| 藏北南羌塘安多县鄂斯玛地区早白垩世孢粉化石Dicheiropollis的发现及其地质意义 |
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| 引用本文： | 陈文彬,贺永忠,占王忠,熊兴国,吴滔,黎文本,程金辉.藏北南羌塘安多县鄂斯玛地区早白垩世孢粉化石Dicheiropollis的发现及其地质意义[J].中国区域地质,2012(10):1602-1607. |
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| 作者姓名： | 陈文彬 贺永忠 占王忠 熊兴国 吴滔 黎文本 程金辉 |
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| 作者单位： | [1]中国地质调查局成都地质调查中心,四川成都610082 [2]贵州省地质调查院,贵州贵阳550005 [3]中国科学院南京地质古生物研究所,江苏南京210008 |
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| 基金项目： | 国家油气专项《青藏高原重点盆地油气资源战略选区》（编号：XQ-2009-1） |
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| 摘 要： | 报道南羌塘盆地鄂斯玛地区首次发现早白垩世Dicheiropollis花粉。根据这一花粉的出现和整个孢粉中大量出现Clas-sopollis的组合特征,其时代可确定为晚侏罗世—早白垩世早期。这不仅为藏北南羌塘盆地晚白垩世地层的存在提供了依据,而且为今后进一步的地质工作提供了线索,具有重要的研究意义。
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| 关 键 词： | 孢粉 早白垩世 鄂斯玛地区 南羌塘 |
The discovery of DicheiropoUis in Esima area of southern Qiangtang Basin, Tibet, and its geological significance. |
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| CHEN Wen-bin,HE Yong-zhong,ZHAN Wang-zhong,XIONG Xing-guo,WU Tao,LI Wen-ben,CHENG Jin-hui.The discovery of DicheiropoUis in Esima area of southern Qiangtang Basin, Tibet, and its geological significance.[J].Regional Geology of China,2012(10):1602-1607. |
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| Authors: | CHEN Wen-bin HE Yong-zhong ZHAN Wang-zhong XIONG Xing-guo WU Tao LI Wen-ben CHENG Jin-hui |
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| Institution: | 1.Chengdu Institute of Geology and Mineral Resources, China Geological Survey, Chengdu 610082, Sichuan, China,2. Guizhou Institute of Geological Survey, Guiyang 550005, Guizhou, China; 3.Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing 210008, Jiangsu, China |
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| Abstract: | The sporo-poUen fossils of Dicheiropollis were found from Esima area in southern Qiangtang Basin, Tibet. According to the emergence of the sporo-pollen fossils and a large number of ClassopoUis combinational features, the age of the strata can be as- signed to Late Jurassic to Early Cretaceous. This discovery has important significance in that it not only provides evidence for the exis- tence of Early Cretaceous strata in southern Qiangtang Basin but also offers clues to further geological work. |
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| Keywords: | sporo-pollen fossils Early Cretaceous Esima area southern Qiangtang Basin |
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