Mine Descriptions

Warsaw Mine group


Mining District and Mines

Oro Blanco District

Location

?5

Mineral Products6

Ag, Au, Cu, Pb, Zn

Ownership6

Owner Names: Pittsburg, Reich; Huntington, Pyratt, Hack, Anderson, Roxy Mg. Co., Bruce.

Type of Operation and Production6

Shaft and adit workings. Located in the late 1800's and produced through 1964 some 800 or more tons of ore averaging about 11 oz. Ag/T, 0.2 oz. Au/T, 2% Cu, and 1% Pb.

Geology6

Lensing quartz vein along a fault zone with pyrite strings and associated disseminated chalcopyrite, galena, and sphalerite, largely oxidised and supergene enriched to chalcocite, covellite, malachite, native silver, embolite and possibly other silver halides. Wall rock at the Warsaw mine is Jurassic diorite while the Reich is an offset section in Jurassic tuff and diorite cut by rhyolite dikes.

 


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).