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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