|Name||Mount Rogers Formation - Greenstone with interbedded sedimentary rocks|
|Geologic age||Proterozoic Z|
Metamorphic > Metasedimentary
Metamorphic > Metaigneous > Greenstone
|Comments||In Grayson, Washington, and Smyth Counties only; Blue Ridge Anticlinorium (Southwest)|
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.
|Counties||Grayson - Smyth|