Mineral assessment tracts in Roanoke county, Virginia

[Additional scientific data in this geographic area]

EC01: Sandstone-hosted Pb-Zn (30a) (Paleozoic) , covers 15 % of this area
The number of undiscovered deposits in this tract was not estimated.
EC02: Sedimentary exhalative Zn-Pb (31a) (Devonian - Mississippian) , covers 3 % of this area
The number of undiscovered deposits in this tract was not estimated.
EC04: Mississippi Valley, Appalachian Zn (32b) (Late Paleozoic) , covers 2 % of this area
The number of undiscovered deposits in this tract was not estimated.
SA20: Low-sulfide Au-quartz vein (36a) (Paleozoic) , covers 34 % of this area
The number of undiscovered deposits in this tract was not estimated.