| Structural Characteristics and Evolution of Jurassic Basins in the East of Middle Qilian Block |
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| 作者姓名： | 郑孟林 李明杰 曹春潮 张勇军 徐世陆 |
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| 作者单位： | [1]BasinandReservoirResearchCenter,PetroleumUniversity,Bejing102249,China [2]GeologicalResearchCenter,GeophysicalProspectingBureau,Zhuozhou,Hebei072751,China [3]GeophysicalandGeologicalDivision,HebeiBureauofGeology,Xingtai,Hebei054000,China |
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| 摘 要： | Structural characteristics of the Jurassic basins of Xining, Minhe, and Xiji in the east of middle Qilian were researched based on the data obtained by gravitational, magnetic, and seismic methods. The result shows that each of these three basins is an independent structural unit with a NW strike and being separated by upheavals.Two groups of faults with NW and NE directions are developed in the basin, which controls the formation and evolution of the (Jurassic basins). The NW faults are the main ones while the NE faults are the secondary for controlling the sedimentation. Of the three basins, the Minhe basin is the favorable prospecting area.
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| 关 键 词： | 侏罗纪盆地 结构演变 油气勘探 区域地质 断层结构 沉积 白垩纪-新生代盆地 |
Structural Characteristics and Evolution of Jurassic Basins in the East of Middle Qilian Block |
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| ZHENG Meng-lin.LI Ming-jie,CAO Chun-chao ZHENG Jun-yong XU Shi-lu.Structural Characteristics and Evolution of Jurassic Basins in the East of Middle Qilian Block[J].Journal of China University of Mining and Technology,2003,13(1):35-39. |
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| Authors: | ZHENG Meng-linLI Ming-jie CAO Chun-chao ZHENG Jun-yong XU Shi-lu |
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| Abstract: | Structural characteristics of the Jurassic basins of Xining, Minhe, and Xiji in the east of middle Qilian were researched based on the data obtained by gravitational, magnetic, and seismic methods. The result shows that each of these three basins is an independent structural unit with a NW strike and being separated by upheavals. Two groups of faults with NW and NE directions are developed in the basin, which controls the formation and evolution of the (Jurassic basins). The NW faults are the main ones while the NE faults are the secondary for controlling the sedimentation. Of the three basins, the Minhe basin is the favorable prospecting area. |
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| Keywords: | east of middle Qilian Jurassic basin structural characteristic evolution prospecting of oil and gas |
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