Mine detail: Mill Canyon Property

Previously called 'Emma E. ClaimMill Canyon MineChuteOpen Cut targetScorpion King target'

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Location

Lat / long: 40.15991, -116.56342

Resource(M)

Primary: Gold
Secondary: Silver
Tertiary: Zinc, Copper, Iron, Manganese, Arsenic, Lead
Ore: Gold, Tetrahedrite, Galena, Pyrite, Argentite, Sphalerite, Chalcopyrite, Arsenopyrite, Realgar, Orpiment, Stibnite, Quartz
Gangue: Calcite
Orebody form: tabular
Discovery year: 1938

Production

Operation type: Surface-Underground
Deposit type: fissure vein
Production size: Small
Development status: Past Producer
First production started: 1938
Last production ended: 1940

Geology

Host rock:Wenban Limestone
Host type:Limestone
Associated rock:Mill Canyon Stock
Associated type:Quartz Monzonite
Structure:Roberts Mountains Thrust; Cortez Window, North-trending shear zones
Alteration processes:silicification and bleaching of carbonate rock near fissure veins

References

MRDSM232249
DEP10310460
Reference{Deposit:: Bentz, J., Bonham, H., Tingley, J.V., Smith, P., 1982, Field Examination Report, 7/82.}{Deposit:: Bonham, H.F., 1988, in NBMG MI-1987.}{Deposit:: Bonham, H.F., 1986, NBMG Map 91.}{Deposit:: NBMG Mining District File 109, Numerous Clippings.}{Deposit:: Foo, S.T., and Hebert, J. P., 1987, Geology of the Horse Canyon Deposit, Eureka County, Nevada, in Johnson, J. L., Ed., Guidebook for Field Trips, Bulk Mineable Precious Metal Deposits of the Western United States, Geological Society of Nevada Symposium, April 6-8, 1988, Reno, Nevada. p. 326-332}{Deposit:: Roberts R. J., et al., 1967, Geology and Mineral Resources of Eureka Co., NBMG Bull 64}{Deposit:: USBM (Winnemucca) MILS No. 41, Ref. No. 3201100019, Mineral Property File 37.053}{Deposit:: Vanderburg W.O., 1938, Reconnaissance of Mining Districts in Eureka Co. Nev., USBM I.C. 7022}{Deposit:: Gilluly J. & Masursky H. (1965) Geology Of The Cortez Quadrangle Nev., USGS Bull 1175.}{Deposit:: Long, K.R., DeYoung, J.H., Jr., and Ludington, S.D., 1998, Database of significant deposits of gold, silver, copper, lead, and zinc in the United States; Part A, Database description and analysis; part B, Digital database: U.S. Geological Survey Open-File Report 98-206, 33 p., one 3.5 inch diskette}{Deposit:: Unpublished report by Cortez Gold Mines, 1983.}{Deposit:: McCormack, John K., 1991, written communication.}
ReporterLaPointe, D. D. , Schruben, Paul G.