Marathon Palladium Project

Generation PGM Inc. is proposing to construct, operate and decommission an open pit palladium mine approximately 10 kilometres from Marathon, Ontario. The proposed project would include three open pits, an ore processing plant, tailings and mine rock storage facilities, site access roads, a transmission line, explosives factory and magazines, water management facilities, ancillary mine infrastructure and associated activities. The rate of production would be approximately 25,000 tonnes of ore per day with a proposed operating mine life of approximately 13 years.


This map is for illustrative purposes. The markers represent the approximate locations based on available data. More than one marker may be identified for a given assessment.

Latest update

November 30, 2022 — The Minister of Environment and Climate Change issued the Environmental Assessment Decision Statement to the proponent.


Key documents

Key documents
Document Number Document Title File Date
1335 News Release: Environmental Assessment Decision Statement - November 30, 2022
1334 Minister's Environmental Assessment Decision Statement PDF (808 KB) November 30, 2022
1306 Public Notice: Public Comments Invited on Potential Conditions - September 22, 2022
1305 Potential Federal Environmental Assessment Conditions PDF (912 KB) September 22, 2022
1302 Executive summary of the Report of the Joint Review Panel for the Marathon Palladium Project PDF (187 KB) August 2, 2022
1301 Report of the Joint Review Panel for the Marathon Palladium project PDF (22.7 MB) August 2, 2022
1300 News Release - Marathon Palladium Project - Minister Receives Joint Review Panel's Report - August 2, 2022
1143 Public Hearing - List of Undertakings (last updated May 12, 2022) PDF (700 KB) March 17, 2022
730 Amended Joint Review Panel Agreement and Terms of Reference PDF (2.5 MB) February 3, 2021
728 Compilation of Key Documents for the Marathon Palladium Project (Note: Updated January 21, 2022) PDF (690 KB) January 8, 2021
727 EIS Addendum (Note: Updated February 10, 2022) - January 8, 2021
224 Environmental Impact Statement Main Report (From Stillwater Canada Inc to Joint Review Panel) - June 29, 2012
150 Guidelines for the Preparation of an Environmental Impact Statement PDF (447 KB) August 10, 2011


Compliance Promotion & Follow-up Team
Impact Assessment Agency of Canada
160 Elgin Street, 22nd Floor
Ottawa, Ontario K1A 0H3

Impact Assessment Agency of Canada
160 Elgin Street
22nd Floor
Ottawa, Ontario K1A 0H3
Telephone: 613-957-0700 or 1-866-582-1884
Fax: 613-957-0862

  • Location

    • Marathon (Ontario)
  • Nature of Activity

    • Mines and Minerals
  • Assessment Status

  • Start Date

  • Proponent

    Generation PGM Inc.
  • Authorities

    • Impact Assessment Agency of Canada
  • Assessment Type

    Environmental assessment by Review Panel under CEAA 2012
  • Reference Number


Nearby assessments

...within 200 kilometres
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