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

Geologic units in Botetourt county, Virginia

[Additional scientific data in this geographic area]

Mylonite, Mylonite Gneiss, and Cataclastic Rocks (Proterozoic - Paleozoic ?) at surface, covers < 0.1 % of this area

Mylonite, mylonite gneiss, and cataclastic rocks.

Lithology: mylonite; gneiss; cataclastite

Waynesboro Formation (Cambrian) at surface, covers 4 % of this area

Waynesboro Formation - Dolomite, dusky-red and green shale, limestone, and sandstone.

Lithology: dolostone (dolomite); shale; limestone; sandstone

Price Formation (Mississippian) at surface, covers 1 % of this area

Price Formation - Sandstone, conglomeratic sandstone, and shale with carbonaceous partings and impure coal beds.

Lithology: sandstone; shale; siltstone; limestone; conglomerate; coal

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

Charnockite.

Lithology: granitic gneiss

Moccasin or Bays Formation through Blackford Formation (Ordovician) at surface, covers 2 % of this area

Moccasin or Bays Formation through Blackford Formation - Dusky-red shale and mudstone; sandstone; limestone, in part cherty; and calcareous shale.

Lithology: shale; mudstone; sandstone; limestone; chert

Brallier Formation (Devonian) at surface, covers 13 % of this area

Brallier Formation - Micaceous shale, siltstone, and sandstone.

Lithology: shale; siltstone; sandstone

Edinburg Formation, Lincolnshire and New Market Limestones (Ordovician) at surface, covers 0.6 % of this area

Edinburg Formation, Lincolnshire and New Market Limestones - Black limestone and shale; gray limestone, in part cherty

Lithology: limestone; black shale; chert

Millboro Shale and Needmore Formation (Devonian) at surface, covers 8 % of this area

Millboro Shale and Needmore Formation - Black, fissile shale; gray calcareous shale; Tioga metabentonite at top of Needmore.

Lithology: black shale; shale; bentonite; limestone

Ridgeley Sandstone, Helderberg and Cayugan Groups (Silurian-Devonian) at surface, covers 3 % of this area

Ridgeley Sandstone, Helderberg and Cayugan Groups - Calcareous sandstone; partly cherty limestone; calcareous shale; fossiliferous.

Lithology: limestone; sandstone; shale

Lower Devonian and Silurian Formations Undivided (Silurian-Devonian) at surface, covers 6 % of this area

Lower Devonian and Silurian Formations Undivided - Some landslides with intact stratigraphic units in Craig County area. Includes: Dsu, Skrt, Sm. (Shrc?)

Lithology: sandstone; limestone; shale

Knobs Formation, Paperville Shale, Lenoir and Mosheim Limestone (Ordovician) at surface, covers 3 % of this area

Knobs Formation, Paperville Shale, Lenoir and Mosheim Limestone - Sandstone, conglomerate, siltstone; black, fissile shale; and limestone, in part cherty.

Lithology: sandstone; conglomerate; siltstone; black shale; limestone; chert

Chemung Formation (redefined as Foreknobs Formation) (Devonian) at surface, covers 3 % of this area

Chemung Formation - Shale and sandstone with a few thin, quartz-pebble conglomerates and red-beds.

Lithology: shale; sandstone; conglomerate

Beekmantown Group (Ordovician) at surface, covers 2 % of this area

Beekmantown Group - Dolomite, limestone, and chert. Includes Pinesburg Station Dolomite, Rockdale Run Formation, Beekmantown Formation, Stonehenge Limestone, and Chepultepec Formation.

Lithology: dolostone (dolomite); limestone; chert

Keefer, Rose Hill, and Tuscarora Formations (Silurian) at surface, covers 3 % of this area

Keefer, Rose Hill, and Tuscarora Formations - Quartzarenite, dusky-red shale, and sandstone, Some landslides with intact stratigraphic units in Craig County area..

Lithology: arenite; shale; sandstone

Layered Porphyrobliastic Pyroxene Granulite (Proterozoic Y) at surface, covers < 0.1 % of this area

Layered porphyroblastic pyroxene granulite

Lithology: granulite

Elbrook Formation (Cambrian) at surface, covers 15 % of this area

Elbrook Formation - Dolomite, shale, and minor limestone.

Lithology: dolostone (dolomite); limestone; shale; siltstone

Lower Ordovician and Upper Cambrian Formations Undivided (Cambrian-Ordovician) at surface, covers 2 % of this area

Lower Ordovician and Upper Cambrian Formations Undivided - Includes Pinesburg Station Dolomite, Rockdale Run Formation, Beekmantown Formation, Stonehenge Limestone and Conococheague Formation.

Lithology: limestone; dolostone (dolomite); chert; sandstone

Juniata, Reedsville, Trenton, and Eggleston Formations (Ordovician) at surface, covers 2 % of this area

Juniata, Reedsville, Trenton, and Eggleston Formations - Dusky-red shale and mudstone and sandstone; shale and limestone. Note: one area in southeastern Bland County has landslides with intact stratigraphic units.

Lithology: shale; mudstone; sandstone; limestone

Conococheague Formation (Cambrian-Ordovician) at surface, covers < 0.1 % of this area

Conococheague Formation - Limestone, dolomite, and calcareous sandstone.

Lithology: limestone; dolostone (dolomite); sandstone

Lower Devonian, Silurian and Upper Ordovician Formations Undivided (Ordovician-Devonian) at surface, covers 0.3 % of this area

Lower Devonian, Silurian and Upper Ordovician Formations Undivided - Some landslides with intact stratigraphic units in Giles County. Includes: Skrt, Sm, Oun, Ous, Ou, Om. (Shrc, Okpl?)

Lithology: sandstone; shale; siltstone; limestone; mudstone; quartzite; arenite

Juniata, Oswego, Martinsburg (Reedsville and Dolly Ridge), and Eggleston Formations (Ordovician) at surface, covers 4 % of this area

Juniata, Oswego, Martinsburg (Reedsville and Dolly Ridge), and Eggleston Formations - Dusky-red shale and mudstone and sandstone; graywacke; shale and sandstone; and limestone.

Lithology: shale; mudstone; sandstone; graywacke; limestone

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

Layered pyroxene granulite

Lithology: granulite

Conococheague Formation (Cambrian) at surface, covers 5 % of this area

Conococheague Formation - Limestone, dolomite, and calcareous sandstone.

Lithology: limestone; dolostone (dolomite); sandstone

Knox Group (Cambrian-Ordovician) at surface, covers 4 % of this area

Knox Group - dolostone, limestone, sandstone. Includes the Mascot Dolomite, Kingsport Dolomite, Chepultepec Dolomite, Copper Ridge Dolomite. (Includes: Ob, Omk, Occo, Cco, Occc.)

Lithology: dolostone (dolomite); limestone; chert; sandstone

Silurian and Upper Ordovician Formations Undivided (Ordovician-Silurian) at surface, covers 0.6 % of this area

Silurian and Upper Ordovician Formations Undivided - Includes: Skrt, Sm, Oun, Ous, Ou, Om. (Shrc and Okpl?)

Lithology: sandstone; shale; siltstone; limestone; mudstone; quartzite; arenite

Rome Formation (Cambrian) at surface, covers 4 % of this area

Rome Formation - Dusky-red and green shale and siltstone, dolomite, and limestone.

Lithology: shale; siltstone; sandstone; dolostone (dolomite); limestone

Chilhowee Group (Cambrian) at surface, covers 5 % 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)

Shady Dolomite (Cambrian) at surface, covers 1.0 % of this area

Shady Dolomite - Dolomite.

Lithology: dolostone (dolomite); limestone; shale