| Guadalupian （Middle Permian） Conodont Faunas at Shangsi Section, Northeast Sichuan Province |
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| 引用本文： | 孙亚东,赖旭龙,江海水,罗根明,孙思,阎春波,PaulBWignall. Guadalupian （Middle Permian） Conodont Faunas at Shangsi Section, Northeast Sichuan Province[J]. 中国地质大学学报(英文版), 2008, 19(5): 451-460. DOI: 10.1016/S1002-0705(08)60050-3 |
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| 作者姓名： | 孙亚东 赖旭龙 江海水 罗根明 孙思 阎春波 PaulBWignall |
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| 作者单位： | Sun Yadong,Lai Xulong(Key Laboratory of Biogeology and Environmental Geology of Ministry of Education, China University of Geosciences, Wuhan 430074, China;Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, China);Jiang Haishui,Luo Genming,Sun Si,Yan Chunbo(Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, China);Paul B Wignall(School of Earth and Environment, University of Leeds, LS2 9JT, Leeds, UK) |
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| 基金项目： | 中国石油化工总公司资助项目，国家自然科学基金，Changjiang Scholars and Innovative Research Team，the 111 Project |
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| 摘 要： | This study recovered the Guadalupian conodont faunas from Shangsi (上寺) Section in Northeast Sichuan (四川). Four genera and nine species were identified, and three conodont zones were recognized and established; they include Jinogondolella nankingensis Zone, J. aserrata Zone, and J. postserrata Zone. The Roadian and Wordian boundary is set in the interval 5 m from the top of Bed 86 by the first appearance of the conodont J. aserrata. The Wordian and Capitanian boundary is set in the interval 2.3 m from the top of the Bed 95 by the first appearance of J. postserrata. Most of the specimens demonstrated low color alteration index (CAI) as 1.5-3, indicating that most part of the Maokou (茅口) Formation may have the suitable thermal conditions for the formation of oil source rocks.
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| 关 键 词： | 二叠纪 北美州 牙形石 四川 地质分析 |
| 收稿时间： | 2008-05-23 |
Guadalupian (Middle Permian) Conodont Faunas at Shangsi Section, Northeast Sichuan Province |
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| Sun Yadong,Lai Xulong,Jiang Haishui,Luo Genming,Sun Si,Yan Chunbo,Paul B Wignall. Guadalupian (Middle Permian) Conodont Faunas at Shangsi Section, Northeast Sichuan Province[J]. Journal of China University of Geosciences, 2008, 19(5): 451-460. DOI: 10.1016/S1002-0705(08)60050-3 |
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| Authors: | Sun Yadong Lai Xulong Jiang Haishui Luo Genming Sun Si Yan Chunbo Paul B Wignall |
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| Affiliation: | [1]Key Laboratory of Biogeology and Environmental Geology of Ministry of Education, China University of Geosciences, Wuhan 430074, China [2]Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, China [3]School of Earth and Environment, University of Leeds, LS29JT, Leeds, UK |
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| Abstract: | This study recovered the Guadalupian conodont faunas from Shangsi Section in Northeast Sichuan. Four genera and nine species were identified, and three conodont zones were recognized and established; they include Jinogondolella nankingensis Zone, J. aserrata Zone, and J. postserrata Zone. The Roadian and Wordian boundary is set in the interval 5 m from the top of Bed 86 by the first appearance of the conodont J. aserrata. The Wordian and Capitanian boundary is set in the interval 2.3 m from the top of the Bed 95 by the first appearance of J. postserrata. Most of the specimens demonstrated low color alteration index (CAI) as 1.5–3, indicating that most part of the Maokou Formation may have the suitable thermal conditions for the formation of oil source rocks. |
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| Keywords: | Middle Permian Guadalupian conodont Shangsi Section |
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