Mine detail: Heddleston Deposit

Previously called 'Carbonate Mine - 0300490040Heddleston Copper ProjectHeddleston GroupMidnight Mine - 0300490284Paymaster Mine - 0300490242Anaconda Mine - 0300490146Mike Horse Mine - 0300490362'

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Location

Lat / long: 47.0233, -112.3627

Resource(M)

Primary: Copper
Secondary: Molybdenum, Silver, Lead, Zinc, Gold
Ore: Chalcocite, Chalcopyrite, Covellite, Molybdenite, Pyrite, Sphalerite, Galena, Arsenopyrite, Bornite, Tetrahedrite
Gangue: Biotite, Feldspar, Plagioclase, Quartz
Orebody form: lenses and shoots
Discovery year: 1898

Production

Operation type: Surface
Deposit type: Porphyry Cu-Mo
Development status: Past Producer
First production started: 1915

Geology

Host type:Quartz Monzonite,Porphyry
Associated rock:BELT SERIES SPOKANE FORMATION
Associated type:Quartzite,Argillite,Diorite,Trachyte

References

MRDSW016825
MAS300490004
DEP10221947
Reference{Deposit:: MILLER, R.N. SHEA, E.P., GODDARD, C.C. JR., POTTER, C.W., AND BROX, G.B., APRIL 1973, GEOLOGY OF THE HEDDLESTON COPPER-MOLYBDENITE DEPOSIT, LEWIS AND CLARK COUNTY, MT.: PROCEEDINGS OF THE 1973 PACIFIC NW MINING AND METALS CONFERENCE.}{Deposit:: PARDEE, J.T. AND SCHRADER, F.C., 1933, METALLIFEROUS DEPOSITS OF THE GREATER HELENA MINING REGION: USGS BULL. 842, 318 p.}{Deposit:: LAWSON, D.C., 1975, DIRECTORY OF MINING ENTERPRISES FOR 1974: MBMG BULLETIN 95, P. 14.}{Deposit:: MELSON, W.G., 1964, GEOLOGY OF THE LINCOLN AREA, MONTANA AND CONTACT METAMORPHISM OF IMPURE CARBONATE ROCKS: PH. D. DISSERTATION, PRINCETON UNIVERSITY, 153 P.}{Deposit:: MCCLERNAN, H.G., 1983, METALLIC MINERAL DEPOSITS OF LEWIS AND CLARK COUNTY, MONTANA: MBMG MEMOIR 52, 73 P.}{Deposit:: RICHMOND, R.C., 1975, GEOLOGICAL EXPLORATION IN THE HEDDLESTON DISTRICT, MONTANA. PROCEDDINGS OF THE 1973 PACIFIC NWMINING AND METALS CONFERENCE, APRIL 1973. MONT. BUREAU OF MINES AND GEOL. BULLETIN 95, P. 14.}{Deposit:: ROBERTSON, F., 1956, GEOCHEMICAL PROSPECTING BY SOIL ANALYSES IN MT, MT BUREAU OF MINES & GEOLOGY BULL. 7.}{General:: http://www.cbre.com/NR/rdonlyres/B8A28904-58AE-4CD5-B26A-BBD8289AF853/479303/HeddlestonTeaser.pdf (Information provided to prospective buyers of the property).}
ReporterSpear, James M., Fisher, Fred S., Mlynarczyk, Meg S., Causey, J. Douglas