A copper-zinc mine located 200 km East of Thunder Bay near Manitouwadge. Ore is an Archean Cu-Zn massive sulfide deposit. Mine is at least to the 2,850 level.
This volcano-sedimentary deposit has been affected by an amphibolite facies metamorphism (T=650 °C, P=6 kb) resulting in the formation of rocks such as gedrite-cordierite gneisses (cf. Petersen, 1984).
Refs.:
- Petersen, E.U. (1984), Economic Geology: 81(2): 323-342.
- Stevenson, R.K. and Martin, R.F. (1986) Implications of the presence of amazonite in the Broken Hill and Geco metamorphosed sulfide deposits. Canadian Mineralogist: 24: 729-745.
Mineral List:29 entries listed. 24 valid minerals.
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