Newark Supergroup; Jurassic Siltstone and Shale

Interbedded reddish-brown siltstone and reddish-brown, greenish-gray, dark-gray, fossiliferous shale. Occurs only in the Culpeper basin.
State Virginia
Name Newark Supergroup; Jurassic Siltstone and Shale
Geologic age Jurassic
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale
Sedimentary > Clastic > Siltstone
Comments Mesozoic Basins
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 Fauquier - Prince William