| State | New Jersey |
|---|---|
| Name | Lockatong Formation red bed |
| Geologic age | Upper Triassic |
| Lithologic constituents |
Major
Sedimentary > Clastic > Mixed-clastic > Sandstone-mudstone (Bed, Calcareous)silty to calcareous, argillaceous, very-fine-grained pyritic sandstone and siltstone;
Sedimentary > Clastic > Mixed-clastic > Siltstone-mudstone (Bed)light- to dark-gray, greenish-gray, and black, dolomitic or analcime-bearing silty argillite; laminated mudstone
Minor
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 |
| References | 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.https://pubs.er.usgs.gov/publication/i2540A 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.https://pubs.er.usgs.gov/publication/i1715 |
| NGMDB product | |
| Counties | Hunterdon |