Xinjiang Petroleum Geology ›› 2003, Vol. 24 ›› Issue (6): 513-516.

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Study of Interstratified Chlorite-Smectite Minerals in Tarim Basin

ZHAO Xing-yuan   

  1. Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China
  • Received:2002-12-18 Online:2003-12-01 Published:2020-08-24

Abstract: Interstratified chlorite-smectite minerals in Tarim basin are studied by means of chemical analysis, SEM, X-ray diffraction, etc. There exist two basic minerals combinations of interstratified chlorite-smectite without kaolinite and interstratified chlorite-smectite with kaolinite.The former is mainly found in several strata or intervals of Neogene-Cretaceous and Carboniferous;the latter is distributed in individual zone of Cretaceous. The forming conditions of these combinations are slightly different from each other.

Key words: Tarim basin, clay mineral, chlorite, smectite, origin

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