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Volume 19 Issue 3
Jun 2008
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Article Contents
Laishi ZHAO, Jinnan TONG, Suxin ZHANG, Zhimin SUN. An Update of Conodonts in the Induan-Olenekian Boundary Strata at West Pingdingshan Section, Chaohu, Anhui Province. Journal of Earth Science, 2008, 19(3): 207-216.
Citation: Laishi ZHAO, Jinnan TONG, Suxin ZHANG, Zhimin SUN. An Update of Conodonts in the Induan-Olenekian Boundary Strata at West Pingdingshan Section, Chaohu, Anhui Province. Journal of Earth Science, 2008, 19(3): 207-216.

An Update of Conodonts in the Induan-Olenekian Boundary Strata at West Pingdingshan Section, Chaohu, Anhui Province

Funds:

the National Natural Science Foundation of China 40621002

the National Natural Science Foundation of China 90714010

the National Natural Science Foundation of China 40574028

the State Key Laboratory of Geological Processes and Mineral Resources GPMR2007

More Information
  • Corresponding author: Zhao Laishi, lszhao@cug.edu.cn
  • Received Date: 29 Oct 2007
  • Accepted Date: 09 Jan 2008
  • The Lower Triassic in Chaohu (巢湖) area, Anhui (安徽) Province, China, is well developed and its sequence is typical in South China. After a brief introduction of the Induan-Olenekian boundary of Chaohu, this article presents some new data on conodonts. More than ten times of conodont samplings and investigations have recovered thousands of conodont specimens, which are especially rich in the Induan-Olenekian boundary strata at the West Pingdingshan Section in Chaohu City, Anhui Province. The most distinctive forms are the conodonts of the Neospathodus dieneri group and N. waageni group. The first occurrence of N. waageni eowaageni, which is regarded as the indicator of the Induan-Olenekian boundary, is situated at 40.49 m above the base of Yinkeng (殷坑) Formation. Some key conodonts and seven new specimens are introduced.

     

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