Gold mineralization of these two deposits occurs within the Archean metamophic rocks of Sanggan Group and Hercynian alkaline complex , respectively. 小营盘金矿产于太古宇桑干群变质岩中,东坪金矿产于海西期碱性杂岩体中。
The Dongping super large gold deposit has close relation with the Shuiquangou alkalic complex. 金矿床的形成与碱性杂岩体密切相关。