Sunset Mine group

Alternate Names

none

Company

Clarke².

Arizona Geological Survey Mining data

http://docs.azgs.az.gov/OnlineAccessMineFiles/S-Z/SunsetgroupSantacruz200b.pdf

Mining District and Mines

Pajarito District

Location

South of Pena Blanca Canyon.

24S 12E N. NE¼ 3⁵

Mineral Products

Ag, Pb, Au, Cu-, Zn-, (U, Mo,V).⁵

Geology

Spotty, oxidized argentiferous lead mineralization with pyrite and minor chalcopyrite, wulfenite, vanadinite, and traces of uranium in irregular, lensing, and narrow fissure zone cutting Cretaceous quartz latite volcanics. Silver and gold pockets in oxidized pyrite gossan⁵.

Type of Operation and Production

Shaft, adit, and open cut operations. Worked prior to 1900 and sporadically from 1924 through 1969,producing over 300 tons of ore averaging about 60 oz. Ag/T, 33% Pb, o.3 oz. Au/T and minor Cu ⁵.

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, F. C. Schrader, U.S. Department of Interior, 1915. Republished 2014 by Kerby Jackson.
3. Mike Bertram,
4. USGS Mineral Resources Data System - using WGS84 (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. Heylmun, Edgar B., The Pajarito Mining District, California Mining Journal, v.53, #7 (1984)