Lower Ordovician and Upper Cambrian Formations Undivided (VAOCAz;0)

State	Virginia
Name	Lower Ordovician and Upper Cambrian Formations Undivided
Geologic age	Cambrian-Ordovician
Original map label	O[z
Comments	Undivided; Appalachian Plateaus and Valley and Ridge. From expanded explanation (ref. VA002): Lower Ordovician and Upper Cambrian Formations undivided; includes Pinesburg Station Dolomite, Rockdale Run Formation, Beekmantown Formation, Stonehenge Limestone, and Conococheague Formation. Refer to descriptions under Ob and O[co/[co.
Primary rock type	limestone
Secondary rock type	dolostone (dolomite)
Other rock types	chert; sandstone
Lithologic constituents	Major Sedimentary > Carbonate > Limestone Minor Sedimentary > Carbonate > Dolostone Incidental Sedimentary > Clastic > Sandstone Sedimentary > Chemical > Chert
Map references	Digital Representation of the 1993 Geologic Map of Virginia", 2003, CD ROM (ISO-9660) contains image file, expanded explanation in pdf, and ESRI shapefiles, viewing software not included. This is a digital version of "Geologic Map of Virginia" published in 1993. Available from: https://www.dmme.virginia.gov/commerce/ [https://www.dmme.virginia.gov/commerce/]
Unit references	Virginia Division of Mineral Resources, 1993, Geologic Map of Virginia: Virginia Division of Mineral Resources, scale 1:500,000 Digital Representation of the 1993 Geologic Map of Virginia - expanded explanation: 2003, Commonwealth of Virginia, Department of Mines, Minerals, and Energy, Divsion of Mineral Resources, Publication 147, 85 pp Digital Representation of the 1993 Geologic Map of Virginia", 2003, CD ROM (ISO-9660) contains image file, expanded explanation in pdf, and ESRI shapefiles, viewing software not included. This is a digital version of "Geologic Map of Virginia" published in 1993. Available from: https://www.dmme.virginia.gov/commerce/ [https://www.dmme.virginia.gov/commerce/]
Geographic coverage	Botetourt - Craig - Montgomery - Pulaski - Roanoke - Russell - Wythe - Radford