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Apache Mine (Apache manganese deposit; Grey Manganese Mine; Kuno Mines Co.; Kuehne Manganese Mine), Medicine Butte area, Fort Apache Indian Reservation, Gila Co., Arizona, USA

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A former surface and underground Mn-Cu-Co-Ag mine located in sec. 30, T5N, R16E, about ¼ mile East of Medicine Butte, on Indian Reservation land. Started 1941.

Mineralization is an irregular ore body in steeply dipping fracture zones that range in strike from NW to NE. The ore zone is 60.96 meters long, 0.61 meters wide, with a depth-to-top of 0 meters, depth-to-bottom of 7.62 meters.

Mineralization occurs in steeply-dipping fracture zones that range in strike from NW to NE. The zones differ in width, the manganese minerals occurring in narrow veins interlacing seams and small nodular masses distributed erratically in the sheared & shattered gravel beds. Gangue is composed largely of quartz, unreplaced pebbles and fragments of gravel. Mineralized zone is about 25 feet (8 meters) wide on the South end of the property and strikes SE-ward. About 250 feet North, mineralization is as much as 60 feet wide.

Workings include an open cut 60 feet (19 meters) long and 25 feet (8 meters) maximum depth.

Assay data: A sample from the south opening contained 9.0% Mn, that from the largest opencut assayed 8.5%, and the sample from the northern most deposit contained 8.4% Mn. Composite sample weighed about 400 pounds and contained 8.4% Mn, 3.6% CaCO3, and 0.19% Cu, plus 0.1 oz. Ag per ton.

Mineral List



4 entries listed. 2 valid minerals.

The above list contains all mineral locality references listed on mindat.org. 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 mindat.org 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.

References

Farnham, L.L., Stewart, L.A., and Delong, C.W. (1961), Manganese deposits of eastern Arizona, U.S. Bureau of Mines Information Circular 7990: 81.

Moore, R.T. (1968), Mineral deposits of the Fort Apache Indian Reservation, Arizona, Arizona Bureau of Mines Bull. 177: 36-39.

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 337, 417.

USGS Blue House Mountain Quadrangle map.

Arizona Department of Mineral Resources Apache Manganese Mines file.

Arizona Department of Mineral Resources U file, Mn 10.

MRDS database Dep. ID #10026831, MRDS ID #M000454; and Dep. ID #10258508, MAS ID #0040070141.

 
Mineral and/or Locality  
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