Geologic units in York county, South Carolina

Metamorphosed granite and granodiorite (Cambrian or Neoproterozoic) at surface, covers 34 % of this area

Metamorphosed granite and granodiorite

Metamorphosed quartz diorite to diorite (Early Paleozoic-Neoproterozoic) at surface, covers 9 % of this area

Metamorphosed quartz diorite to diorite

Lockhart metadiorite (Early Paleozoic-Neoproterozoic) at surface, covers 8 % of this area

Metadiorite and minor metagabbro, containing sparse hornblendite and pyroxenite

Biotite metatonalite and granodiorite (Early Paleozoic-Neoproterozoic) at surface, covers 7 % of this area

Biotite metatonalite and granodiorite

Amphibolite and amphibolite gneiss (Paleozoic to Neoproterozoic) at surface, covers 5 % of this area

Amphibolite and amphibolite gneiss

Metagabbro and minor metadiorite (Middle Paleozoic to Neoproterozoic) at surface, covers 4 % of this area

Metagabbro and minor metadiorite

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

Gabbro - Odgen pluton

Battleground Formation, Metasedimentary rocks, undivided (Neoproterozoic) at surface, covers 4 % of this area

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

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

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

Felsic metavolcanic rocks and felsic gneiss interpreted to the metavolcanics (Ordovician to Neoproterozoic) at surface, covers 3 % of this area

Felsic metavolcanic rocks and felsic gneiss interpreted to the metavolcanics

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

Granite - York pluton

Battleground Formation, Schistose to phyllitic volcaniclastic rocks (Neoproterozoic) at surface, covers 2 % of this area

Battleground Formation, Schistose to phyllitic volcaniclastic rocks

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

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

Granite - Clover pluton (Carboniferous to Permian) at surface, covers 2 % of this area

Granite - Clover pluton

Gabbro - Rock Hill South pluton (Devonian to Silurian) at surface, covers 2 % of this area

Gabbro - Rock Hill South pluton

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

Battleground Formation, Mafic to intermediate metavolcanic rocks

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

Phyllonite and phyllonitic schist

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

Battleground Formation, Felsic metavolcanic rocks

Gabbro - Rock Hill North pluton (Devonian to Silurian) at surface, covers 1 % of this area

Gabbro - Rock Hill North pluton

Quartz-sericite phyllite and schist (Cambrian to Neoproterozoic) at surface, covers 0.9 % of this area

Quartz-sericite phyllite and schist

Granite - Catawba-Roddey pluton (Carboniferous to Permian) at surface, covers 0.7 % of this area

Granite - Catawba-Roddey pluton

Metagabbro - Chester (Middle Paleozoic to Neoproterozoic) at surface, covers 0.6 % of this area

Metagabbro and minor metadiorite

Porphyritic granite of Lowrys pluton (Devonian) at surface, covers 0.5 % of this area

Porphyritic granite of Lowrys pluton

Mafic to intermediate metavolcanics including layered hornblende gneiss and amphibolite (Ordovician to Neoproterozoic) at surface, covers 0.4 % of this area

Mafic to intermediate metavolcanics including layered hornblende gneiss and amphibolite

Metavolcanic rocks, interlayered felsic to mafic, undivided (Ordovician to Neoproterozoic) at surface, covers 0.1 % of this area

Metavolcanic rocks, interlayered felsic to mafic, undivided

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

Gabbro - Mecklenburg pluton

Gabbro of Concord Plutonic Suite (Devonian to Silurian) at surface, covers < 0.1 % of this area

Gabbro of Concord Plutonic Suite

Metadiorite (Cambrian or Neoproterozoic) at surface, covers < 0.1 % of this area

Metadiorite

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

Gabbro - North York pluton

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

Granite

Metamorphosed Mafic Rock (Paleozoic/Late Proterozoic) at surface, covers < 0.1 % of this area

Metagabbro, metadiorite, and mafic plutonic-volcanic complexes.

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.

Metamorphosed Quartz Diorite (Paleozoic/Late Proterozoic) at surface, covers < 0.1 % of this area

Foliated to massive.

Metamorphosed Granitic Rock (Cambrian/Late Proterozoic) at surface, covers < 0.1 % of this area

Megacrystic, well foliated; locally contains hornblende.