Latitude: 40°25'N
Longitude: 74°36'W
A copper mine located 1 mile South of Griggstown and 2 miles NE of Rocky Hill. Started 1753. Host rock is hornfels (hornstone) in proximity of diabase traprock (Palisades diabase). Workings featured a 190 foot deep principal shaft.
11/2009- The property where this Mine lies is posted and patrolled by two caretakers who live on site. Hunters also use the property very heavily. Absolutely no trespassing. Info. supplied by David S. Bernstein.
References
New Jersey State Geologist's Annual Report (1905): 321.
New Jersey State Geologist's Annual Report (1906): 136-139.
Manchester, J.G. (1931), The Minerals of New York City & Its Environs, New York Mineralogical Club Bull.: 3(1): 75.
Geology of New Jersey Bull. #50 (1940), Lewis & Kümmel.
Mineral List
32 entries listed. 24 valid minerals.
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