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Mine Descriptions

Liberty Mine

Mining District and Mines

Cerro Colorado District

USBM:

Location

20S 10E NE¼ 16, 31.6942N, -111.23202W7

Mineral Products7

Ag, Au, Pb, Cu.

Ownership7

Owner Name: Liberty Mng. and Smltng Co.

Type of Operation and Production7

Shaft and pit workings. Operated sporadically from mid-1800’s to early 1900’s, producing some 100 tons of ore averaging about 80 oz. Ag/T, 0.5 oz. Au/T, and minor amounts of lead and copper.

Geology7

Irregular quartz fissure vein with spotty oxidized argentiferous galena, and minor gold and copper mineralization.
.

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).
  7. Index of Mining Properties in Pima county, Arizona; Stanton B. Keith, Arizona Geological Survey, Bulletin 189 (1974).