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Rose Lithium - Tantalum Mining Project

Critical Elements Corporation is proposing the construction, operation and decommissioning of an open pit lithium and tantalum mine located approximately 38 kilometres north of Nemaska, in Quebec. As proposed, the project includes the operation of an open pit, waste and tailings impoundment area, an industrial ore processing facility and the option of transforming concentrate off-site. The mine would produce about 4,500 tonnes of ore per day over a 17-year life span.

Latest update

June 28, 2019 - The Canadian Environmental Assessment Agency requested additional information from the proponent related to the Environmental Impact Statement on June 27, 2019.


Key documents

Key documents
Document Number Document Title File Date
17 Summary of the Environmental Impact Statement PDF (4.7 MB) February 18, 2019
18 Étude d'impact environnemental (French Only) - March 19, 2018
11 Final Environmental Impact Statement Guidelines PDF (1.2 MB) December 27, 2012
5 Notice of Environmental Assessment Determination - October 22, 2012
4 Summary of the Project Description of a Designated Project (Revised on September 11, 2012) PDF (2.6 MB) September 6, 2012

List all documents


  • Rose Lithium - Tantalum Mining Project
  • Impact Assessment Agency of Canada
  • 901-1550, d'Estimauville Avenue
  • Québec, QC, G1J 0C1
  • Telephone: 418-648-7833
  • Fax: 418-649-6443
  • Email:

  • Location

    • Municipality of Baie-James (Quebec)
  • Project Type

    • Mines and Minerals
  • Status

    In progress
  • Start Date

  • Proponent

    Criticals Elements Corporation (CEC)
  • Authorities

    • Impact Assessment Agency of Canada
  • Assessment Type

    Environmental assessment under CEAA 2012
  • Reference Number

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