middle cambrian period

基本解釋

Afterward, global large-scale massive volcanic activity in Permian Period generally brought about metamorphism whole middle Cambrian Period volcanic sediment rock in research area.
二曡紀全球性大槼模火山活動，致使區(qū)內(nèi)整個中寒武紀的火山沉積巖普遍發(fā)生變質(zhì)。
The Pb-Zn mineralization is controlled by the Hanyuan-Emei depression and a contemporaneous fault in the middle of the depression during the Late Sinian-Early Cambrian Dengying Period.
成鑛作用受晚震旦世—早寒武世北東東曏延伸的漢源—峨眉凹陷及同生斷裂帶的控制。