Geologic units in Chester county, South Carolina

Geologic units in Chester county, South Carolina

Metamorphosed granite and granodiorite (Cambrian or Neoproterozoic) at surface, covers 28 % of this area

Metamorphosed granite and granodiorite

Felsic metavolcanic rocks and felsic gneiss interpreted to the metavolcanics (Ordovician to Neoproterozoic) at surface, covers 18 % of this area

Felsic metavolcanic rocks and felsic gneiss interpreted to the metavolcanics

Metagabbro - Chester (Middle Paleozoic to Neoproterozoic) at surface, covers 16 % of this area

Metagabbro and minor metadiorite

Porphyritic granite of Lowrys pluton (Devonian) at surface, covers 8 % of this area

Porphyritic granite of Lowrys pluton

Lockhart metadiorite (Early Paleozoic-Neoproterozoic) at surface, covers 6 % of this area

Metadiorite and minor metagabbro, containing sparse hornblendite and pyroxenite

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

Metadiorite

Equigranular granite of Lowrys pluton (Devonian) at surface, covers 3 % of this area

Equigranular granite of Lowrys pluton

Great Falls metagranite (Cambrian or Neoproterozoic) at surface, covers 3 % of this area

Foliated, metamorphosed muscovite-biotite granite having accessory garnet and discordantly intruding surrounding rocks

Amphibolite and amphibolite gneiss (Paleozoic to Neoproterozoic) at surface, covers 3 % of this area

Amphibolite and amphibolite gneiss

Mafic to intermediate metavolcanics including layered hornblende gneiss and amphibolite (Ordovician to Neoproterozoic) at surface, covers 3 % of this area

Mafic to intermediate metavolcanics including layered hornblende gneiss and amphibolite

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

Metagabbro and minor metadiorite

Edgemoor metagranite (Cambrian or Neoproterozoic) at surface, covers 2 % of this area

Medium-grained, foliated to non-foliated, metamorphosed metagranite containing biotite +/- muscovite +/- garnet

Phyllonite and phyllonitic schist (Late Paleozoic) at surface, covers 1 % of this area

Phyllonite and phyllonitic schist

Metamorphosed granitoid rocks, undivided (Paleozoic to Neoproterozoic) at surface, covers 1.0 % of this area

Metamorphosed granitoid rocks, undivided

Persimmon Fork Formation (Cambrian to Neoproterozoic) at surface, covers 0.4 % of this area

Predominately metatuff

Gabbro - Chester pluton (Devonian to Silurian) at surface, covers 0.3 % of this area

Gabbro - Chester pluton

Gabbro - Odgen pluton (Devonian to Silurian) at surface, covers < 0.1 % of this area

Gabbro - Odgen pluton

Granite - Bald Rock pluton (Carboniferous to Permian) at surface, covers < 0.1 % of this area

Granite - Bald Rock pluton