| 鄂尔多斯盆地合水地区延长组-延安组地层分布特征 |
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| 引用本文： | 陈永峤,李伟华,汪凌霞,文志刚.鄂尔多斯盆地合水地区延长组-延安组地层分布特征[J].地层学杂志,2011(1):41-48. |
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| 作者姓名： | 陈永峤 李伟华 汪凌霞 文志刚 |
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| 作者单位： | 长江大学地球化学系油气资源与勘探技术教育部重点实验室; |
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| 基金项目： | “西峰两侧地区长3以上石油富集区筛选”项目支持 |
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| 摘 要： | 利用岩芯、测井等资料,研究了鄂尔多斯盆地合水地区延安组的煤层或炭质泥岩、侏罗系与三叠系之间的不整合面以及延长组的凝灰岩、凝灰质泥岩或泥岩等不同类型的标志层特征,并利用这些标志层对地层进行了油组划分和对比,重点分析了延长组2段-延安组10段各油组地层的分布特征:三叠纪延长组上部地层受到了不同程度的剥蚀,西南部的地层缺失较...
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| 关 键 词： | 标志层 地层划分和对比 延长组 富县组 延安组 侏罗系 三叠系 鄂尔多斯盆地 |
THE DISTRIBUTION FEATURES OF THE YANCHANG AND YAN'AN FORMATIONS IN HESHUI AREA,ORDOS BASIN |
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| CHEN Yong-qiao,LI Wei-hua,WANG Ling-xia , WEN Zhi-gang.THE DISTRIBUTION FEATURES OF THE YANCHANG AND YAN'AN FORMATIONS IN HESHUI AREA,ORDOS BASIN[J].Journal of Stratigraphy,2011(1):41-48. |
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| Authors: | CHEN Yong-qiao LI Wei-hua WANG Ling-xia WEN Zhi-gang |
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| Institution: | CHEN Yong-qiao,LI Wei-hua,WANG Ling-xia and WEN Zhi-gang1) Department of Geochemistry,Yangtze University,Jingzhou 434023,2) Ministry of Education Key Laboratory of Exploration Technology for Oil and GasResources |
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| Abstract: | Based on well cores and logging data,the features of marker beds,such as coal beds or bass of Yan'an Formation,unconformity surface between Jurassic and Triassic,tuff or tuffaceous mudstone or mudstone of Yanchang Formation in Heshui of the Ordos Basin are studied in the paper.Then,the oil bed strata of the study area is divided and correlated using those marker beds,and distribution features of strata from the 2nd menber of Yanchang Formation to the 10th menber of Yanan Formation are analysed mainly.It is ... |
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| Keywords: | marker bed stratigraphic division and correlation Yanchang Formation Fuxian Formation Yan'an Formation Triassic Jarassic Ordos Basin |
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