Lower Devonian and Silurian Formations Undivided

Some landslides with intact stratigraphic units in Craig County area. Includes: Dsu, Skrt, Sm. (Shrc?)
State Virginia
Name Lower Devonian and Silurian Formations Undivided
Geologic age Silurian-Devonian
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone
Sedimentary > Clastic > Mudstone > Shale
Sedimentary > Carbonate > Limestone
Comments Undivided; 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 Alleghany - Augusta - Bland - Botetourt - Craig - Frederick - Giles - Lee - Montgomery - Pulaski - Roanoke - Rockbridge - Rockingham - Scott - Shenandoah - Smyth - Tazewell - Wythe - Radford