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Lac à Paul Apatite Mine Project

Summary document picto-pdf (712 Ko)

General information

Arianne Phosphate inc. picto-fleche

Project Name
Lac à Paul

Administrative Region



Interactive map
(in French only) picto-fleche

Steps in the mining project (In French only)

  • Impact assessment and review
  • Construction and operation
  • Closure and restoration
Project Description

The Arianne Phosphate Inc. Lac à Paul apatite mining project involves the construction and operation of an open-pit mine and processing plant to produce phosphate concentrate.

The promoter plans to transport the phosphate concentrate by truck, using a network of forest roads (roughly 234 km., on which it will carry out repair work), to a new maritime terminal that will be built at Sainte-Rose-du-Nord, on the north bank of the Saguenay River.

The Saguenay Port Authority is responsible for obtaining the necessary authorizations from the federal government, and for building and operating the new maritime terminal.

The promoter plans to begin mining operations in 2019. The mine will remain in operation for approximately 26 years.

The Lac à Paul project was subject to the environmental impact assessment and review process (section 31.5 of the Environment Quality Act), supervised by the Ministère du Développement durable, de l’Environnement et de la Lutte contre les changements climatiques (MDDELCC).

The promoter produced an environmental impact assessment and took part in public consultations on its project, led by the Bureau d’audiences publiques sur l’environnement (BAPE). Subsequently, on December 16, 2015, the Québec Government tabled an order-in-council concerning the granting of a certificate of authorization. The order-in-council covered the new mining site and access roads (repairs to forest roads). The MDDELCC produced a fact sheet summarizing the issues identified and the undertakings made by the promoter. As for the maritime terminal, the environmental impact assessment is being carried out by the Canadian Government with the collaboration of the Québec Government. The project is currently under consideration and public consultations are being held.


Mine operations

Type of operation Open-pit mine
Estimated yearly production Production of 3 million tons per year (MT/year) of phosphate concentrate
Start and duration of mining operations 26 years: the promoter plans to start operations in 2019

Host territory

Public or private land Public land
Rights issued by government departments and agencies Outfitter with exclusive hunting and fishing rights
Forestry rights
Mine exploration rights (claims)

Public participation

Information and consultation activities organized by the promoter for the local community The promoter has held several public consultations since 2011.
Meetings with local elected representatives, stakeholders and members of the general public to present the project.
Liaison and monitoring committee set up by the promoter Territorial and company consultation table
Monitoring committee

Aboriginal communities

Québec Government consultation of Aboriginal communities Consultations on the project as a whole were carried out in 2015 by the MDDELCC, with the Innu communities of Mashteuiash, Essipit and Pessamit.
Agreement(s) signed by the promoter and one or more Aboriginal communities A cooperation agreement covering the exploration and pre-construction period was signed on June 12, 2015, by Arianne Phosphate Inc. and the Innu communities of Mashteuiatsh, Essipit and Pessamit.

Economic information

Investment value US $1.2 billion (approximately CAN $1.6 billion)
Estimated number of employees during construction 475
Estimated number of employees during operation 375
Government financial assistance $2 million invested in the company’s capital stock by Ressources Québec, out of the Capital Mines Hydrocarbures Fund, announced on September 15, 2014.