Sulawesi has a highly complex geology, which is reflected in a wide variety of mineralization styles, including porphyry Cu-Au, porphyry Mo, epithermal and metamorphic- and sediment-hosted Au, lateritic Ni and Fe, placer Cr, skarn and VMS. The documented mineral exploration and mining history in Sulawesi spans a period of 125 years. Gold mining started in 1896 and nickel have been produced. By …