浙江煤山D剖面二叠系长兴组高精度岩石地层HIGH-RESOLUTION LITHOSTRATIGRAPHY OF THE CHANGHSINGIAN STAGE IN MEISHAN SECTION D,ZHEJIANG
曹长群,郑全锋
摘要(Abstract)：
基于对浙江煤山D剖面长兴组到下三叠统殷坑组岩石地层单元高精度的测量,选择了Yinetal.(1996)、盛金章等(1987)和赵金科等(1981)的地层资料,对比并修订了早期地层资料中的误差。重点标注了该剖面特殊岩性段,如黏土岩、碳酸盐化流纹质凝灰岩的产出层位,详尽描述了二叠系-三叠系界线附近的微观岩石地层特征,认为Y24e层顶部至Y27层为存在高度凝缩沉积或者沉积缺失的层段。这些高精度岩石地层材料将进一步推动二叠纪-三叠纪过渡期生物灭绝事件的后层型研究。
关键词(KeyWords)： 煤山D剖面;长兴组;二叠系;岩石地层
基金项目(Foundation): 国家自然科学基金委员会创新群体项目(40321202);; 中国科学院国际合作重点项目(GJHZ0521)资助
作者(Author): 曹长群,郑全锋
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