The ore types of the Jinduicheng molybdenum ore body mainly include three types: granite porphyry, basaltic andesite, and a small amount of quar5 ite, of which the former two types are dominant [8,9]. Ore minerals include molybdenit e, chalcopyrite, pyrite, pyr-rhotite, magnetite, sphalerite, and a small amount of galena. Gangue minerals include