| 西藏措勤曲洛地区新发现侏罗纪地层 |
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| 引用本文： | 赵 兵,刘登忠,陶晓风,马润则,胡新伟,王 辉.西藏措勤曲洛地区新发现侏罗纪地层[J].地质通报,2010,29(10):1633-1639. |
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| 作者姓名： | 赵 兵 刘登忠 陶晓风 马润则 胡新伟 王 辉 |
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| 作者单位： | 1. 成都理工大学沉积地质研究院，四川 成都 610059；2. 成都理工大学地球科学学院，四川 成都 610059 |
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| 摘 要： | 在西藏措勤县曲洛乡门缸错地区发现了侏罗纪地层，详细描述了实测的侏罗系剖面，将该套地层暂时命名为曲洛组。讨论了该组的岩石组合特征和沉积环境，认为主要为一套海陆过渡三角洲—滨岸泻湖相沉积。根据曲洛组中的双壳化石、古植物及孢粉组合特征将这套地层的时代确定为早侏罗世。措勤地区下侏罗统的发现为区域地质构造演化研究和矿产资源勘查提供了新资料。
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| 关 键 词： | 西藏措勤地区 侏罗系 曲洛组 沉积环境 |
New discovery of Jurassic strata at Quluo Township, Cuoqin County,Tibet,China |
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| ZHAO Bing,LIU Deng-zhong,TAO Xiao-feng,MA Run-ze,HU Xin-wei,Wang Hui.New discovery of Jurassic strata at Quluo Township, Cuoqin County,Tibet,China[J].Geologcal Bulletin OF China,2010,29(10):1633-1639. |
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| Authors: | ZHAO Bing LIU Deng-zhong TAO Xiao-feng MA Run-ze HU Xin-wei Wang Hui |
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| Institution: | 1. Sedimentary Institute of Chengdu University of Technology, Chengdu 610059, Sichuan, China;2. College of Earth Science,Chengdu University of Technology, Chengdu 610059, Sichuan, China |
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| Abstract: | Jurassic stratigraphy is newly discovered near Mengang Cuo at Quluo Township,Cuoqin County,Tibet.The measured Jurassic section is described in details in this paper.It is temporary named as Quluo Formation.Lithological association and sedmentary environment of Quluo Formation have been discussed .The sedimentary environment are mainly composed of trasitional delta facies to coastal region lagoon.The time age of Quluo Formation is believed to be Early Jurassic according to bivalve fossils,plant fossils and sore-pollen association. The discover of Lower Jurassic in Cuoqin area will provide new data on area tectonic evolution and exploration of mineral resources. |
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| Keywords: | Cuoqin area Tibet Jurassic System Quluo Formation sedimentary environment |
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