Lithium-cesium-tantalum pegmatites planned for combined open-pit and underground mining and concentration as part of the integrated Nemaska Lithium project. Rio Tinto owns 53.9% of Nemaska and directly manages the project. Bécancour plant construction exceeded 70% in March 2026 but was slowed for optimization, with first integrated hydroxide production still planned for 2028.
- Country
- Canada
- Commodity
- Li
- Stage
- Construction