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Article Navigation >  Acta Sedimentologica Sinica  > 1996  >  14(S1): 84-89

Fu Wanjun, Liu Wenbin. Study on the alteration of feldspar from clastic rock in Tarim Basin[J]. Acta Sedimentologica Sinica, 1996, 14(S1): 84-89.
Citation: Fu Wanjun, Liu Wenbin. Study on the alteration of feldspar from clastic rock in Tarim Basin[J]. Acta Sedimentologica Sinica, 1996, 14(S1): 84-89.
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Study on the alteration of feldspar from clastic rock in Tarim Basin

  • 1 Research Institute of Nanhai West Oil Corp., Zhanjiang 524057;

  • 2 Lanzhou Institute of Geology, Chinese Academy of Sciences, Lanzhou 730000

  • Received Date: 1995-06-06
  • Publish Date: 1996-12-31
  • Reseach on the alteration process and precipated products of feldspar from elastic rock in Tarim Basin was carried out by the way of scanning electron microscope and energy spectrum analyzed. The results show that there are two alteration ways of feldspar in the acid medium.The products are Kaolinite and authentic quartz when the porosity and Permeability of elastic rock is high, and in this case, the alkaline ions (K+, Na+ ) precipated from feldspar are carried away easily. Contrarily, the products are illite and smetite when the porosity and Permeability is lower. Especially, study on the alteration proceder of K-feldspar and it's products was carried out in this paper.
  • [1] 1.陈丽华.扫描电俄在石油地质上的应用.石油工业出版，1990.

    2.任磊夫.枯土矿物与粘土岩.地质出版社，1992.

    3.M D RuizCRuz, et al. Diagenetic Kaolinite/Dicltite (Befit cordilleras. Spain) Clays and clay minerals. 1993, 41(5):570-579.

    4.Motharu Kawano. et al. Growth of Swectite from leached layer during experimental alteration of Albite. Clays and clay minerals 1994. 42 (1), 7-17.

    5.Shayan A. An amorphous product of complex composition in a SBuro一Devonian siltstone. Clay minerals, 1983, 18:33-336.
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  • Received:  1995-06-06
  • Published:  1996-12-31

Study on the alteration of feldspar from clastic rock in Tarim Basin

  • 1 Research Institute of Nanhai West Oil Corp., Zhanjiang 524057;
  • 2 Lanzhou Institute of Geology, Chinese Academy of Sciences, Lanzhou 730000
  • Received Date: 1995-06-06
  • Publish Date: 1996-12-31

Abstract: Reseach on the alteration process and precipated products of feldspar from elastic rock in Tarim Basin was carried out by the way of scanning electron microscope and energy spectrum analyzed. The results show that there are two alteration ways of feldspar in the acid medium.The products are Kaolinite and authentic quartz when the porosity and Permeability of elastic rock is high, and in this case, the alkaline ions (K+, Na+ ) precipated from feldspar are carried away easily. Contrarily, the products are illite and smetite when the porosity and Permeability is lower. Especially, study on the alteration proceder of K-feldspar and it's products was carried out in this paper.

Fu Wanjun, Liu Wenbin. Study on the alteration of feldspar from clastic rock in Tarim Basin[J]. Acta Sedimentologica Sinica, 1996, 14(S1): 84-89.
Citation: Fu Wanjun, Liu Wenbin. Study on the alteration of feldspar from clastic rock in Tarim Basin[J]. Acta Sedimentologica Sinica, 1996, 14(S1): 84-89.
shu

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