State | Virginia |
---|---|
Name | Marcellus Shale and Needmore Formation |
Geologic age | Devonian |
Lithologic constituents |
Major
Sedimentary > Clastic > Mudstone > Shale
Sedimentary > Clastic > Mudstone > Shale > Black-shale
Incidental
Sedimentary > Clastic > Mudstone > Claystone > Bentonite
Sedimentary > Carbonate > Limestone
|
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 | Frederick - Page - Rockingham - Shenandoah |