| 西北地区志留纪温洛克世晚期-罗德洛世早期的一些笔石 |
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| 引用本文： | 倪寓南,宋礼生.西北地区志留纪温洛克世晚期-罗德洛世早期的一些笔石[J].古生物学报,2002,41(3):361-371. |
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| 作者姓名： | 倪寓南 宋礼生 |
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| 作者单位： | 1. 中国科学院南京地质古生物研究所,南京,210008
2. 西安地质矿产研究所,西安,710054 |
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| 摘 要： | 记述西北地区志留纪温洛克世晚期－罗德洛世早期笔石5属，11种，进一步肯定罗德洛世早期nilssoni带的地层在陕西紫阳，甘肃迭部和内蒙古额济纳旗的存在，首次确认陕西紫阳和内蒙古额济纳旗发育温洛克世侯默中晚期含笔石地层，大致为parvus带或稍高。
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| 关 键 词： | 西北地区 志留纪 温洛克世晚期 罗德洛世早期 笔石 |
| 修稿时间： | 2001年12月25 |
SOME LATE WENLOCK-EARLY LUDLOW (SILURIAN) GRAPTOLITES FROM NORTHWEST CHINA |
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| NI Yu Nan and SONG Li Sheng Nanjing Institute of Geology and Palaeontology,the Chinese Academy of Sciences,Nanjing Xi''an Institute of Geology and Mineral Resources,Xi''an.SOME LATE WENLOCK-EARLY LUDLOW (SILURIAN) GRAPTOLITES FROM NORTHWEST CHINA[J].Acta Palaeontologica Sinica,2002,41(3):361-371. |
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| Authors: | NI Yu Nan and SONG Li Sheng Nanjing Institute of Geology and Palaeontology the Chinese Academy of Sciences Nanjing Xi'an Institute of Geology and Mineral Resources Xi'an |
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| Institution: | NI Yu Nan 1) and SONG Li Sheng 2) 1) Nanjing Institute of Geology and Palaeontology,the Chinese Academy of Sciences,Nanjing 210008 2) Xi'an Institute of Geology and Mineral Resources,Xi'an 710054 |
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| Abstract: | |
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| Keywords: | graptolites Wenlock Ludlow Silurian Northwest ChinaSummary The material dealt with in this paper was collected from four measured sections at Huangutan Ziyang of Shaanxi at Jiannigou and Anzigou Tewo of southwestern Gansu and |
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