Newark Supergroup; Conglomerate, arkosic maatrix

Round to subround pebbles, cobbles, and boulders of mixed lithologies in a matrix of medium- to very-coarse-grained arkosic sandstone.
State Virginia
Name Newark Supergroup; Conglomerate, arkosic maatrix
Geologic age Upper Triassic
Lithologic constituents
Major
Sedimentary > Clastic > Conglomerate (Arkosic)conglomerate with arkosic matrix
Comments 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.
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 Cumberland