|Geologic age||Upper Triassic|
Metamorphic > Metasedimentary > Metaclastic > Argillitelight- to dark-gray, greenish-gray, and black, dolomitic or analcime-bearing silty argillite
Sedimentary > Clastic > Mudstonelaminated mudstone,
Sedimentary > Clastic > Sandstone (Calcareous)silty to calcareous, argillaceous, very-fine-grained pyritic sandstone and siltstone,
Sedimentary > Clastic > Siltstone (Calcareous)silty to calcareous, argillaceous, very-fine-grained pyritic sandstone and siltstone,
Sedimentary > Carbonate > Limestone (Bed)minor silty limestone
|Comments||Newark Supergroup, Brunswick Group (Lyttle and Epstein, 1987). The Lockatong Formation unit description on the map encompasses multiple units (TRl, TRlr, TRla, TRls, and TRlcq). The units were split into separate records and appropriate descriptions for each were used. Names for units are from digital map|
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.
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.
Kmmel, H.B., 1897, The Newark System; report of progress: New Jersey Geological Survey Annual Report 1896, p. 25-88.
|Counties||Bergen - Hudson - Middlesex - Union|