Mineral Resources On-Line Spatial Data
|Geologic age||Upper Triassic|
|Original map label||Trbs|
|Comments||part of Newark Group 0-7000 ft. (0-2100 m). Unit description from USGS Lexicon website (ref. NY046) and reference NY045: The rank of the Brunswick is raised to Brunswick Group of the Newark Supergroup in NJ, NY, and PA. It includes the Passaic Formation of Olsen (1980), in NJ and NY, the Orange Mountain Basalt in NJ and NY, the Feltville Formation in NJ, the Preakness Basalt in NJ and NY, and the Towaco Formation, Hook Mountain Basalt, and Boonton Formation in NJ. In PA, the Brunswick Group is divided into the lower part, equivalent to the Passaic, the Jacksonwald Basalt, equivalent to the Orange Mountain, and the upper part, equivalent to the Feltville (Lyttle and Epstein, 1987).|
|Primary rock type||sandstone|
|Secondary rock type||siltstone|
|Other rock types||mudstone|
NYS Museum, NYS Geological Survey, NYS Museum Technology Center, 1999, 1:250,000 Bedrock geology of NYS, data is distributed in ARC/INFOr EXPORT format (with ".e00" extension) in 5 seperate files based on printed map sheets, http://www.nysm.nysed.gov/gis.html.
D. W. Fisher; Y. W. Isachsen, L. V. Rickard, 1970, Geologic Map of New York State, consisting of 5 sheets: Niagara, Finger Lakes, Hudson-Mohawk, Adirondack, and Lower Hudson, New York State Museum and Science Service, Map and Chart Series No. 15, scale 1:250000.
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