The Haigou gold deposit features multi-source, multi-period and multi-sta ge in m ineralization, which is mainly related to early Yanshannian granodiorite and por phyrite diorite.

• 海沟金矿床具有多源、多期、多阶段成矿的特点，成矿主要与燕山早期花岗闪长岩及闪长玢岩有关。