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

Geologic units in Orange county, Virginia

[Additional scientific data in this geographic area]

Gneiss (Proterozoic) at surface, covers < 0.1 % of this area

Gneiss as exotic blocks within melange units

Lithology: gneiss

Lynchburg Group; Metagraywacke (Proterozoic Z) at surface, covers 3 % of this area

Lynchburg Group - Metagraywacke

Lithology: meta-argillite; schist; conglomerate

Lahore Complex - Amphibole monzonite (Ordovician) at surface, covers 2 % of this area

Lahore Complex - Amphibole monzonite

Lithology: monzonite

Lahore Complex - Mafic and ultramafic rocks (Ordovician) at surface, covers 0.5 % of this area

Lahore Complex - Mafic and ultramafic rocks

Lithology: metamorphic rock; pyroxenite

Metavolcanic and Metavolcanic Clastic Phyllite (Proterozoic - Cambrian) at surface, covers 0.7 % of this area

Metavolcanic and metavolcanic clastic phyllite

Lithology: phyllite

Metasandstone and Metasiltstone (Proterozoic Z-Cambrian) at surface, covers 1 % of this area

Metasandstone and metasiltstone.

Lithology: metasedimentary rock; meta-argillite

Lahore Complex - Pyroxene monzonite (Ordovician) at surface, covers 0.5 % of this area

Lahore Complex - Pyroxene monzonite

Lithology: monzonite

Mine Run Complex - Melange Zone III (Proterozoic Z-Ordovician) at surface, covers 21 % of this area

Mine Run Complex - Melange Zone III

Lithology: melange

Newark Supergroup; Conglomerate, greenstone clasts (Upper Triassic) at surface, covers 1 % of this area

Conglomerate, greenstone clasts

Lithology: conglomerate

Newark Supergroup; Conglomerate, mixed clasts (Upper Triassic) at surface, covers 2 % of this area

Conglomerate, mixed clasts

Lithology: conglomerate

Newark Supergroup; Triassic shale and siltstone (Triassic) at surface, covers 2 % of this area

Interbedded shale and siltstone

Lithology: shale; siltstone

Lynchburg Group; Charlottesville Formation (Proterozoic Z) at surface, covers 3 % of this area

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

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

Mine Run Complex - Melange Zone II (Proterozoic Z-Ordovician) at surface, covers 7 % of this area

Mine Run Complex - Melange Zone II

Lithology: melange

Mafic Plutonic Rocks (Proterozoic Z-Cambrian) at surface, covers 0.5 % of this area

Mafic plutonic rocks as exotic blocks within melange units

Lithology: mafic rock

Catoctin Formation - Hyaloclastite pillow breccia (Proterozoic Z-Cambrian) at surface, covers 0.8 % of this area

Catoctin Formation - Hyaloclastite pillow breccia

Lithology: meta-basalt

Metagraywacke, Quartzose Schist, and Melange (Proterozoic Z-Cambrian) at surface, covers 17 % of this area

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

Lithology: meta-argillite; schist; melange

Catoctin Formation - Metabasalt (Proterozoic Z-Cambrian) at surface, covers 20 % of this area

Catoctin Formation - Metabasalt.

Lithology: meta-basalt

Candler Formation - Metasiltstone (Cambrian) at surface, covers 0.8 % of this area

Candler Formation - Meta-argillite is laminated metasiltstone

Lithology: meta-argillite

Metagabbro (Proterozoic Z-Cambrian) at surface, covers 0.2 % of this area

Metagabbro

Lithology: amphibolite; amphibolite

Ellisville Biotite Granodiorite (Ordovician-Silurian) at surface, covers 4 % of this area

Ellisville Biotite Granodiorite - Biotite granodiorite

Lithology: granodiorite

Felsic/Mafic Volcanic Rocks (Proterozoic) at surface, covers < 0.1 % of this area

Felsic/mafic volcanic rocks as exotic blocks within melange units

Lithology: metavolcanic rock

Newark Supergroup; Triassic Sandstone, Siltstone, and Shale (Upper Triassic) at surface, covers 0.8 % of this area

Interbedded sandstone, siltstone, and shale

Lithology: sandstone; siltstone; shale

Lynchburg Group; Graphitic phyllite and metasiltstone (Proterozoic Z) at surface, covers 0.3 % of this area

Lynchburg Group - Graphitic phyllite and metasiltstone

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

Mine Run Complex - Melange Zone I (Proterozoic Z-Ordovician) at surface, covers 2 % of this area

Mine Run Complex - Melange Zone I

Lithology: melange

Everona Limestone (Cambrian) at surface, covers 0.5 % of this area

Everona Limestone - Limestone.

Lithology: limestone; phyllite; slate

Granitoid Rocks (Proterozoic) at surface, covers 2 % of this area

Granitoid blocks as exotic blocks within melange units

Lithology: granitoid

Newark Supergroup; Sandstone, undifferentiated (Upper Triassic) at surface, covers 2 % of this area

Sandstone, undifferentiated

Lithology: sandstone

Candler Formation - Phyllite and schist (Cambrian) at surface, covers 5 % 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