High-resolution cyclostratigraphy of geochemical records from Permo-Triassic boundary section of Dongpan, southwestern Guangxi, South China

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• 作者：XingFang Peng (1)
  QingLai Feng (1)
  ZhouBo Li (2)
  YouYan Meng (3)
  
• 关键词：spectral analysis ; P/T boundary ; geochemistry ; cyclostratigraphy ; Guangxi
• 刊名：Science China Earth Sciences
• 出版年：2008
• 出版时间：February 2008
• 年：2008
• 卷：51
• 期：2
• 页码：187-193
• 全文大小：1101KB
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• 作者单位：XingFang Peng (1)
  QingLai Feng (1)
  ZhouBo Li (2)
  YouYan Meng (3)
  
  1. MOE Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, 430074, China
  2. Faculty of Mathematics and Physics, China University of Geosciences, Wuhan, 430074, China
  3. Guangxi Geological Survey Research Institute, Nanning, 530031, China
  
• ISSN：1869-1897

文摘

Spectral analysis is applied to geochemical data from a deep-water Permian-Triassic Boundary (PTB) section across PTB in Dongpan, Guangxi for high-resolution cyclostratigraphic research. The characteristics of the Milankovitch Cycles have been well recorded in the strata of the Dongpan section. Spectrum on Ce/La records shows especially that the ratios among its three preponderant cycles in the section are 5:2:1, which well displays the phenomenon of the sedimentary cycles driven by orbital force. The Milankovitch theory is further confirmed by the Paleozoic records.