古元古代 meaning in English
paleoproterozoic
Examples
- Several problems about the paleoproterozoic geology of eastern liaodong
对辽东古元古代地质若干问题的讨论 - Late paleoproterozoic geodynamic setting in wutai mountains : constraints from geochemistry of wangjiahui granitoids
五台山古元古代晚期的动力学背景：王家会花岗岩地球化学的制约 - The pot shaped peak is formed along the joints and fissures with the weathering and eroding of adamellite formed 2 . 4billion years ago
24亿年左右形成的古元古代二长花岗岩，沿节理裂隙风化剥蚀后形成的壶状山峰。 - Paleoproterozoic ; wangjiahui granitoids ; partial melting ; recycling of islands arc and continent crustal materials ; tectonic transition ; wutai mountains
古元古代王家会花岗岩部分熔融岛弧和陆壳物质再循环构造转换五台山 - The minerogenetic epoch lasted from paleoarchean to sinian , with neoarchean , paleoproterozoic and mesoproterozoic - qingbaikouan being the culmination periods
成矿时代从古太古代到震旦纪，但以新太古代、古元古代、中元古代青白口纪3个地质时期为成矿高峰期。