| State | Virginia |
|---|---|
| Name | Lower Ordovician and Upper Cambrian Formations Undivided |
| Geologic age | Cambrian-Ordovician |
| Lithologic constituents |
Major
Sedimentary > Carbonate > Limestone
Minor
Sedimentary > Carbonate > Dolostone
Incidental
Sedimentary > Clastic > Sandstone
Sedimentary > Chemical > Chert
|
| Comments | Appalachian Plateaus and Valley and Ridge |
| References | Virginia Division of Mineral Resources, 1993, Geologic Map of Virginia: Virginia Division of Mineral Resources, scale 1:500,000.Virginia Division of Mineral Resources, 2003, Digital Representation of the 1993 Geologic Map of Virginia, Publication 174, CD ROM (ISO-9660) contains image file, expanded explanation in pdf, and ESRI shapefiles, scale 1:500,000. |
| NGMDB product | |
| Counties | Botetourt - Craig - Montgomery - Pulaski - Roanoke - Russell - Wythe - Radford |