The structure breaking up and rock alteration stage after dike rock formation is the main metallogenic epoch. The genesis type of the gold deposit is structure alteration rock type.

The Fanshan complex is made up of three phases of intrusive and dike rocks of which the first phase of intrusive rock developed the deposit, perhaps owing to more REE volume than the other phases.

The protective earth dike shall be earth-filled. no rock brick and concrete block or light and flammable material shall be allowed for filling.