formation, Metasedimentary rocks, undivided (Neoproterozoic) at surface, covers 1 % of this area

Battleground Formation, Metasedimentary rocks, undivided: quartz-sericite schist/phyllite and interlayered quartzite, quartz-pebble conglomerate, high-alumina quartzite, and manganiferous schist

Lithology: schist; phyllite; quartzite; conglomerate