proterozoic era

常见例句

The geotectonic setting formed in late Proterozoic Era in Baiyin area established. The gold deposits geotectonic background.
白银地区晚元古代以来形成的大地构造环境奠定了金矿床产出的大地构造背景。
According to the macroscopic geological observations and microscopic studies, laws of activity and evolution of the fault belt from Proterozoic era to Cenozoic era are as follows.
根据宏观地质观察和微观研究，该断裂带从元古代至新生代的活动和演化特点为从深层次向浅层次演化；
The data offered here favor that the collision between the Yangtze and Cathysia blocks happened in the late Proterozoic era.
现有资料支持华夏和扬子两地块在晚元古代碰撞拼合的解释。