| 中国二叠系的底界 |
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| 引用本文： | 王成源,康沛泉.中国二叠系的底界[J].微体古生物学报,2000,17(4):378-387,T004. |
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| 作者姓名： | 王成源 康沛泉 |
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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. 贵州石油勘探开发指挥部地质科学研究所,贵阳550001 |
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| 基金项目： | 中国科学院古生物学与古人类学特别资助项目(No．980403) |
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| 摘 要： | 牙形刺是二叠系生物地层的主导门类，地叠系的三统九阶的界线层型（ＧＳＳＰ）都将用牙形刺定义。我国石炭－二叠系（Ｃ／Ｐ）的分界应采用与国际上一致的标准，即用牙形刺Ｓｔｒｅｐｔｏｇｎａｔｈｏｄｕｓ ｉｓｏｌａｔｕｓ的首次出现定义二叠系的底界。Ｓ．ｉｓｏｌａｔｕｓ在我国华南、华北均有分布，可精确地确定二叠系的底界。华北太原组应归下二叠统Ａｓｓｅｌｉａｎ阶，我国Ｃ／Ｐ界线地层和Ｓｔｒｅｐｔｏｇｎａｔｈｏｄｕ
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| 关 键 词： | 牙形刺 二叠系底界 中国 C／P界线 |
THE BASE OF THE PERMIAN SYSTEM IN CHINA |
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| Wang Cheng-yuan,Kang Pei-quan.THE BASE OF THE PERMIAN SYSTEM IN CHINA[J].Acta Micropalaeontologica Sinica,2000,17(4):378-387,T004. |
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| Authors: | Wang Cheng-yuan Kang Pei-quan |
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| Institution: | Wang Cheng-yuan
;(Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008);Kang Pei-quan
;(Geological Institute, Petroleum Exploration Headquarters of Guizhou, Guiyang 550001) |
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| Abstract: | Conodonts are the leading fossil group for the Permian biostratigraphy. The definition of all stages of the Permian System should be defined by conodonts. The base of the Permian System in China should be defined by the FAD of Streptognathodus isolatus , keeping consistency with the international standard. S. isolatus is widely distributed both in South China and in North China Platforms. It can be used precisely to define the base of the Permian System. The Taiyuan Formation should be assigned to Lower Permian rather than Upper Carboniferous. The taxonomy of the genus Streptognathodus should be studied thoroughly. |
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| Keywords: | conodonts Streptognathodus isolatus Permian base China |
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