Latitude: 31°54'47"N
Longitude: 111°40'14"W
Ref.: Dale, V.B., Stewart, L.A., and McKinney, W.A. (1960), Tungsten deposits of Cochise, Pima, and Santa Cruz Counties., Arizona, U.S. Bureau of Mines Report of Investigation 5650: 70.
Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 110 (Table 4).
MRDS database Dep. ID file #10039475, MRDS ID #M050137; and, Dep. ID #10113175, MAS ID #0040190412.
A small former surface and underground W mine located in secs. 29, 31 and in the SE ¼ sec. 30, T.17S., R.7E. (protracted), about ¾ mile S of San Juan Spring. Discovered in 1954 by George W. Sparks.
Mineralization is a lens-shaped ore body with spotty scheelite along a fracture zone in Cretaceous sediments metamorphosed to quartzite and hornfels. The ore body strikes S20W and dips 70SE.
Workings include open cuts, one main adit, and a shaft(s). Some 100 tons of 0.5% WO3 were mined in the mid-1950's.
Mineral List
1 entry listed. 1 valid mineral.
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.
Mineral and Locality Search
