Geologic units in Cherokee county, South Carolina

Biotite gneiss and muscovite-biotite gneiss (Cambrian or Neoproterozoic) at surface, covers 18 % of this area

Layered biotite-quartz-feldspar gneiss

Sillimanite-mica schist and muscovite-biotite schist (Cambrian or Neoproterozoic) at surface, covers 18 % of this area

Thin to thick layered sillimanite-mica schist and sillimanite-bearing muscovite-biotite schist

Battleground Formation, Mafic to intermediate metavolcanic rocks (Neoproterozoic) at surface, covers 14 % of this area

Battleground Formation, Mafic to intermediate metavolcanic rocks

Battleground Formation, Metasedimentary rocks, undivided (Neoproterozoic) at surface, covers 11 % of this area

Quartz-sericite schist/phyllite and interlayered quartzite, quartz-pebble conglomerate, high-alumina quartzite, and manganiferous schist

Granite - Bald Rock pluton (Carboniferous to Permian) at surface, covers 8 % of this area

Granite - Bald Rock pluton

Battleground Formation, Schistose to phyllitic volcaniclastic rocks (Neoproterozoic) at surface, covers 6 % of this area

Battleground Formation, Schistose to phyllitic volcaniclastic rocks

Blacksburg Formation (Neoproterozoic) at surface, covers 5 % of this area

Metamorphosed sedimentary sequence of interlayered sericite schist and phyllite, sericite quartzite, marble, amphibolite and calc-silicate rock

Battleground Formation, Felsic metavolcanic rocks (Neoproterozoic) at surface, covers 3 % of this area

Battleground Formation, Felsic metavolcanic rocks

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

Pacolet granite

Metatrondhjemite (Neoproterozoic) at surface, covers 3 % of this area

Metatrondhjemite

Granite - Cherryville pluton (Carboniferous to Permian) at surface, covers 3 % of this area

Granite - Cherryville pluton

Metamorphosed granite and granodiorite (Cambrian or Neoproterozoic) at surface, covers 2 % of this area

Metamorphosed granite and granodiorite

Metagabbro and minor metadiorite (Middle Paleozoic to Neoproterozoic) at surface, covers 2 % of this area

Metagabbro and minor metadiorite

Biotite metatonalite and granodiorite (Early Paleozoic-Neoproterozoic) at surface, covers 1 % of this area

Biotite metatonalite and granodiorite

Metatonalite (Neoproterozoic) at surface, covers 0.9 % of this area

Metamorphosed biotite tonalite and lesser amounts of hornblende tonalite, trondhjemite, and granodiorite

Toluca Granite and associated metagranites (Ordovician) at surface, covers 0.7 % of this area

Weakly to strongly foliated, garnet-bearing, metamorphosed monzogranite to granodiorite; ranges from equigranular and medium-grained to inequigranular having coarse microcline megacrysts

Amphibolite and interlayered biotite gneiss, hornblende gneiss and minor mica schist (Cambrian or Neoproterozoic) at surface, covers 0.5 % of this area

Amphibolite and interlayered gneiss, hornblende gneiss and minor mica schist

Amphibolite and amphibolite gneiss (Paleozoic to Neoproterozoic) at surface, covers 0.4 % of this area

Amphibolite and amphibolite gneiss

Hammett Grove Meta-igneous Suite - metagabbro (Paleozoic or Neoproterozoic) at surface, covers 0.2 % of this area

Hammett Grove Meta-igneous Suite - metagabbro

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

Metamorphosed ultramafic rocks: hornblendite, pyroxenite, serpentinite and talc schist

Cherryville Granite (Mississippian) at surface, covers < 0.1 % of this area

Massive to weakly foliated; contains pegmatites, lithium-bearing on east side.

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

Ultramafic rock

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

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

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

Sericite schist, locally with graphite, phyllite with sericite quartzite, banded marble, amphibolite, and minor calc-silicate rock.

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

Inequigranular, locally abundant potassic feldspar and garnet; interlayered and gradational with calc-silicate rock, sillimanite-mica schist, mica schist, and amphibolite. Contains small masses of granitic rock.

Battleground Formation (Late Proterozoic) at surface, covers < 0.1 % of this area

Quartz-sericite schist with metavolcanic rock, quartz-pebble metaconglomerate, kyanite-sillimanite quartzite, and garnet-quartz rock.