06/09/2021 · The MRN Mine is a surface mine situated in Para, Brazil. Owned by Vale, the greenfield mine produced an estimated mtpa of bauxite in 2020. The mine will operate until 2026. 7. Willowdale Mine. Loed in Western Australia, Australia, the Willowdale Mine is owned by Alcoa. The surface mine produced an estimated mtpa of bauxite in ...