【摘 要】
：
Based on an extensive borehole survey of the Middle Jurassic coal-bearing sequences in the Saishiteng coalfield,northern Qaidam Basin(NQB),a total of 20 rock types and 5 sedimentary facies were identi
【出 处】
：
Journal of Palaeogeography
论文部分内容阅读
Based on an extensive borehole survey of the Middle Jurassic coal-bearing sequences in the Saishiteng coalfield,northern Qaidam Basin(NQB),a total of 20 rock types and 5 sedimentary facies were identified,including braided river,meandering river,braide
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