middle cambrian period

常見(jiàn)例句

Afterward, global large-scale massive volcanic activity in Permian Period generally brought about metamorphism whole middle Cambrian Period volcanic sediment rock in research area.
二疊紀(jì)全球性大規(guī)?；鹕交顒?dòng)，致使區(qū)內(nèi)整個(gè)中寒武紀(jì)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.
成礦作用受晚震旦世—早寒武世北東東向延伸的漢源—峨眉凹陷及同生斷裂帶的控制。