Before Later Proterozoicera, in this area more than two times of thermodynamic metamorphism took place.
在晚元古代以前该地区至少发生过两次热动力变质作用。
2
Due to inherited effect of the positive shear stress of proterozoicera, the main shear zone which ran parallel to rift greenstone belt and its gold deposits came into being.
元古宙正剪切应力继承作用,产生了与裂谷型绿岩带平行的主剪切带及其金矿。
3
The studies of microelement, rare earth element and isotope compositions that the Huogeqi polymetallic ore field was formed in rift basin of back arc continental marging during ProterozoicEra.