Skip to main content

Newark Supergroup; Breccia, mixed clasts

Breccia, mixed clasts
State Virginia
Name Newark Supergroup; Breccia, mixed clasts
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): Breccia, mixed clasts. Angular to subangular pebbles, cobbles, and boulders of mixed lithologies in a reddish-brown matrix of indurated medium- to coarse-grained sandstone.
Primary rock type breccia
Secondary rock type
Other rock types
Lithologic constituents
Major
Tectonite > Cataclasitebreccia
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 Buckingham - Cumberland - Goochland - Henrico - Prince Edward