The Proterozoic Era.
原生代，元古代。
ChronologyThe data of chronology explanates that both of them are belong to Proterozoic Era.
时代方面得数据表明，两者同属于古元古代。
The hydrothermal sedimentary rocks and their relationship with mineralization in Proterozoic era in West Tianshan
西天山元古界的热液沉积岩及其与成矿的关系
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