eugeosyncline

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伙地区位于华北地台北安晚华力西期地槽褶皱带，中生代火山岩系发育，燕山期中性岩浆活动强烈，形成了一系列火山、潜火山热液型银多金。