Database name: |
World Fe-oxide+/-Cu-Au-U (IOCG) deposits |
Compilers: |
Sunil S. Gandhi |
Release date: |
2015-03-04 |
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Deposit name(s): |
Glacier Bay Copper Showing |
Political location(s): |
Canada; Province or state: Northwest Territories; Nearest community: Yellowknife (450 km NNW) |
NTS map data: |
086K04 (Vance Peninsula) |
Deposit clan (type): |
Olympic Dam-type |
Deposit (sub) types: |
veins; very coarse magnetite-sulphides-calcite aggregate 40 x 25 cm in area, occurs in a gently curving northwest-trending vein where a subsidiary vein branches off to the NNW; hosted by massive andesite veins; a shallow trench on the coarse aggregate shows crystals of magnetite up to 5 cm long, of pyrite 2 cm to a side, chalcopyrite aggregates up to 6 cm long; notable amounts of Au, Ag and Co occur with Cu |
Deposit status: |
showing; Size category: very small; Status comments: an old showing located on the north shore of Glacier Bay, 5 km southwest of aircraft landing strip near Port Radium; restaked by Kalvik Mining Services Ltd. in 1996; old trenches mapped and resampled |
Geologic province: |
Wopmay Orogen |
Geologic subprovince: |
Great Bear Magmatic Zone |
Deposit object located: |
main trench |
Commodities: |
Fe; Cu; Au; Ag; Co; Bi; As |
Mineralization styles: |
breccia-fillings; veins |
Host rocks: |
(1) volcanic; intermediate volcanic rocks (porphyritic andesite); Metamorphic grade: none |
Metallogenic signatures: |
Fe-Cu-Au-Ag-Co |
References: |
Hildebrand, R. S., 1986 |
Kiruna-Type Deposits - their Origin and Relationship to Intermediate Subvolcanic Plutons in the Great Bear Magmatic Zone, Northwest Canada |
Economic Geology, Volume 81, p. 640 - 659 |
Reardon, N. C., 1989 |
The Mystery Island Suite and Associated Alteration Haloes, Great Bear Lake, Disitrict of Macenzie |
in Current Research 1989, Canadian Shield, Edited by Geological Survey of Canada, Paper , Geological Survey of Canada, 1989-C, p. 37 - 42 |
Reardon, N. C., 1993 |
Magmatic-Hydrothermal Systems and Associated Magnetite-Apatite-Actinolite Deposits, Echo Bay, Northwest Territories |
M. Sc. Thesis, University of Ottawa, Ontario, 154 p. |
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