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

Geologic units in Tazewell county, Virginia

[Additional scientific data in this geographic area]

Chemung Formation (redefined as Foreknobs Formation) (Devonian) at surface, covers 0.9 % of this area

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

Lithology: shale; sandstone; conglomerate

New River Formation (Pennsylvanian) at surface, covers 15 % of this area

New River Formation - Sandstone, siltstone, shale, and coal.

Lithology: sandstone; siltstone; shale; coal; limestone

Lower Devonian and Silurian Formations Undivided (Silurian-Devonian) at surface, covers 2 % 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

Norton, New River, Lee and Pocahontas Formations Undivided (Pennsylvanian) at surface, covers 1 % of this area

Norton, New River, Lee and Pocahontas Formations Undivided - Norton Formation: siltstone, shale, sandstone, and coal. New River Formation: Sandstone siltstone, shale, coal. Pocahontas Formation: Sandstone, siltstone, shale, and coal. Lee Formation: Quart

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

Greenbrier Limestone (Mississippian) at surface, covers 4 % of this area

Greenbrier Limestone - Limestone, in part cherty, fossiliferous; shale.

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

Maccrady Shale and Price Formation (Mississippian) at surface, covers 3 % of this area

Maccrady Shale and Price Formation - Includes: Maccrady Shale: Dusky-red and green shale and mudstone; and evaporite deposits. Price Formation: Sandstone, conglomeratic sandstone, and shale with carbonaceous partings and impure coal beds.

Lithology: sandstone; shale; mudstone; coal; evaporite

Kanawha Formation (Pennsylvanian) at surface, covers 0.7 % of this area

Kanawha Formation - Sandstone, siltstone, shale, and coal.

Lithology: sandstone; siltstone; shale; coal

Brallier Formation (Devonian) at surface, covers 3 % of this area

Brallier Formation - Micaceous shale, siltstone, and sandstone.

Lithology: shale; siltstone; sandstone

New River Formation (Pennsylvanian) at surface, covers 0.1 % of this area

New River Formation (part of Pottsville Group) - predominantly sandstone, with some shale, siltstone, and coal. Grades to nearly all sandstone in the subsurface. Extends from the top of the Upper Nuttall Sandstone to the top of the Flattop Mountain Sandstone. Includes the Iaeger, Sewell, Welch, Raleigh, Beckley, Fire Creek, and Pocahontas Nos. 8 and 9 coals.

Lithology: sandstone; shale; siltstone; coal

Moccasin or Bays Formation through Blackford Formation (Ordovician) at surface, covers 16 % 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

Silurian and Upper Ordovician Formations Undivided (Ordovician-Silurian) at surface, covers < 0.1 % 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

Pennington Group (Mississippian) at surface, covers 7 % of this area

Pennington Group - Shale, sandstone, dusky-red mudstone, conglomerate, siltstone, and limestone.

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

Knox Group (Cambrian-Ordovician) at surface, covers 13 % 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

Bluestone and Princeton Formations (Mississippian) at surface, covers < 0.1 % of this area

Bluestone and Princeton Formations (part of Mauch Chunk Group) - the Bluestone Formation is mostly red, green, and medium-gray shale and sandstone; Princeton Sandstone is underneath.

Lithology: shale; sandstone

Norton Formation (Pennsylvanian) at surface, covers 0.4 % of this area

Norton Formation - Shale, siltstone, sandstone, and coal.

Lithology: shale; siltstone; sandstone; coal

Mississippian Formations Undivided (Mississippian) at surface, covers 2 % of this area

Mississippian Formations Undivided - Includes Pennington Group, Bluefield Formation, Greenbrier Limestone, Maccrady Shale and Price Formation; Includes Newman Limestone, Fort Payne Chert, and Grainger Formation in western Lee County

Lithology: shale; limestone; sandstone; siltstone; dolostone (dolomite); conglomerate; mudstone; arenite; coal; evaporite; chert

Silurian Formations Undivided (Silurian) at surface, covers 5 % of this area

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

Lithology: sandstone; shale; limestone; arenite; conglomerate

Rome Formation (Cambrian) at surface, covers 0.9 % of this area

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

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

Greenbrier Group (Mississippian) at surface, covers < 0.1 % of this area

Greenbrier Group - marine limestone and marine and non-marine red and gray shale, and minor sandstone beds in numerous formational units.

Lithology: limestone; shale; sandstone

Bluefield Formation (Mississippian) at surface, covers 3 % of this area

Bluefield Formation - Calcareous shale and limestone.

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

Pocahontas Formation (Pennsylvanian) at surface, covers 2 % of this area

Pocahontas Formation - Sandstone, siltstone, shale, and coal.

Lithology: sandstone; siltstone; shale; coal

Millboro Shale, Huntersville Chert, and Rocky Gap Sandstone (Devonian) at surface, covers 4 % of this area

Millboro Shale, Huntersville Chert, and Rocky Gap Sandstone - Black, fissile shale; chert; and calcareous sandstone

Lithology: black shale; chert; sandstone

Bluefield Formation (Mississippian) at surface, covers < 0.1 % of this area

Bluefield Formation (part of Mauch Chunk Group) - red and green shale and sandstone, with a few thin limestone lenses, such as the Reynolds.

Lithology: shale; sandstone; limestone

Juniata, Reedsville, Trenton, and Eggleston Formations (Ordovician) at surface, covers 15 % 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

Nolichucky and Honaker Formations (Cambrian) at surface, covers 3 % of this area

Nolichucky and Honaker Formations - Dolomitic shale; dolomite and minor chert.

Lithology: shale; dolostone (dolomite); chert

Pocahontas Formation (Pennsylvanian) at surface, covers < 0.1 % of this area

Pocahontas Formation (part of Pottsville Group) - sandstone, approx. 50%, with some shale, siltstone, and coal. Extends from the top of the Flattop Mountain Sandstone to the top of the Mississippian. Includes from bottom upward Pocahontas coals Nos. 1 through 7.

Lithology: sandstone; shale; siltstone; coal

Hinton Formation (Mississippian) at surface, covers < 0.1 % of this area

Hinton Formation (part of Mauch Chunk Group) - red, green, and medium-gray shale and sandstone, with a few thin limestone beds, including the Avis.

Lithology: shale; sandstone; limestone

Chattanooga Shale and Wildcat Valley Sandstone (Devonian-Mississippian) at surface, covers < 0.1 % of this area

Chattanooga Shale and Wildcat Valley Sandstone - Black, fissile shale and siltstone; calcareous sandstone

Lithology: black shale; siltstone; sandstone