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Mineral Resources > Online Spatial Data > Geology > by state > Virginia Geology

Geologic units in Albemarle county, Virginia

[Additional scientific data in this geographic area]

Biotite-Muscovite Leucogranite Gneiss (Proterozoic Y) at surface, covers 2 % of this area

Biotite-muscovite leucogranite gneiss

Lithology: granitic gneiss

Two-Mica Granite (Proterozoic Y) at surface, covers 0.7 % of this area

Two-mica granite.

Lithology: orthogneiss

Biotite Granite (Proterozoic Y) at surface, covers 0.8 % of this area

Biotite granite

Lithology: granite

Leucocratic Granulite and Gneiss (Proterozoic Y) at surface, covers < 0.1 % of this area

Leucocratic granulite and gneiss.

Lithology: granulite; gneiss

Lynchburg Group; Graphitic phyllite and metasiltstone (Proterozoic Z) at surface, covers 0.6 % of this area

Lynchburg Group - Graphitic phyllite and metasiltstone

Lithology: phyllite; meta-argillite; slate; metasedimentary rock; quartzite

Newark Supergroup; Triassic Sandstone, Siltstone, and Shale (Upper Triassic) at surface, covers 3 % of this area

Interbedded sandstone, siltstone, and shale

Lithology: sandstone; siltstone; shale

Newark Supergroup; Sandstone, undifferentiated (Upper Triassic) at surface, covers < 0.1 % of this area

Sandstone, undifferentiated

Lithology: sandstone

Candler Formation - Phyllite and schist (Cambrian) at surface, covers 11 % of this area

Candler Formation - Phyllite in central Blue Ridge Anticlinorium; Phyllite, metasiltstone and quartz-mica schist in southwest Blue Ridge Anticlinorium

Lithology: phyllite; schist; metasedimentary rock

Layered Pyroxene Granulite (Proterozoic Y) at surface, covers 6 % of this area

Layered pyroxene granulite

Lithology: granulite

Robertson River Igneous Suite (Proterozoic Z) at surface, covers 0.7 % of this area

Robertson River Igneous Suite - White Oak alkali feldspar granite

Lithology: granite

Everona Limestone (Cambrian) at surface, covers < 0.1 % of this area

Everona Limestone - Limestone.

Lithology: limestone; phyllite; slate

Metagraywacke, Quartzose Schist, and Melange (Proterozoic Z-Cambrian) at surface, covers 5 % of this area

Metagraywacke, Quartzose Schist, and Melange - Meta-argillite is metagraywacke; quartzose schist

Lithology: meta-argillite; schist; melange

Crozet Granite (Proterozoic Y) at surface, covers 0.2 % of this area

Crozet granite - Granite

Lithology: granite

Catoctin Formation - Hyaloclastite pillow breccia (Proterozoic Z-Cambrian) at surface, covers 0.5 % of this area

Catoctin Formation - Hyaloclastite pillow breccia

Lithology: meta-basalt

Mafic Igneous Complex Undivided (Proterozoic Z-Cambrian) at surface, covers 0.5 % of this area

Mafic Igneous Complex Undivided - Mafic igneous complex.

Lithology: mafic metavolcanic rock

Metagabbro (Proterozoic Z-Cambrian) at surface, covers 1 % of this area

Metagabbro

Lithology: amphibolite; amphibolite

Chilhowee Group (Cambrian) at surface, covers 0.8 % of this area

Chilhowee Group - Appalachian Plateaus and Valley and Ridge: Quartzite, conglomerate, feldspathic sandstone, phyllite, and minor ferruginous sandstone and volcanic rocks. Blue Ridge Anticlinorium: Conglomerate, quartzite, metasiltstone, and phyllite.

Lithology: quartzite; conglomerate; sandstone; phyllite; meta-argillite; volcanic rock (aphanitic)

Catoctin Formation - Metabasalt (Proterozoic Z-Cambrian) at surface, covers 19 % of this area

Catoctin Formation - Metabasalt.

Lithology: meta-basalt

Candler Formation - Metasiltstone (Cambrian) at surface, covers 0.5 % of this area

Candler Formation - Meta-argillite is laminated metasiltstone

Lithology: meta-argillite

Lynchburg Group - Fanglomerate (Proterozoic Z) at surface, covers 0.8 % of this area

Lynchburg Group - Fanglomerate

Lithology: conglomerate

Mylonite, Mylonite Gneiss, and Cataclastic Rocks (Proterozoic - Paleozoic ?) at surface, covers 4 % of this area

Mylonite, mylonite gneiss, and cataclastic rocks.

Lithology: mylonite; gneiss; cataclastite

Porphyoblastic Biotite-Plagioclase Augen Gneiss (Proterozoic Y) at surface, covers 17 % of this area

Porphyoblastic biotite-plagioclase augen gneiss

Lithology: augen gneiss

Layered Biotite Granulite and Gneiss (Proterozoic Y) at surface, covers 4 % of this area

Layered biotite granulite and gneiss.

Lithology: gneiss; granulite

Newark Supergroup; Conglomerate, mixed clasts (Upper Triassic) at surface, covers < 0.1 % of this area

Conglomerate, mixed clasts

Lithology: conglomerate

Charnockite (Proterozoic Y) at surface, covers 4 % of this area

Charnockite.

Lithology: granitic gneiss

Lynchburg Group; Charlottesville Formation (Proterozoic Z) at surface, covers 7 % of this area

Lynchburg Group; Charlottesville Formation - Graphitic metasiltstone, feldspathic metasandstone, and quartzite.

Lithology: meta-argillite; sandstone; quartzite; phyllite; slate

Charnockite Gneiss (Proterozoic Y) at surface, covers 3 % of this area

Charnockite gneiss

Lithology: gneiss

Newark Supergroup; Breccia, mudstone clasts (Upper Triassic) at surface, covers 0.6 % of this area

Breccia, mudstone clasts

Lithology: sedimentary breccia

Newark Supergroup; Conglomerate, carbonate clasts (Upper Triassic) at surface, covers < 0.1 % of this area

Conglomerate, carbonate clasts

Lithology: conglomerate

Biotite Granodiorite and Biotite Granite (Proterozoic Z) at surface, covers 0.6 % of this area

Biotite granodiorite, biotite granite

Lithology: granodiorite; granite

Lynchburg Group; Metagraywacke (Proterozoic Z) at surface, covers 5 % of this area

Lynchburg Group - Metagraywacke

Lithology: meta-argillite; schist; conglomerate

Fauquier Formation - Metasiltstone and phyllite (Proterozoic Z) at surface, covers 0.5 % of this area

Fauquier Formation - Meta-argillite is laminated metasiltstone; and phyllite.

Lithology: meta-argillite; phyllite

Alkali Feldspar Leucogranite (Proterozoic Y) at surface, covers < 0.1 % of this area

Alkali feldspar leucogranite

Lithology: granite

Swift Run Formation (Proterozoic Z) at surface, covers 1 % of this area

Swift Run Formation - Phyllite, metasandstone, and metaconglomerate.

Lithology: phyllite; sandstone; meta-conglomerate; schist; quartzite; slate

Robertson River Igneous Suite - Rivanna granite (Proterozoic Z) at surface, covers 0.2 % of this area

Robertson River Igneous Suite - Rivanna granite

Lithology: granite

Rockfish River Pluton (Proterozoic Z) at surface, covers 0.2 % of this area

Rockfish River Pluton - Granodiorite.

Lithology: granodiorite