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Newark Supergroup; Arkosic Sandstone

Arkosic sandstone
State Virginia
Name Newark Supergroup; Arkosic Sandstone
Geologic age Upper Triassic
Comments Newark Supergroup; Mesozoic Basins. Paper map and digital map have differernt labels: paper map does not have TR prefix, but the digital source has TR as part of the label. From expanded explanation (ref. VA002): Sandstone, arkosic. Light-gray to light-reddish-brown, medium- to coarse-grained, micaceous.
Primary rock type sandstone
Secondary rock type
Other rock types
Lithologic constituents
Major
Sedimentary > Clastic > Sandstone
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/
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/
Counties Chesterfield - Cumberland - Powhatan