| 兰坪-思茅盆地东南缘三叠系歪古村组层序地层分析 |
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| 引用本文： | 罗威,石和,王道永,常晓琳.兰坪-思茅盆地东南缘三叠系歪古村组层序地层分析[J].华南地质与矿产,2010(1):55-59. |
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| 作者姓名： | 罗威 石和 王道永 常晓琳 |
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| 作者单位： | 1. 成都理工大学沉积地质研究院,成都,610059
2. 成都理工大学地球科学学院,成都,610059 |
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| 摘 要： | 目前针对兰坪-思茅盆地层序地层的研究还相对薄弱,在野外实测剖面的基础上,运用构造-层序地层学理论,在兰坪-思茅盆地东南缘的歪古村组中识别出了一个Ⅰ型层序界面及两个II型层序界面,将该组划分为两个三级层序及一个上升半旋回,并建立了层序的演化模式,显示南西向的河流对本区歪古村组的沉积具有重要的影响。
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| 关 键 词： | 层序地层 歪古村组 三叠系 兰坪-思茅盆地 |
Sequence Stratigraphy Analysis of Waigucun Formation in Southeast Lanping - Simao Basin |
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| LUO Wei,SHI He,WANG Dao-yong,CHANG Xiao-lin.Sequence Stratigraphy Analysis of Waigucun Formation in Southeast Lanping - Simao Basin[J].Geology and Mineral Resources of South China,2010(1):55-59. |
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| Authors: | LUO Wei SHI He WANG Dao-yong CHANG Xiao-lin |
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| Institution: | 1.Institute of Sedimentary Geology,Chengdu University of Technology,Chendu 610059,China;2.College of Earth Sciences, Chengdu University of Technology,Chengdu 610059,China.) |
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| Abstract: | The theory of tectonic-sequence stratigraphy is applied for sequence subdivision of Triassic Waigucun Formation in southeast Lanping-Simao basin,and three sequence boundaries（one Ⅰ type and two II type） are identified,according which the Waigucun Formation can be divided into two third class sequence and a half ascending cycle.The evolutionary pattern which shows southwest-direction river has great influence on the deposition of Waigucun Formation is established in our research. |
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| Keywords: | Lanping-Simao basin sequence strata Waigucun Formation Triassic |
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