A former underground Pb-Ag-F-Ba-V-Mo-Zn-Au-Cu (As-Se-Be-Sb) mine group located in SW¼ sec. 30 & the NW¼ sec. 31, T4S, R18W (protracted), on the Cleveland-Chicago vein, 3,600 feet north (east ?) of the Flora Temple Mine, on federal land. Mines of this group were owned at times, or in part, by Mr. Pete Hodge (early owner); later, Messrs. De Luce, Haack, Timmons, and Young; the Mayhew Mining Co. (Messrs Felix Mayhew & Fred Timmons of Yuma [1933]); Castle Dome Mining Co.; K&W Mining Co. and Childress & Wright.
Mineralization is spotty, rich masses of partly oxidized, argentiferous galena in a gangue of crystalline and banded calcite, fluorite and minor barite, in a lensing fissure vein (Cleveland-Chicago vein) up to 3 feet (0.91 meters) wide and at least 1,400 feet (426.72 meters) long, with a strike of S30ºE, dip of 80SW, and a depth to bottom of 106.68 meters. along a fissure that dips about 80ºW. At the NW end it is in slate with a dike of quartz porphyry near the footwall. Farther SE, it cuts or lies near a dike of diorite porphyry. maximum width is 3 feet (1 meter), but mostly it is narrower. Wall rocks are well-bedded, steeply-dipping Mesozoic shale and impure limestone, cut by diorite porphyry and quartz porphyry dikes. Most of the outcrop is concealed by gravel. Ore exists down to about the 300-350 foot level. The barite is later than the fluorite.
Workings in this group are a series of relatively shallow shafts and stopes down at least 300 feet. Stope fills & dumps reworked in the early 1930's, late 1940's, and 1966-1967. This property has been practically idle from 1913-1930. Total production would be over 2,000 tons of 20% Pb and 5 oz. Ag/T. Some minor Zn, Cu and Au were recovered.
References
Wilson, E.D. (1933) Geology and Mineral Deposits of Southern Yuma County, Arizona. Arizona Bureau of Mines Bulletin 134: 100-101.
Phelps, Harlow D. Fluorspar Lead Silver Mines Castle Dome District. War Minerals Report O.
Haury, P.S. (1945) US Bureau of Mines Report on Arizona Lead Co, July, 1945.
Wilson, E.D., et al (1950), Arizona zinc & lead deposits, Part I, Arizona Bureau of Mines Bull. 156: 98-115.
Wilson, E.D., et al (1951), Arizona zinc and lead deposits, part II, AZ Bur. Mines Bull. 158: 112-113.
Keith, Stanton B. (1978), State of Arizona Bureau of Geology and Mineral Technology, Geological Survey Branch Bull. 192, Index of Mining Properties in Yuma County, Arizona: 119 (Table 4).
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10103549, MRDS ID #M030318; and, Dep. ID #10186402, MAS ID #0040270032.
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