Gold Hill Mine

Alternate Names

MacGregor, Clay, & Coughanour; Wilson, Anders & Demulling, Cheek

Company

None known

Mining District and Mines

Nogales District

Dura mine from anyplaceamerica.com

Arizona Geological Survey Mining data

http://docs.azgs.az.gov/OnlineAccessMineFiles/G-L/GoldhillSantacruz20C.pdf

Location

On Mount Benedict, north of Nogales

23S 14E E. Cen. 29⁵

31.4032N, 110.92596W⁴

Mineral Products

Au, Pb, Ag.⁵

Shallow pit, trench, and adit operations. Prospected in the mid-1800's and mined sporadically into the 1940's.Produced some 60 or more tons of ore averaging about 0.4 oz. Au/T, 3% Pb, 2 oz. Ag/T.⁵

Geology

Narrow, irregular veins of quartz and brecciated Jurassic quartz monzonite and mineralized with spotty, partially oxidized, auriferous and argentiferous galena and minor chalcopyrite. Associated dark pyritized dikes.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, 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