This is historical information

Historical information is provided for reference, research or recordkeeping purposes, it is not maintained. Visit our Project Inventory page to learn about MPMO’s ongoing initiates. Contact the Major Projects Management Office for additional information.

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Marathon Copper Mine

Federal Review Status:
Active/In Progress

Stillwater Canada Ltd.'s proposed Marathon Copper Mine project is a copper mine with a production capacity of approximately 22,000 t/d located at 10 km north of the Town of Marathon, Ontario. The project includes an open pit mine, a mineral processing facility, a tailings area, waste rock stockpiles, access roads and related infrastructure.

Minerals and Metals

10 km north of the Town of Marathon, Ontario.

Stillwater Canada Inc.

MPMO Officer:
Regent Dickey
Senior Advisor, Technology
Major Projects Management Office
580 Booth Street, 12th Floor
Ottawa, Ontario K1A0E4
Telephone Number: 613-996-1133


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