| 鄂尔多斯地区奥陶系马家沟群层序地层学研究 |
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| 引用本文： | 王玉新,冯增昭,韩征.鄂尔多斯地区奥陶系马家沟群层序地层学研究[J].中国石油大学学报(自然科学版),1995(Z1). |
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| 作者姓名： | 王玉新 冯增昭 韩征 |
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| 作者单位： | 石油大学地球科学系 |
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| 摘 要： | 运用层序地层学分析原理，将马家沟群划分为三个沉积层序，马家沟群顶、底均被Ⅰ类层序界面所限定，其内部的三个沉积层序之间被Ⅱ类层序界面分开。讨论了各沉积层序的体系域特征。并提出克拉通台地的层序地层模式。
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| 关 键 词： | 层序地层学 奥陶纪 鄂尔多斯地区 |
SEQUENCE STRATIGRAPHY OF MAJIAGOU GROUP IN ORDOVICIAN AT ORDOS AREA |
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| Wang Yuxin,Feng Zengzhao,Han Zheng.SEQUENCE STRATIGRAPHY OF MAJIAGOU GROUP IN ORDOVICIAN AT ORDOS AREA[J].Journal of China University of Petroleum,1995(Z1). |
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| Authors: | Wang Yuxin Feng Zengzhao Han Zheng |
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| Abstract: | Majiagou group(Ordovician)of ordos area,which consists of carbonates andevaporites.are considered in terms of their sequence stratigraphy.Three depositionalsequences are recognized.Evaporites and penecontemporaneous dolostones are depositedduring transgressive system tract of the first sequence and lowstand system tracts of the lasttwo sequences,and also deposited in the arch of Ordos plateform during highstand systemtract.Limestones are deposited during highstand system tract of the first sequence andtransgressive highstand system tracts of the last two sequences,and also deposited in themargin of Ordos plateform during lowstand system tract. |
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| Keywords: | Sequence stratigraphy Ordovician period Ordos area |
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