| 石炭纪杜内阶-维宪阶界线定义介绍 |
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| 引用本文： | 侯鸿飞,F·X·德维伊斯特.石炭纪杜内阶-维宪阶界线定义介绍[J].地层学杂志,2002,26(4):293-296,319. |
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| 作者姓名： | 侯鸿飞 F·X·德维伊斯特 |
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| 作者单位： | 1. 中国地质科学院,北京,100037
2. 新鲁文大学地质系,比利时,布鲁塞尔 |
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| 基金项目： | 中国科学技术部《中国典型地层剖面的立典研究》项目 (编号2 0 0 1DEA2 0 0 2 0 )，中国地质调查局《中国主要断代地层建阶研究项目》资助 |
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| 摘 要： | 简要介绍了杜内阶 -维宪阶界线定义的历史和现状 ,包括舍费尔德会议原始定义 ,牙形石 Guathodus texa-nus带底界定义 ,有孔虫 Eoparastaffella形态演化定义。2 0 0 1年 9月在美国圣路易斯举行的国际石炭纪地层委员会现场会议期间 ,非正式通过了石炭纪杜内阶 -维宪阶界线新定义 ,即“有孔虫 Eoparastaffella ovalis类群— E. sim-plex谱系中 Eoparastaffella simplex的首次出现”
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| 关 键 词： | 石炭纪 杜内阶 维宪阶 生物地层 全球界线层型 |
| 文章编号： | 0253-4959(2002)04-0293-04 |
INTRODUCTION TO THE DEFINITION OF TOURNAISIAN-VISEAN BOUNDARY |
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| HOU Hong fei,and Devuyst F. X..INTRODUCTION TO THE DEFINITION OF TOURNAISIAN-VISEAN BOUNDARY[J].Journal of Stratigraphy,2002,26(4):293-296,319. |
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| Authors: | HOU Hong fei and Devuyst F X |
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| Institution: | HOU Hong fei 1) and Devuyst F. X. 2) |
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| Abstract: | The biostratigraphical criterion on which the Tournaisian Visean boundary is to be defined in the first appearance in the foraminifer Eoparastaffella simplex in the lineage Eoparastaffella ovalis group E. simplex was informally approved by the SCCS Working Group at the September 2001 SCCS meeting in St. Louis, USA. A ballot is being distributed to all voting members for the final decision. The present paper introduces the history and current status of the definition of the Tournaisian Vesean boundary, covering the 1967 Sheffield Congress Proposal, the base of Gnathodus texanus Zone, the proposal of the “Working Group to establish a boundary close to the existing Tournaisian Vesean boundary”, the use of Eopa rastaffella morphotype 2 in the lineage E . morphotype 1 to morphotype 2, and the new decision at St. Louis. |
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| Keywords: | Tournaisian Visean Carboniferous biostratigraphy boundary stratotype |
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