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Volume 21 Issue 6
Dec 2010
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Journal of Earth Science  > 2010  >  21(6): 954-960.
Guodong Zheng, Shouyun Liang, Yuhua Lang, Xiangxian Ma, Mingliang Liang, Wei Xiang. Pyrite in Sliding Mud: A Potential Indicator of Landslide Development. Journal of Earth Science, 2010, 21(6): 954-960. doi: 10.1007/s12583-010-0148-3
Citation: Guodong Zheng, Shouyun Liang, Yuhua Lang, Xiangxian Ma, Mingliang Liang, Wei Xiang. Pyrite in Sliding Mud: A Potential Indicator of Landslide Development. Journal of Earth Science, 2010, 21(6): 954-960. doi: 10.1007/s12583-010-0148-3
shu

Pyrite in Sliding Mud: A Potential Indicator of Landslide Development

doi: 10.1007/s12583-010-0148-3
  • 1.

    Key Laboratory of Petroleum Resources Research, Lanzhou Institute of Geology, Chinese Academy of Sciences, Lanzhou 730000, China

  • 2.

    Three Gorges Research Center for Geo-hazard, Ministry of Education, China University of Geosciences, Wuhan 430074, China

  • 3.

    School of Civil Engineering and Mechanics, Lanzhou University, Lanzhou 730000, China

  • 4.

    Institute of Geohazards Protection, China Three Gorges University, Yichang 443002, China

Funds:

the Three Gorges Research Center for Geo-hazard, Ministry of Education, China University of Geosciences TGRC201002

Chinese Academy of Sciences as 100-Tallent Program in 2007–2011 

More Information
  • Corresponding author: Guodong Zheng, gdzhuk@hotmail.com
  • Received Date: 13 Jul 2010
  • Accepted Date: 10 Sep 2010
  • Publish Date: 01 Dec 2010
    Abstract
  • A new principle of geochemical conditions within a landslide slip zone is presented based on the concept of a self-sealing closed system for which newly formed pyrite should be considered as a potential indicator. Once slip zones occur, a series of water-rock interactions may take place, particularly, a change in redox conditions simultaneously with progression of the landslide. This change induces weathering of the debris and bed rocks, and leads to accumulation of newly formed sliding mud within the slip zone. Pyrite formation along with clay mineral accumulation occurs under a weak alkaline-strong reducing environment along with landslide development. Thus, formation of neogenetic pyrite, iron speciation, and clay mineralization are all important factors for a better understanding of landslide progression.

     

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    • References(19)
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