Mine Descriptions

Jarilla mine


image not found
image not found
image not found
image not found

[Ref. 2]


Ownership

Bullion, Stockton, Ish, Gusteller & Curtis, Las Jarillas Mg. Co., Gross5


Location

31.4732,-110.7879; 31.4839 N, 110.7633 W3

23S 15E Cen. SE¼ 95


Mineral Products

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


Geology

Lensing fissure veins with well banded quartz, argentiferous galena, and minor chalcopyrite that has been crushed. Gouge borders. Few pockets of wulfenite. Oxidized at the surface to drusy quartz, psilomelane, lead and copper carbonates, and pockets of horn silver. Lead mineralization increased with depth. Deposit lies along a fault zone parallel to a contact of Jurassic granite with Precambian metamorphics.5


Type of Operation

Shaft operations. Mined by Mexicans prior to 1880 and sporadically to 1924. Estimated and recorded production would be some 100 tons of ore averaging about 190oz. Ag/T, 37% lead, 0.1 oz. Au/T and minor Cu5.


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