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Tio Mine Expansion Project

Rio Tinto Fer et Titane is proposing to expand the Lac Tio Ilmenite mine site, located approximately 40 kilometres north of Havre-Saint-Pierre, which it has mined for 60 years. The project involves no increase in the annual production of 3.1 million tonnes, but the new waste-rock management plan includes the creation of a new waste-rock pile for the storage of 119 million cubic meters of waste-rock that will be generated by the end of the life of the mine and the relocation of the Petit-pas waste-rock pile. The waste-rock pile and associated infrastructure will occupy an area of 1.9 square kilometers, which represents an expansion of more than 75% of the existing area of operations. The project also includes the centralization of water treatment and the construction of a new water treatment plant with a capacity of 745 cubic metres per hour.


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 project.

Latest update

March 14, 2018 - The Canadian Environmental Assessment Agency terminated the environmental assessment process of the designated project at the request of the proponent.

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  • Impact Assessment Agency of Canada
  • 22nd Floor, Place Bell
  • Ottawa, ON, K1A 0H3
  • Telephone: 613-957-0700 or 1-866-582-1884
  • Fax: 613-957-0862
  • Email:

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