Mine detail: Blue Ox Mine

Previously called 'Brown Tunnel'

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Location

Lat / long:

47.2746, -114.40347

Resource(M)

Primary:	Copper, Gold, Silver
Secondary:	Palladium, Platinum
Ore:	Bornite, Chalcopyrite, Chrysocolla, Cuprite, Gold, Malachite, Pyrite, Pyrrhotite, Sperrylite, Tenorite
Gangue:	Chlorite, Hematite, Limonite, Quartz
Orebody form:	FRACTURE FILLING, BRECCIA ZONES, VEINS

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Belt Supergroup
Host type:	Diorite,Gabbro,Quartzite,Argillite
Associated type:	Hornblendite
Structure:	Dike Lies Along East Limb Of A Broad Anticline. Northwest Folds And Faults, Some Northeast Faulting, North Striking Faults And Shears
Tectonic:	Belt Basin In Prot, Now Part Of Rocky Mountains
Alteration processes:	Argillic Alteration In Shears, Diorite Altered To Serpentine And Talc. Regional Greenschist To Epidote-Amphibolite Facies

References

MRDS	MP00106
DEP	10048516
Reference	{Deposit:: VAN LOENEN, R.E., HAFFTY, JOSEPH, AND EARHART, R.L., 1984, PLATINUM AND PALLADIUM IN A MAFIC DIKE, SANDERS COUNTY, MONTANA: U.S. GEOLOGICAL SURVEY BULLETIN 1694-G, P. 83-89.}{Deposit:: INGERSOLL, R.G., JR., GALLOWAY, GARY, AND DUNN, MICHAEL, 1982, FIELD INVENTORY OF MINERAL RESOURCES, FLATHEAD INDIAN RESERVATION, MONTANA: U.S. BUREAU OF MINES REPORT BIA 22-II, 38 P. + APPENDIX.}{Deposit:: CROWLEY, F.A., 1963, MINES AND MINERAL DEPOSITS (EXCEPT FUELS), SANDERS COUNTY, MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY BULLETIN 34, 58 P.}
Reporter	Rojstaczer, Stuart A., Peterson, Jocelyn A.