Keywords Porphyry copper deposit;Tongchang;Magmatic fluid;Immiscible fluid;Nonmagmatic fluid;Mixed fluid Hydrothermal alteration;Radioisotope indicator;Fractal;

• 斑岩铜矿;德兴铜厂;岩浆流体;不混溶流体;非岩浆流体;混合成矿流体;热液蚀变;同位素示踪;分形结构;