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Progress,Problems and Prospects on the Stratigraphy and Correlation of the Kungurian Stage,Early Per
The Kungurian Stage is one of the three remaining stages of the Permian that is not yet defined at the base by a Global ......
国际二叠纪地层分会已就二叠系的统和阶的划分，命名及下界的层位达成统一意见，提出新的二叠系年代地层表，该表由３个最佳的区域性地层序......
