| 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].地质通报,2012,31(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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| 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Classopollis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 Dicheiropollis 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 Dicheiropollis in Esima area of southern Qiangtang Basin, Tibet, and its geological significance[J].Geologcal Bulletin OF China,2012,31(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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| Abstract: | The sporo-pollen 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 Classopollis combinational features, the age of the strata can be assigned to Late Jurassic to Early Cretaceous. This discovery has important significance in that it not only provides evidence for the existence of Early Cretaceous strata in southern Qiangtang Basin but also offers clues to further geological work. |
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