| 江汉盆地新构造运动对第四纪沉积环境演化的制约 |
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| 引用本文： | 杨青雄,田望学,李启文,孔令耀.江汉盆地新构造运动对第四纪沉积环境演化的制约[J].地质力学学报,2016,22(3):631-641. |
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| 作者姓名： | 杨青雄 田望学 李启文 孔令耀 |
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| 作者单位： | 湖北省地质调查院, 武汉 430034;湖北省地质调查院, 武汉 430034;湖北省地质调查院, 武汉 430034;湖北省地质调查院, 武汉 430034 |
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| 基金项目： | 中国地质调查局地质调查项目（12120113012800） |
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| 摘 要： | 以江汉盆地周缘区露头剖面及沉积中心区第四纪钻孔岩芯资料为研究载体,通过第四纪地层横向对比分析,恢复了江汉盆地第四纪各时期的沉积环境,讨论了江汉盆地新构造运动的特点及对江汉平原第四纪沉积环境演化的控制作用。研究表明,早中更新世江汉盆地大部处于掀升状态,盆地周缘地带遭受剥蚀;晚更新世地壳显现不等量运动,盆地自北西向中南部表现为徐缓掀升与下沉并存;全新世,盆地周缘及波状地形区掀升和低平原区强烈沉降进一步突显,全新世中晚期湖泊范围达到最大。
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| 关 键 词： | 江汉盆地 新构造运动 第四纪 沉积环境 |
| 收稿时间： | 2016/4/22 0:00:00 |
THE NEOTECTONIC RESTRICTS TO QUATERNARY DEPOSITION ENVIRONMENT EVOLUTION OF JIANGHAN BASIN |
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| YANG Qing-xiong,TIAN Wang-xue,LI Qi-wen and KONG Ling-yao.THE NEOTECTONIC RESTRICTS TO QUATERNARY DEPOSITION ENVIRONMENT EVOLUTION OF JIANGHAN BASIN[J].Journal of Geomechanics,2016,22(3):631-641. |
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| Authors: | YANG Qing-xiong TIAN Wang-xue LI Qi-wen and KONG Ling-yao |
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| Institution: | Geological Survey of Hubei Province, Wuhan 430034, China;Geological Survey of Hubei Province, Wuhan 430034, China;Geological Survey of Hubei Province, Wuhan 430034, China;Geological Survey of Hubei Province, Wuhan 430034, China |
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| Abstract: | Through the transverse contrast of Quaternary strata, combining with the data of outcrop profiles in periphery area of Jianghan Basin and Quaternary drilling cores in sedimentary central area, we restored the sedimentary environment of Jianghan Basin in different period of Quaternary, and discussed the neotectonic characteristics and its control functions to Quaternary sedimentary environment evolution. The result shows that most part of Jianghan Basin is in a lift condition in early and Middle Pleistocene, the periphery of the basin is in a state of erosion. The amount of crust exercise is unequal in late Pleistocene, from north west to south central the basin is slowly rising and sinking. In Holocene, rising in periphery of basin and undulating terrain and sinking in low plain area are more significant, and the area of the lake reached the maximum in middle and late Holocene. |
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| Keywords: | Jianghan Basin neotectonics Quaternary sedimentary environment |
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