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

Geologic units in Radford City, Virginia

[Additional scientific data in this geographic area]

Juniata, Reedsville, Trenton, and Eggleston Formations (Ordovician) at surface, covers 3 % 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

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

Rome Formation (Cambrian) at surface, covers 12 % of this area

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

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

Moccasin or Bays Formation through Blackford Formation (Ordovician) at surface, covers 0.4 % 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 2 % of this area

Brallier Formation - Micaceous shale, siltstone, and sandstone.

Lithology: shale; siltstone; sandstone

Elbrook Formation (Cambrian) at surface, covers 65 % of this area

Elbrook Formation - Dolomite, shale, and minor limestone.

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

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

Millboro Shale and Needmore Formation (Devonian) at surface, covers 11 % 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