Latitude: 43°46'0"N
Longitude: 103°40'41"W
A granite pegmatite located in the NE¼ sec. 30, T.3S., R.4E., near Berne, near Custer. A mine on the "Highland lode."
Mineralization is an oval, zoned pegmatite body concordant in quartz-mica schist.
Workings include a large open pit, an incline with raise, a tunnel, and small pits.
Mineral List
37 entries listed. 29 valid minerals. 2 erroneous literature entries.
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References
Moore, P. B., 2000, Analyses of Primary Phosphates from Pegmatites in Maine and Other Localities, in V. T. King (editor), Mineralogy of Maine. Mining History, Gems, and Geology, Maine Geological Survey, Augusta, Maine, p. 333-336.
Rocks & Min.: 60: 113;
Rocks & Min.: 75(3): 156-169;
Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 32 (Table A-1).
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