| 西藏羌塘盆地光明湖地区早白垩世化石的发现及意义 |
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| 引用本文： | 曾禹人,马德胜,吴滔,符宏斌,郭海,莫春虎,樊洪富.西藏羌塘盆地光明湖地区早白垩世化石的发现及意义[J].贵州地质,2014,31(4):302-306. |
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| 作者姓名： | 曾禹人 马德胜 吴滔 符宏斌 郭海 莫春虎 樊洪富 |
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| 作者单位： | 贵州省地质调查院,贵州 贵阳 550005;贵州省地质调查院,贵州 贵阳 550005;贵州省地质调查院,贵州 贵阳 550005;贵州省地质调查院,贵州 贵阳 550005;贵州省地质调查院,贵州 贵阳 550005;贵州省地质调查院,贵州 贵阳 550005;贵州省地质调查院,贵州 贵阳 550005 |
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| 基金项目： | 青藏地区油气调查评价下属《羌塘盆地重点区块地质-地球物理调查与井位论证》所属《羌塘盆地光明湖区块1∶5万石油地质调查》专题资助。 |
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| 摘 要： | 西藏羌塘盆地以发育中生代海相地层为特征,成为近年来油气勘探的重要区块。对于整个盆地的中生代海相沉积是否跨入早白垩世过去仍存在一些争议。本次在光明湖一带的白龙冰河组上部采集到大量早白垩世化石,证实了该组沉积晚期已跨入早白垩世,为区域上与该组同时异相的其它中生代地层沉积时代的进一步厘定提供了新的化石依据。对整个羌塘盆地晚侏罗世—早白垩世沉积古地理的研究,以及羌塘盆地早白垩世海相地层的圈定和油气地质条件的探讨具有重要意义。
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| 关 键 词： | 化石 早白垩世 光明湖 羌塘盆地 西藏 |
Early Cretaceous fossil found in Guangming Lake area of Tibet Qiangtang Basin |
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| ZENG Yu-ren,MA De-sheng,WU Tao,FU Hong-bin,GUO Hai,MO Chun-hu and FAN Hong-fu.Early Cretaceous fossil found in Guangming Lake area of Tibet Qiangtang Basin[J].Guizhou Geology,2014,31(4):302-306. |
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| Authors: | ZENG Yu-ren MA De-sheng WU Tao FU Hong-bin GUO Hai MO Chun-hu and FAN Hong-fu |
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| Institution: | Guizhou Academy of Geologic Survey,Guiyang 550005,Guizhou,China;Guizhou Academy of Geologic Survey,Guiyang 550005,Guizhou,China;Guizhou Academy of Geologic Survey,Guiyang 550005,Guizhou,China;Guizhou Academy of Geologic Survey,Guiyang 550005,Guizhou,China;Guizhou Academy of Geologic Survey,Guiyang 550005,Guizhou,China;Guizhou Academy of Geologic Survey,Guiyang 550005,Guizhou,China;Guizhou Academy of Geologic Survey,Guiyang 550005,Guizhou,China |
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| Abstract: | Mesozoic marine strata in Qiangtang Basin are an important goal of oil and gas exploration in recent year. But here's the Mesozoic strata may have crossed into the Early Cretaceous, almost no one reported that. Recent, the author collected a large number of early Cretaceous fossils at the upper of Bailong glacier group in Guangming lake area. This proves that the region's Late Jurassic strata have entered the Early Cretaceous. At the same time, that provides a new fossil basis for the Mesozoic sedimentary era redrawn in the area. |
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| Keywords: | Fossils Early Cretaceous Early Cretaceous Guangming Lake area Qiangtang basin Tibet |
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