Latitude: 33°44'35"N
Longitude: 113°11'27"W
‡Ref.: Wilson, E.D., et al 1934), AZ Bur. Mines Bull. 137: 163; ‡Ref.: Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, AZ Dept. Mines & Min. Resources Open File Rept. 92-10: 10 (Table 1); Allen, G.B. (1985), Economic Geology of the Big Horn Mountains of west-central Arizona: AZ Bur. of Geol. & Min. Tech. open-file report 85-1; AZ Bur. Mines Bull. 137: 163; USGS 15 minute Big Horn Mountains topo map; AZ Dept. Min. Resources (ADMR) El Tigre Mine file; Elsing, M.J. & R.E.S. Heineman (1936), Arizona metal production, AZ Bur. Mines Bull. 140: 94; AZ Dept. Min. Resources (ADMR) "U" file; Cunningham & Butler, AZ Bur. Mines Bull. 137: 157-162; US Bur. Mines card file; MRDS files #10027591 & 10137796.
A former underground Au-Cu-Ag mine located in the NW¼ sec. 20, T.6N., R.4W. (Wickenburg SW 7.5 minute topo map), 15 road miles South of Aguila. Discovered in 1914 by the Sisson Brothers. Worked 1918 to 1924.
33.74333; -113.19028, or 33.74360; -113.19030.
Mineralization is hosted in fine-grained gneissic granite intruded by basic dike rocks. Floors a hilly pediment. The ore occurs within a nearly flat fault zone that consists of massive to coarse-grained, shiny quartz with abundant specularite and limonite. Wall rock is notably altered to sericite and have spotty, moderately intense alteration. The orebody is very lenticular with a maximum wodth of about 5 feet (1.5 meters). Ore control was a flat fault zone. Related structures are the Little Horn Peak fault and the Flat Fault zone.
Workings include 3 inclined shafts (50, 197 & 200 feet deep, respectively). Production was more than $14,454 in Au (period values).
Mineral List
4 entries listed. 1 valid mineral.
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