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Montcalm Mine, Montcalm Township, Cochrane District, Ontario, Canada

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Latitude & Longitude (WGS84): 48° 39' 53'' North , 82° 5' 25'' West
Latitude & Longitude (decimal): 48.6647222222, -82.0902777778
Part of the Montcalm Complex which contains three lithologic units: a basal pyroxenite zone, a gabbro - anorthositic gabbro zone and a ferroan gabbro zone. The deposit consists of three steeply dipping, irregularly shaped sulphide-rich lenses which are separated by grantitic dikes. these lenses extend approximately 200 m in a north-south direction and have a maximum width of 25 m. The lenses have been termed West Zone, East zone and Deep Zone. The upper portion of the Deep Zone is about 250 m below surface. In 1995, the deepest intersect on the Deep Zone was 450 m below surface. Sulphide mineralization can be divided into three texturally distinct groups. These are: disseminated sulphide, massive and net-textured sulphide and inclusion-breccia mineralization.

Mineral List

6 entries listed. 6 valid minerals.

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Barrie, C.T., Naldrett, A.J., Davis, D.W., (1990) Geochemical constraints on the genesis of the Montcalm gabbroic Complex and Ni–Cu deposit, western Abitibi Subprovince, Ontario. Canadian Mineralogist 28,451–474.
MDI Number: MDI42B09NE00007

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