A tin-zinc-copper-silver mine with 3 million tons ore reserves (1984) at about 1.0% Sn. Owned by Carnon Consolidated Ltd. (subsidiary of Rio Tinto Zinc). Produced 295,093 tons ore (1,863 tons Sn) (1984) & 285,246 tons ore (1,627 tons Sn) (1983).
Ref.: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 953.
Mining Annual Review (1985): 485.
Lapis (1986): 11(2): 34-38.
Mineralogical Record (1990): 20(5): 395.
Golley & Williams, 1995 - "Cornish Mineral Reference Manual": 51.
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UK OS Grid Reference: SW772426
Map Reference: 50°14'26"N , 5°7'30"W
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