Mine detail: Maskwa

Previously called 'Maskwa Open PitMaskwa West'

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Location: Manitoba, Canada, North America
Lat / long: 50.46667, -95.45033
dep_id: 10039341
mrds_id: M046987
Commodity type: metallic
Minor mineral: Nickel, Copper
Trace mineral: PGE
Operation type: Unknown
Production size: Unknown
Development status: Prospect
ore: Chalcopyrite, Pentlandite, Pyrrhotite
gangue: Chlorite, Magnetite, Millerite, Pyrite, Talc
orebody_fm: IRREGULAR
work_type: Surface
alteration: Extensive Near-Surface Supergene Alteration
conc_proc: Primary Magmatic Segregation In The Magma
ore_ctrl: Close Proximity Of Bird River Sill To Feeder Source And Magmatic Settling Towards Base Of Sill(Ref. No. 3,P316)
Reporter: Saso, Jerri L., Bolm, Karen S., Oster, Karel L.
hrock_type: Pyroxenite
arock_unit: Bird River Greenstone Belt;Maskwa Lake Quartz Diorite;Lac Dv Bonet Quartz Monzonite Pluton
arock_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
Year first produced: 1974
yr_lst_prd: 1976
disc_yr: 1974
discr: Dumbarton Mines Ltd.
References:
  • 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.
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