| 西藏北部申扎地区志留纪岩石地层和生物地层 |
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| 引用本文： | 张树岐,曲永贵,郑春子.西藏北部申扎地区志留纪岩石地层和生物地层[J].地质通报,2003(Z1). |
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| 作者姓名： | 张树岐 曲永贵 郑春子 |
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| 作者单位： | 吉林省地质调查院 吉林长春130061
(张树岐，曲永贵)，吉林省地质调查院 吉林长春130061(郑春子) |
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| 基金项目： | 中国地质调查局1∶25万多巴区幅区域地质调查项目(编号:20001300009251)。 |
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| 摘 要： | 在开展西藏北部多巴区幅1∶25万区域地质调查时,对分布于申扎地区的志留纪地层进行了详细的研究和划分,厘定了该区志留纪岩石地层单元,建立了生物地层层序。首次提出了该区志留系四分方案,并为确定奥陶系与志留系的界线位置提出了具体意见。为西藏乃至全国的志留系的研究与划分提供了重要依据。
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| 关 键 词： | 西藏北部 志留纪 岩石地层 生物地层 |
Silurian lithostratigraphy and biostratigraphy in the Xainza area,northern Tibet |
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| ZHANG Shuqi,QU Yonggui,ZHENG Chunzi.Silurian lithostratigraphy and biostratigraphy in the Xainza area,northern Tibet[J].Geologcal Bulletin OF China,2003(Z1). |
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| Authors: | ZHANG Shuqi QU Yonggui ZHENG Chunzi |
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| Abstract: | The authors have made detailed study and division on Silurian strata in the Xainza area,north-ern Tibet,determined the Silurian lithostratigraphic and biostratigraphic units and established the biostrati-graphic sequence.A four-fold division has been proposed for the first time and concrete opinions have been put forward for the determination of the location of the boundary between the Ordovician and Sil-urian.This provides an important basis for the study and division of the Silurian in Tibet and throughout China. |
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| Keywords: | Silurian lithostratigraphy biostratigra phy northern Tibet |
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