Being the residual island are of the convergent plate subducted to the south, the central Baiyin Minerogenetic Belt is located at the southeast edge of the north Qilian Caledonian eugeosyncline.

摘要内蒙油房一二把位于华北台北缘南兴安晚华力西期槽皱带，中生代火山岩系发育，燕山期中酸性岩强烈，形成了一系列火山、潜火山热液型银多金属矿床。