bauxite crushers used in cuba mines. bauxite mines in bulsar nigeirabauxite mines in bulsar nigeira Major Guinea bauxite mine to start producing in 2019 mines ministry Oct 26, 2017 One of Guinea's largest bauxitemines will begin producing 5 million tonnes per year in 2019,the mines ministry said on Thursday, boosting the West Africancountry's efforts to treble output by 2020. .