|Geologic age||Lower Jurassic|
Sedimentary > Clastic > Mixed-clastic > Siltstone-mudstone (Bed, Calcareous)silty mudstone; microlaminated calcareous siltstone and mudstone containing diagnostic pollen, fish and dinosaur tracks.
Sedimentary > Clastic > Sandstone (Bed)reddish-brown to brownish-purple, fine- to medium-grained micaceous sandstone, sandstone is commonly trough cross laminated
Sedimentary > Clastic > Siltstone (Bed, Calcareous)siltstone and calcareous siltstone and black, microlaminated calcareous siltstone and mudstone containing diagnostic pollen, fish and dinosaur tracks.
Sedimentary > Clastic > Conglomerate (Bed)
|Comments||Newark Supergroup, Brunswick Group (Lyttle and Epstein, 1987). Units Jt and Jtc are described together on printed map. The units were split into separate records and appropriate descriptions for each were used.|
Dalton, R.F., Herman, G.C., Monteverde, D.H., Pristas, R.S., Sugarman, P.J., and Volkert, R.A., 1999, New Jersey Department of Environmental Protection, Bedrock Geology and Topographic Base Maps of New Jersey: New Jersey Geological Survey CD Series CD 00-1; ARC/INFO (v. 7.1), scale 1:100,000.
Drake, Avery A. Jr.,Volkert, Richard, A., Monteverde, Donald H., Herman, Gregory C., Houghton,Hugh F., Parker, Ronald A., and Dalton, Richard F., 1996, Bedrock Geologic Map of Northern New Jersey: U.S. Geological Survey Miscellanenous Investigations Map I-2540-A, 4 cross sections, 2 sheets, size 56x40; 58x41, scale 1:100.000.
Olsen, P.E., 1980, The latest Triassic and Early Jurassic formations of the Newark basin (eastern North America, Newark Supergroup); stratigraphy, structure, and correlation: New Jersey Academy of Science Bulletin, v. 25, no. 2, p. 25-51.
Lyttle, P.T., and Epstein, J.B., 1987, Geologic map of the Newark 1 x 2 degree quadrangle, New Jersey, Pennsylvania, and New York: U.S. Geological Survey Miscellaneous Investigations Series Map I-1715, scale 1:250,00.
|Counties||Bergen - Essex - Morris - Passaic - Somerset - Union|