Many diorite porphyrite and albite aplite dikes are found in the gold district and its surrounding areas.

晚期在浅部为风化淋成矿。

There is one kind of picrite in Manxin of Menglian of Southwestern Yunnan that was considered as vein of picrite porphyrite by predecessors.

产于西南孟连苦橄岩，前人定为苦橄玢岩岩脉。