Facility
Niobec Underground Mine & Ferroniobium Plant (Saint-Honoré)
Operated by Magris Performance Materials (Niobec) →CA · Quebec
Only primary niobium mine outside Brazil. Underground mine in the Saint-Honoré carbonatite complex, Saguenay-Lac-Saint-Jean region. In production since 1976. Production capacity ~7,500 tpy Nb (~6-10% global share). Proposed expansion to 10 Mtpy ore was terminated in 2016 after Canadian environmental assessment process closed. Includes on-site ferroniobium smelter. Unionized workforce (Unifor Local 666); 2025 strike ran May 1 – late June (60 days).
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