年轻的钕同位素模式年龄表明该区存在新元古—显生宙的地壳增生。
The young Nd model ages suggest a significant crustal growth in the period of Neoproterozoic-Phanerozoic.
显生宙的海绿石,多年来研究的结果表明海绿石发育在慢速弱还原环境。
The Phanerozoic glauconites in this study show that they were formed in an environment of weak reduction and low sedimentation.
地球的历史可分为四个时期——依次经历冥古代、太古代、元古代和显生宙。
The history of Earth is divided into four eons - starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.
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