Mine detail: Atlanta Mine

Previously called 'Atlanta Home ClaimAtlanta Nos. 1-3 ClaimAtlanta Strip No. 1 ClaimHillside ClaimSparrow Hawk ClaimPactolion Fraction ClaimBelle ClaimStandard Slag Mine'

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Location

Lat / long:

38.46578, -114.32251

Resource(M)

Primary:	Gold
Secondary:	Silver
Tertiary:	Uranium, Iron, Manganese
Ore:	Gold
Gangue:	Quartz, Pyrite, Chert, Jasper, Limonite, Clay, Alunite
Orebody form:	pipe
Discovery year:	1869

Production

Operation type:	Surface-Underground
Deposit type:	sediment-hosted, breccia
Production size:	Small
Development status:	Producer
Production years:	1871-1878, 1906-1915, 1934-1938, 1948, 1953-1955, 1966-1985
First production started:	1870
Last production ended:	1985

Geology

Host rock:	Tank Hill Limestone, Eureka Quartzite
Host type:	Limestone,Quartzite,Rhyolite,Ash-Flow Tuff,Volcanic Breccia (Agglomerate)
Associated rock:	Escalante Desert Formation
Associated type:	Rhyolite,Tuff,Rhyodacite,Andesite
Structure:	Basin-and-Range-style extension produced widely spaced normal faults that clearly cut all caldera-related structures and volcanic units, including the 28 Ma Ryan Spring Formation and some Quaternary gravels., Faults and breccia zones associated with the intersection of two caldera systems; the Atlanta Fault Zone, Mine Fault, and the Gold Fault. Ore is associated with a north-south trending caldera rim fracture.
Tectonic:	back-arc extensional cratonic basin
Alteration processes:	Alteration consists of silicification (jasperoid formation) and oxidation. Adjacent to the silicified zone, intracaldera volcanic rocks are altered to illite with some pyrite. Dolomite within the caldera wall is partly recrystallized and contains barite, calcite, and disseminated hematite. Weathering of pyrite in altered rocks produced supergene kaolinite alteration, which overprints much of the mineralized area.

References

MRDS	W031572
DEP	10310401
Reference	{Deposit:: Garside, L. J., 1973, Radioactive Mineral Occurrences in Nevada, Nevada Bureau of Mines Bulletin 81, P. 69.}{Deposit:: Tschantz, C. M., Pampeyan, E. H., 1970, Geology and Mineral Deposits of Lincoln Co., Nevada, Nevada Bureau of Mines Bulletin 73, pp. 162- 163.}{Deposit:: Hill, J., 1916, USGS Bull 648.}{Deposit:: Hulse, P., 1978, Gold Operations at the Atlanta Mine, Min. Eng, vol. 30, Sept, 1978, p. 1299-1301.}{Deposit:: Meyers, P. W., 1915, Developments at Atlanta, Nevada; Eng. and Min. Jour, vol. 99, no. 12, p. 541-542.}{Deposit:: NBMG mining district file 164, items 2, 3, 4, 6, 8,9}{Deposit:: Cox, John W., 1981, Geology and Mineralization of the Atlanta District, Lincoln County, Nevada; M. S. Thesis, Univ. of Nevada, Reno.}{Deposit:: NBMG, 1994, MI-1993}{Deposit:: LaBerge, Rene D.,1995, Epithermal gold mineralization related to caldera volcanism at the Atlanta District, east-central Nevada; in Geology and ore deposits of the American Cordillera; symposium proceedings, Geological Society of Nevada, Reno, NV, United States (USA), Coyner, Alan R; Fahey, Patrick L., eds.}{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:: S. Olmore, 2005, The Atlanta Gold Mine, Lincoln County, NV - Mineralization and Exploration Potential: 2005 SME Annual Meeting & Exhibit, February 28 - March 2; Salt Lake City, Utah.}{Deposit:: Northern Miner, 6/3/96}{Deposit:: NBMG MI-1996.}
Reporter	Schruben, Paul G., LaPointe, D.D.