Latitude: 40°38'44"N
Longitude: 74°38'22"W
Ref.: Dana 6: 1066; A Quest for New Jersey Minerals, Robert Speiser(1978):20. A very old copper mine located at the base of the First Watchung Mountain. Ore is at the contact of the overlying Watchung basalt and the Triassic sedimentary shales and sandstones.
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10 entries listed. 10 valid minerals.
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