Guadalupian (Middle Permian) Conodont Faunas at Shangsi Section,Northeast Sichuan Province

被引：5

作者：

孙亚东 ^{[1
,2
]}

赖旭龙 ^{[1
,2
]}

江海水 ^{[2
]}

罗根明 ^{[2
]}

孙思 ^{[2
]}

阎春波 ^{[2
]}

Paul B Wignall ^{[3
]}

机构：

[1] Key Laboratory of Biogeology and Environmental Geology of Ministry of Education, China University of Geosciences,Wuhan , China

[2] Faculty of Earth Sciences, China University of Geosciences,Wuhan , China

[3] School of Earth and Environment, University of Leeds,LS JT, Leeds, UK

来源：

Journal of China University of Geosciences | 2008年 / 05期

关键词：

Middle Permian; Guadalupian; conodont; Shangsi Section;

D O I：

暂无

中图分类号：

Q915 [古动物学];

学科分类号：

0709 ; 070903 ;

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.

引用

页码：451 / 460

页数：10

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