AngloGold Ashanti is a global gold mining company. Co.'s main product is gold. Once mined, the gold ore is processed into dore (unrefined gold bars) on site and then dispatched to precious metals refineries for refining. This refined gold is then sold directly to bullion banks. By-products of Co.'s gold mining operations, often a function of local geological characteristics, include silver in Argentina and sulfuric acid in Brazil. Co.'s operations and projects are grouped regionally as follows: Africa region (Democratic Republic of the Congo, Ghana, Guinea, and Tanzania); Americas (Argentina and Brazil, and projects in Colombia); and Australia (Australia).