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Mine Descriptions

Domino mine

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[Ref. 2]

Ownership

Brownee, Stockton, Gray, Brown5

Location

31.4732,-110.7879; 31.4839 N, 110.7633 W3

22S 15E Cen. SW¼ 355

Mineral Products

Ag, Pb, Cu, Au-, Zn-, Mo-5

Geology

Pockety argentiferous galena, partially oxidzed to cerussite, minor oxidized copper minerals, and wulfenite in a quartz and gouge gangue along a strong shear zone cutting altered and leached Precambian metamorphic rocks, intruded by Jurassic granitic intrusive.5

Type of Operation

Shaft and pit operations. Over 250 tons of pb - Ag ore mined in the late 1800's and up through 1937 the output would be some 350 tons of ore averaging about 56 oz. Ag/T, 39% Pb, 1% Cu, and minor Au5.

References

  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, 11/21/23
  4. USGS Mineral Resources Data System - possibly using NAD72 (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
  6. Geology of the Three R Mine, Palmetto Mining District, Santa Cruz County, Arizona by Paul Handverger, MS thesis 1963, University of Arizona
  7. https://mrdata.usgs.gov/mrds/show-mrds.php?dep_id=10046338
  8. https://azdeq.gov/Three-R-Mine
  9. https://tucson.com/news/local/three-r-mine-contributed-to-arizonas-rep-for-copper-production/article_2a25e1e1-7280-5fd5-be97-a40732a39b1b.html