| 华南造山带下寒武统和中奥陶统发现放射虫 |
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| 引用本文： | 郑,宁 宋天锐 李廷栋 刘,训 耿树方 丁孝忠 谭正修 游国庆 凌跃升.华南造山带下寒武统和中奥陶统发现放射虫[J].中国地质,2012,39(1):260-265. |
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| 作者姓名： | 郑 宁 宋天锐 李廷栋 刘 训 耿树方 丁孝忠 谭正修 游国庆 凌跃升 |
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| 作者单位： | 中国地质科学院地质研究所;湖南省地质调查院 |
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| 基金项目： | 中国地质调查局“西太平洋大陆边缘深部过程与成矿作用”项目(1212010733802);“中国地层构造区划与区域地质调查综合集成”项目(1212011120115);“中国构造区划及其在全国地质志中的应用”项目(1212011120117)共同资助 |
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| 摘 要： | 在华南造山带江西萍乡下寒武统牛角河组泥质板岩和湖南永州中奥陶统烟溪组硅质岩中首次发现放射虫。放射虫的发现表明萍乡—永州一带寒武纪—中奥陶世存在相当规模的处于低纬度的海盆。
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| 关 键 词： | 华南造山带 下寒武统 中奥陶统 放射虫 |
The discovery of the Lower Cambrian and Middle Ordovician Radiolaria in the South China orogenic belt |
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| ZHENG Ning,SONG Tian-rui,LI Ting-dong,LIU Xun,GENG Shu-fang,DING Xiao-zhong,TAN Zheng-xiu,YOU Guo-qing,LING Yue-sheng.The discovery of the Lower Cambrian and Middle Ordovician Radiolaria in the South China orogenic belt[J].Chinese Geology,2012,39(1):260-265. |
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| Authors: | ZHENG Ning SONG Tian-rui LI Ting-dong LIU Xun GENG Shu-fang DING Xiao-zhong TAN Zheng-xiu YOU Guo-qing LING Yue-sheng |
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| Institution: | 1.Institute of Geology,Chinese Academy of Geological Sciences,Beijing 100037,China;2.Hunan Institute of Geological Survey,Changsha 410000,Hunan,China) |
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| Abstract: | Radiolaria fossils were discovered for the first time in the lower Cambrian and middle Ordovician strata of the South China orogenic belt.They occur in argillaceous slate of the lower Cambrian Niujiaohe Formation in Pingxiang of Jiangxi Province and silicalite of the middle Ordovician Yanxi Formation in Yongzhou of Hunan Province.The discovery of Radiolaria shows that there might have existed a low-latitude sea basin of considerable scale in Pingxiang-Yongzhou area in Cambrian-Ordovician period. |
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| Keywords: | South China orogenic belt lower Cambrian middle Ordovician Radiolaria |
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