Mine detail: Homestake

Previously called 'Lead'

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Location

Lat / long: 44.25552, -103.84669

Resource(M)

Primary: Gold
Secondary: Silver
Ore: Gold
Gangue: Magnetite, Marcasite, Pyrite, Pyrrhotite, Specularite
Orebody form: PIPES AND LENSES
Discovery year: 1876

Production

Operation type: Unknown
Production size: Large
Development status: Producer
Production years: 1876-1974
First production started: 1876
Last production ended: 1974

Geology

Associated rock:Granite Porphyry, Cutting Stock;Rhyolite & Syenite Dikes;Amphibolite, Irregular Intrusives
Associated type:Syenite,Rhyolite,Granite
Structure:Black Hills Dome, Local Subsidiary Domes, Lead Syncline
Tectonic:Platform
Alteration processes:Chloritization

References

MRDSW002489
DEP10069099
Reference{Deposit:: SLAUGHTER, A. L., 1968, THE HOMESTAKE MINE, IN: J. D. RIDGE, ED., ORE DEPOSITS OF THE UNITED STATES, 1933-1967, VOL. II, A.I.M.E., NEW YORK, 1968, P. 1436-1459}{Deposit:: NOBLE, J. A., ET AL, 1949, STRUCTURE OF A PART OF THE NORTHERN BLACK HILLS AND THE HOMESTAKE MINE, LEAD, SOUTH DAKOTA: BULL. G.S.A. 60: 321-352}{Deposit:: MCLAUGHLIN, D. H., 1949, THE HOMESTAKE MINE: CANADIAN MINING JOURNAL 70 (12): 49-53}{Deposit:: THE HOMESTAKE ENTERPRISE: ENGINEERING AND MINING JOURNAL VOL. 132, NO. 12, 1932}{Deposit:: 1876 DIREXPL HOMESTAKE MINING CO.: CONTINUED PRODUCTION}{Deposit:: 1904 GEOLMAP IRVING, J. D., ET AL, PROF. PAPER 26}{Production:: ITEM 8: SIMONS, F.S., AND PRINZ, W.C., GOLD, IN: UNITED STATES MINERAL RESOURCES, USGS PROF. PAPER 820, P.267. ITEMS 9 AND 10: SLAUGHTER, A.L., THE HOMESTAKE MINE, IN: ORE DEPOSITS OF THE UNITED STATES, 1933-1967, AND U.S.B.M. MINERALS YEARBOOKS 1966-1971, AND CONOLLY, T., 1974, MINING ENG. 26(3): 24-27. (COMPILATION).}
ReporterReeves, James R.