STUDY ON SEQUENCE STRATIGRAPHY OF CHEPAIZI AREA IN NORTHWESTERN MARGIN OF JUNGGAR BASIN
Dongming Zhi
Abstract
Dongming Zhi
Abstract
Using the principles and methods of sequence st ra tigraphy, the basic sequence stratigraphy frame for Jurassicin Chepaizi District of Junggar Basin is classified, based on which seismic sequence, system tracts, seismic facies and sedimentary system arefurther compared and analyzed, favora ble system tracts, sedimentary facies belts and areal distribution in this area are also indicated. Finally, in terms of target zones, lithologic traps are iden tified with several effective inversion methods and very good geological results have been gained.
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Using the principles and methods of sequence st ra tigraphy, the basic sequence stratigraphy frame for Jurassicin Chepaizi District of Junggar Basin is classified, based on which seismic sequence, system tracts, seismic facies and sedimentary system arefurther compared and analyzed, favora ble system tracts, sedimentary facies belts and areal distribution in this area are also indicated. Finally, in terms of target zones, lithologic traps are iden tified with several effective inversion methods and very good geological results have been gained.
Key concepts: Facies, Geology, Sequence stratigraphy, Structural basin, Sequence (biology), Lithology, Sedimentary rock, Paleontology