Guyana
Guyana's single alumina plant, loed in Linden, used to separate 300,000 tons per year of aluminum oxide from raw bauxite ore until the facility closed in 1982. From then on, Guyana was forced to export only unprocessed bauxite ore, foregoing the added revenues to be gained from refining the mineral. In the 1970s, Guyana had the advantage of being the world's leading supplier of socalled ...