Latitude: 40°53'N
Longitude: 74°11'W
A trap rock quarry in Watchung Basalt worked between 1900 and 1936. The New Street quarries exploited an area of the basalt that was extruded over a probable shallow wetland or lake, thus the lava cooled in pillows. The large interstitial spaces between the pillows yielded superb minerals.
References
Papke, H. (1908), Mineral Collector: 15: 113-118.
Mason, B. (1960), Trap Rock Minerals of New Jersey, New Jersey Geological Survey Bull. #64.
Peters, T.A. & Peters, J.J. (1978), Mineralogical Record: 9: 157-179.
Peters, J.J. (1984) Rocks & Minerals: 59: 157-183.
Tschernich, R. (1992), Zeolites of the World, 115.
Mineral List
34 entries listed. 25 valid minerals.
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