Micro-disseminated Au deposits are generally associated with weak wall rock alterations.Silicification, carbonation, argilation and sericitization are the main alteration types.

• 微细浸染型金矿的围岩蚀变一般较弱,主要蚀变类型以硅化、碳酸盐化、粘土化、绢云母化为主;