Mine Descriptions

Santa Nino Mine


Patagonia Mining district

Company

Havalina Mg. Co., Miama Copper Co., Southern Copper Mines Co., Beyerie, Santo Nino Mg. Co., Young & Gardner, Santo Nino lessees.

Location

?

Mineral Products

Cu, Mo, Ag, Au-, Pb-, Zn-

Type of Operations

Adit operations. Worked sporadically from the early 1900's through 1955, producting some 20,100 tons of ore averaging about 7% Cu, 1 oz. Ag/T, and minor Au. Some 299 tons of Mo ore concentrated to 16 tons of MoS2 concentrates.5

Geology

Lenticular, intensely feldsparitized zone with disseminated chalcopyrite, pockets of molybdenite, pyrite and pods of quartz surrounded by zones of quartz-sulfide veinlets along faults, fissures, and joints in Laramide grandiorite.5


  1. Mineral Appraisal of Coronado National Forest, Part 12, Santa Rita Mountains Unit, MLA11-94 (1994). SR 591-609
    http://repository.azgs.az.gov/sites/default/files/dlio/files/nid1813/usbm_mla_011-94.pdf
  2. Mining in the Santa Rita and Patagonia Mountains of Arizona, U.S. Department of Interior, 1915. Republished 2014 by Kerby Jackson.
  3. Mike Bertram,
  4. USGS Mineral Resources Data System - using WGS84 (https://mrdata.usgs.gov/mrds/map-commodity.html#home)
  5. Index of Mining Properties in Santa Cruz County by Staton B. Keith, bulletin 1991, Arizona Geological Survey, 1975