Mine detail: South Filson Creek deposit

Previously called 'Filson Creek'

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Location

Lat / long:

47.82167, -91.67378

Resource(M)

Primary:	Copper, Nickel
Secondary:	Palladium, Platinum, Gold, Silver, Cobalt
Ore:	Bornite, Chalcocite, Chalcopyrite, Covellite, Cubanite, Digenite, Galena, Millerite, Niccolite, Pentlandite, Pyrrhotite, Sperrylite, Sphalerite
Gangue:	Biotite, Chlorite, Iddingsite, Ilmenite, Magnetite, Sericite, Serpentine, Stilpnomelane
Orebody form:	DISSEMINATED, DISCONTINUOUS VEINLETS
Discovery year:	1967

Production

Operation type:	Unknown
Production size:	None
Development status:	Prospect

Geology

Host rock:	South Kawishiwi Intrusion
Host type:	Troctolite
Associated rock:	Giants Range Batholith
Associated type:	Granite
Alteration processes:	Serpentine/Mica Assemblage, Later Argillic Alteration, Localized Hematitic Alteration, Greenschist Facies Assemblage

References

MRDS	MP00053
DEP	10048466
Reference	{Analytical Data:: KUHNS AND OTHERS, 1990; MORTON AND HAUCK, 1989; HAUCK AND BARNES, 1989}{Deposit:: KUHNS, M.J.P., HAUCK, S.A., AND BARNES, R.J., 1990, ORIGIN AND OCCURRENCE OF PLATINUM GROUP ELEMENTS, GOLD AND SILVER IN THE SOUTH FILSON CREEK COPPER-NICKEL MINERAL DEPOSIT, LAKE COUNTY, MINNESOTA: NATURAL RESOURCES RESEARCH INSTITUTE TECHNICAL REPORT NRRI/GMIN-TR-89-15, 60 P.}{Deposit:: MORTON, PENELOPE, AND HAUCK, S.A., 1989, PRECIOUS METALS IN THE COPPER-NICKEL DEPOSITS OF THE DULUTH COMPLEX, IN MOREY, G.B., ED., WORKSHOP ON THE APPLICABILITY OF GOLD AND PLATINUM-GROUP-ELEMENT MODELS IN MINNESOTA: MINNESOTA GEOLOGICAL SURVEY INFORMATION CIRCULAR 30, P. 47-48.}{Deposit:: HAUCK, S.A., AND BARNES, R.J., 1989, PRECIOUS METALS (PT-PD-AU-AG) IN THREE COPPER-NICKEL DEPOSITS IN THE DULUTH COMPLEX: NATURAL RESOURCES RESEARCH INSTITUTE, CENTER FOR APPLIED RESEARCH AND TECHNOLOGY DEVELOPMENT, TECHNICAL SUMMARY REPORT NRRI/GMIN-TSR-89-1, 19 P.}
Reporter	Peterson, Jocelyn A., Woodruff, L.G.