Advances in Earth Science ›› 2010, Vol. 25 ›› Issue (9): 966-973. doi: 10.11867/j.issn.1001-8166.2010.09.0966

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Chondrites from the Devonian Neritic Cruziana Ichnofacies as Indicators of Palaeo-oxygenation Facies in South China

Ma Huizhen 1, Zhang Lijun 2, Gong Yiming 2, 3   

  1. 1.Guizhou Academy of Geologic Survey, Guiyang 550005,China; 
    2. Key Laboratory of Biogeology and Environmental Geology of Ministry of Education, China University of Geosciences, Wuhan 430074, China; 3. Key Laboratory of Biogenic Traces & Sedimentary Minerals of Henan Province, Henan Polytechnic University, Jiaozuo 454003, China
  • Received:2010-01-25 Revised:2010-06-22 Online:2010-09-10 Published:2010-09-10

Ma Huizhen, Zhang Lijun, Gong Yiming. Chondrites from the Devonian Neritic Cruziana Ichnofacies as Indicators of Palaeo-oxygenation Facies in South China[J]. Advances in Earth Science, 2010, 25(9): 966-973.

Chondrites widely occurred in the Devonian neritic Cruziana ichnofacies from the Liujing, Dushan and Wudang sections in South China. Colors of host strata, ichnofabrics and burrow size as well as taxonomy of Chondrites have been studied from 8 selected marine regions in South China. Our data indicated that only those small Chondrites (burrow size <1 mm) preserved in dark, dark grey limestones, mudstones and marls can be viewed as evidence of dysaerobic environments, and that large and strong Chondrites can be found in strata deposited in oxic facies.

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