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Mine Descriptions

Triangle Mine

Mining District and Mines

Oro Blanco District

Location

?5

Mineral Products6

Au, Ag

Ownership6

Owner Names: St. Clare, Clark, Hill, Cordova

Type of Operation and Production6

Shaft operations.

Geology6

Breciatted shear zone cemented by finely crystalline quartz containing fine grain gold and silver mineralization. Wall rock is Cretaceous conglomerate.

 

References

  1. Mineral Appraisal of Coronado National Forest, Part 12, Santa Rita Mountains Unit, MLA11-94 (1994). SR 591-609
    https://data.azgs.arizona.edu/api/v1/collections/BMRI-1552428987530-264/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. mindat.org
  4. USGS Mineral Resources Data System - possibly using NAD72 (https://mrdata.usgs.gov/mrds/map-commodity.html#home)
  5. https://westernmininghistory.com/mine-detail/10162214/
  6. Index of Mining Properties in Santa Cruz county, Arizona; Stanton B. Keith, Arizona Geological Survey, Bulletin 191 (1975).