2025-05-09 22:14 浏览次数 1
太古代
the wall rocks of gold deposits located in zhaoyuan gold mineralization area were rooted in metamorphic rocks in jiaodong rock group in archaean era and granites in mesozoic era.
山东招远金矿集中区金矿床的围巖为新太古代胶东巖群变质巖和中生代花岗巖。