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Copper King Mine (Copper Bullion Mine; Solid Copper Mine), Copper King Mountain, Copper Mountain District (Clifton-Morenci District), Shannon Mts, Greenlee Co., Arizona, USA

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Latitude & Longitude (WGS84): 33° 6' 51'' North , 109° 19' 45'' West
Latitude & Longitude (decimal): 33.11417,-109.32917

A former underground Cu-Ag-Au mine located on 2 patented claims (Solid Copper and Copper Bullion), in the SW¼ sec. 2, T4S, R29E, about 2 miles East of the Metcalf site, in the Copper King Mountain area, on private land. Situated near Rocky Gulch, SE of Copper King Mountain; about 200 feet below the summit of Copper King Mountain on its SE slope. Discovered by the New England Mining Co. Produced 1906-1910. Owned by the Phelps Dodge Corp., Morenci Branch. Past operators included the New England and Clifton Consolidated Copper Co; and the Detroit Copper Mining Co. of Arizona.

Mineralization is a tabular ore body associated with Morenci Granite Porphyry. The ore zone is 121.92 meters long and 2.44 meters wide, striking NE and dipping 70-76 NW. Ore control was a NE-trending fissure. The concentration process was surface leaching of carbonate ores. Alteration is oxidation to 300 feet of depth.

Local structures include block faulting with a prominent fault trending NE of the SE side of Copper King Mountain, and NE-trending granite porphyry dikes.

Tectonic component is Cpper King Mountain and the transition zone between the Basin and Range and Colorado Plateau Provinces.

Ore assays at $1 to $4 of Au per ton (period values).

Workings are 1066.8 meters long and 243.84 meters deep. The length of workings was estimated; 2 shafts. Description applies to the West shoot; the North shoot was undeveloped at the time of the latest MRDS data.

Mineral List

3 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

Calymmian - Statherian
1400 - 1800 Ma
Proterozoic granitic rocks

Age: Proterozoic (1400 - 1800 Ma)

Description: Undivided Early and Middle Proterozoic granitic rocks (units Xg and Yg). (1400-1800 Ma)

Lithology: Major:{granitic}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Lindgren W. (1905) The Copper Deposits of the Clifton-Morenci District, Arizona. USGS Professional Paper 43: 363: 212.

Wilson, E.D., et al (1934), Arizona Bureau of Mines Bull. 137: 187.

U.S Bureau of Land Management District map 839.

U.S. Bureau of Mines - Arizona Bureau of Geology and Mining Technology file data.

MRDS database Dep. ID #10048128, MRDS ID #M800158.

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