Description
Sheridan Geophysics Ltd.
Commodities
PrimaryCopper, Nickel
SecondaryGold
TertiaryPlatinum, Palladium
Commodity typeM
Deposit
Deposit typeStratiform
Deposit sizeY
Materials
Ore mineralsChalcopyrite, Pentlandite, Pyrite, Pyrrhotite
GangueGold, Magnetite, Olivine, Pyroxene, Sericite, Serpentine, Spinel, Talc, Zoisite
Geology
Host rockGabbro,Norite,Anorthosite,Clinopyroxenite
StructureMafic, Ultramafics Of Lac Des Iles Complex, Diabasic Sills And Dikes Intrude E-Ne Striking Granites, Gneisses, Mafic, Intermediate And Felsic Metavolcanic And Metasedimentary Rocks., Western Gabbroic Unit Layered By Accumulation.
Tectonic settingPrecambrian Shield
AlterationMost Intense In Clinopyroxene-Rich Rocks. Alteration Is Deuteric, But Also A Result Of Fluids Mobilized During Eastern Gabbro And/Or Granitic Intrusion. Finally Metamorphosed To Amphibolite-Greenschist Facies.
Economic & production
Development statusProducer
Discovery year1974
Identification
Deposit ID10039180
MRDS IDM046737
RegionNA
Data scoreB
Coordinates49.25001, -89.58342
References
LAC DES ILES PT - PD : THE NORTHERN MINER, FEB. 12 , 1976 ; OCT. 21 , 1976 , V. 62 , NO. 32 AND OCT. 28 , 1976WATKINSON AND DUNNING, 1979, GEOLOGY AND PT. GROUP MINERALIZATION, LAC DES ILES COMPLEX, NW ONTARIO: CANADIAN MINERALOGIST, VOL. 17 PP. 453-562.1976 DIREXPL BOSTON BAY MINES LTD.1976 DIREXPL TEXASGULF