Mine detail: Maskwa

Previously called 'Maskwa Open PitMaskwa West'

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Location

Lat / long:

50.46667, -95.45033

Resource(M)

Secondary:	Nickel, Copper
Tertiary:	PGE
Ore:	Chalcopyrite, Pentlandite, Pyrrhotite
Gangue:	Chlorite, Magnetite, Millerite, Pyrite, Talc
Orebody form:	IRREGULAR
Discovery year:	1974

Production

Operation type:	Unknown
Production size:	Unknown
Development status:	Prospect
First production started:	1974
Last production ended:	1976

Geology

Host type:	Pyroxenite
Associated rock:	Bird River Greenstone Belt;Maskwa Lake Quartz Diorite;Lac Dv Bonet Quartz Monzonite Pluton
Associated type:	Diabase,Gabbro
Structure:	Maskwa Mine Located In Basal Unit Of Bird River Sill And Volcanic Rocks. Belt Folded In Major Anticline With Axis Plunging E To Se. Prominent Nw-Se Faulting In Belt, Bird River Sill Layered And Differentiated Ultramafic To Anorthositic Gabbro. Compositional Layering Indicates Topfacing South. Intense Nw And W Nw Faulting Present. Sill Is Synvolcanic And Has Avg. Thickness 1000m
Tectonic:	Bird River Greenstone Belt Part Of English River Gneissic Block Of Precambrian Shield
Alteration processes:	Extensive Near-Surface Supergene Alteration

References

MRDS	M046987
DEP	10039341
Reference	{Deposit:: ANNIS, CRANSTONE, AND VALLEE, 1978 , KNOWN MIN. CA.: DEPT. ENERGY, MINES RESOURCES CA., BULL. MR 181}{Deposit:: CANADIAN MINES HANDBOOK, 1973 - 74 : NO. MINER, P. 207}{Deposit:: COATS, STOCKFORD, AND BUCHAN, 1979, GEOLOGY OF MASKWA WEST NICKEL DEPOSIT, MANITOBA: CANADIAN MINERALOGIST, VOL.17, PP. 309 - 318}{Deposit:: FOGWILL, DOUGLAS, AND BAMBURAK, JAMES, 1987, MINING IN MANITOBA: MANITOBA ENERGY AND MINES, MINERAL EDUCATION SERIES, 46 P.}{Reserve-Resource:: ANNIS ETAL., 1978 , KNOWN MIN. CA. NOT MINED; FOGWILL AND BAMBURAK, 1987, P. 25.}
Reporter	Saso, Jerri L., Bolm, Karen S., Oster, Karel L.