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Article Navigation >  Acta Sedimentologica Sinica  > 1994  >  12(2): 101-104

Liu Wenbin, Fu Wanjun. The Discovery and Significance of the Cretaceous Cosmic Dust in Tarim Basin[J]. Acta Sedimentologica Sinica, 1994, 12(2): 101-104.
Citation: Liu Wenbin, Fu Wanjun. The Discovery and Significance of the Cretaceous Cosmic Dust in Tarim Basin[J]. Acta Sedimentologica Sinica, 1994, 12(2): 101-104.
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The Discovery and Significance of the Cretaceous Cosmic Dust in Tarim Basin

  • Lanzhon Institute of Geology, Chinese Academy of Sciences, 730000

  • Publish Date: 1994-06-10
  • The cosmic dust,which was found in the Cretaceous grey-brown oil-bearing sandstone occured in Tarim Basin, is siliceous cosmic dust. It was sticked on the surface of illite/smectite clay minerlas. Its shape appears to be the ideal sphere, the diameter of which is about 6Wn. And it has mosaic texture. It is the first time to find the cosmic dust in Cretaceous sedimentory rock in China. After comparing the chemical compositions of the comsic dust with those which were reported in literature,it is found they are very similar,and the Ti02/SiO2,Ti02/FeO,and Fe0/SiO2ratio values are 0. O1,0. 17 and 0. 1,respectively.
  • [1] 陈丽华等，扫描电镜在地质上的应用，科学出版社，1986.
    [2] 欧阳自远等，科学通报,1987,32(3):281~286.
    [3] 王尔康等，中国科学院(B),1993,23(12),1300~1308.
    [4] 刘文彬，地球科学进展，1989,(1):31~33.
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  • Published:  1994-06-10

The Discovery and Significance of the Cretaceous Cosmic Dust in Tarim Basin

  • Lanzhon Institute of Geology, Chinese Academy of Sciences, 730000
  • Publish Date: 1994-06-10

Abstract: The cosmic dust,which was found in the Cretaceous grey-brown oil-bearing sandstone occured in Tarim Basin, is siliceous cosmic dust. It was sticked on the surface of illite/smectite clay minerlas. Its shape appears to be the ideal sphere, the diameter of which is about 6Wn. And it has mosaic texture. It is the first time to find the cosmic dust in Cretaceous sedimentory rock in China. After comparing the chemical compositions of the comsic dust with those which were reported in literature,it is found they are very similar,and the Ti02/SiO2,Ti02/FeO,and Fe0/SiO2ratio values are 0. O1,0. 17 and 0. 1,respectively.

Liu Wenbin, Fu Wanjun. The Discovery and Significance of the Cretaceous Cosmic Dust in Tarim Basin[J]. Acta Sedimentologica Sinica, 1994, 12(2): 101-104.
Citation: Liu Wenbin, Fu Wanjun. The Discovery and Significance of the Cretaceous Cosmic Dust in Tarim Basin[J]. Acta Sedimentologica Sinica, 1994, 12(2): 101-104.
shu

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