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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2007  >  29(3): 307-310
Liu Gang, Zhou Dongsheng. APPLICATION OF MICROELEMENTS ANALYSIS IN IDENTIFYING SEDIMENTARY ENVIRONMENT——TAKING QIANJIANG FORMATION IN THE JIANGHAN BASIN AS AN EXAMPLE[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2007, 29(3): 307-310. doi: 10.11781/sysydz200703307
Citation: Liu Gang, Zhou Dongsheng. APPLICATION OF MICROELEMENTS ANALYSIS IN IDENTIFYING SEDIMENTARY ENVIRONMENT——TAKING QIANJIANG FORMATION IN THE JIANGHAN BASIN AS AN EXAMPLE[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2007, 29(3): 307-310. doi: 10.11781/sysydz200703307
shu

APPLICATION OF MICROELEMENTS ANALYSIS IN IDENTIFYING SEDIMENTARY ENVIRONMENT——TAKING QIANJIANG FORMATION IN THE JIANGHAN BASIN AS AN EXAMPLE

doi: 10.11781/sysydz200703307
  • 1.

    Chinese Academy of Geological Sciences, Beijing 100037, China

  • 2. School of Marine Sciences, China University of Geosciences, Beijing 100083, China

  • Received Date: 2007-02-12
  • Rev Recd Date: 2007-04-07
  • Publish Date: 2007-05-28
    Abstract
  • The compositions of microelements in clay minerals,mud rock and gypsum in lake sediments are very sensitive to the change of sedimentary environment.It may reveal lake-level change.The lithology change of sediment in saline lake in vertical is distinct,this change is controled by the balance in supply,evaporation and sediment of the river,which lead to the change of lake level.The paper mainly introduces using microelements,B,S,Ba,Ti,Fe,P,Mn etc.,in the Qianjiang Sag of the Jianghan Basin as an indication for sedimentary environment change to analyse the characteristics of change in different sequence and different systems tract,and discusses paleoclimate and sedimentary environment in different sequence.The content of B in sedimentary rock is more then in igneous rock commonly.The content of B is 135×10-6 in shale and(1～40)×10-6 in sand rock.The content of Sr is 0.8‰～1‰ in saline lake and 0.1‰～0.3‰ in freshwater.

     

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