surigao del sur is endowed with metallic minerals such as copper, gold, chromite, cobalt, nickel and lead zinc, as well as non-metallic (limestone, coal and feldspar, clay diatomite/bentomite and coarse/fine aggregates). there are small and large scale mining activities in the province. corporations operating in a large scale are the marc ventures mining development corporation at carrascal and cantilan, operating in an area of within the diwata mountain range. the ctp construction and mining corporation, also in carrascal, focuses on gold and nickel mining in an area of and , respectively. the carac-an development corporation, also in carrascal, has an area of . small scale mining activities are found in the municipalities of barobo, carmen and san miguel.