太古代...

Shagou deposit mainly lies in the metamorphic rock of Taihua Group, Archaeozoic erathem.本矿床主要的赋矿地层为新太古界太华群高级变质岩.Buried hills of Archaeozoic, Paleozoic and Mesozoic Eras developed well in the west part of Dongying Depress...

archaeozoic的音标：archaeozoic的英式发音音标为：['ɑ:kɪəəʊzəʊɪk]archaeozoic的美式发音音标为：['ɑkɪroʊzoʊɪk]...