Leadville No. 2 Mine, Leadville Mines (Armstrong Mine; Andes Copper), Turquoise District (Courtland-Gleeson District), Dragoon Mts, Cochise Co., Arizona, USA
Ref.: Ransome (1912): 4-5, 9-11 (?).
Wilson, E.D. (1927) Geology and ore deposits of the Courtland-Gleeson region, Arizona: Arizona Bureau of Mines Bulletin 123, 79 p.: 60-61.
Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, AZ: 83 (Table 4).
Arizona Bureau of Mines files.
MRDS database Dep. ID file #10233981, MRDS ID #M800133, MAS ID #0040030640.
A former underground Cu-Ag-Au mine located in the NE ¼ sec. 20, T.19S., R.25E, on land of unknown status. Owned at times, or in part, by the Leadville Mining Co., Calumet & Arizona Mining Co., Needles Mining & Smelting Co., U.S. Smelting & Refining Co., and the Andes Copper Co.
Mineralization is large bodies of low grade cuperiferous pyritic ore in metamorphosed Abrigo Limestone near a fault contact Carboniferous limestone.
Workings include a shaft(s). The shaft inclines 60 degrees and was sunk in 1907. Workings exist approximately every 40-50 feet. Work in 1957 was on the 80 foot level. A total of several thousand tons of ore were produced from 1907 through 1917 and a small amount subsequently.
1 entry listed. 1 valid mineral.
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Locality Updated: Monte Falò, Coiromonte, Armeno, Novara Province, Piedmont, ItalyFrom Marco E. Ciriotti, 19th Dec 2014 14:32:43