In the light of sequence -basin-geosystem theory in conjunction with previous results, the relationship between sequence and basin has been tentatively studied. The following aspects have been addressed: 1) sequence boundaries and basin-mountain transformation; 2) sequence hierarchies and basin scales; 3) sequence genetic frameworks and basin types; and 4) sequence filling successions and basin evolution. Several relationships between sequence stratigraphic frameworks and the basin natures have been discussed. 1) Different hierarchies and genesis of sequence boundaries reflect the dynamic transformation of sedimentary basin, in which super, first-order, second-order boundaries indicate the stress mechanisms of the basin tract-basin tract, basin-basin, and basin-mountain transformation, the third and fourth-order boundaries reflect the transformation process of accommodation and sedimentation mechanism. 2) Different hierarchies of sequences show a certain intrinsic coupling relationships with sedimentary basins: the super-order sequence corresponds to the sedimentary basin tracts, the first-order sequence corresponds to the sedimentary basin, the second-order sequence corresponds to the basin tectonic stage; the third-order sequence corresponds to the basin infilling episodes; the fourth and fifth-order sequences correspond to the basin filling rhythms. 3) Sequence characteristics such as boundary nature, sequence geometry, structure, scale, thickness, completeness and symmetry etc., are different in different genetic basins. Therefore, sedimentary basin can be identified based on sequence genetic framework and internal architecture. 4) The nature, structure and sedimentary framework of basins are different during various stage of basin evolution, which results in the differences in the architectures of sequence sets and the boundary attributes and their combination characteristics. Therefore, the sedimentary basin tectonic stage and evolution history can be distinguished based on the combined characteristics, composition, architecture, and infilling pattern of sequence sets.
About author: Qin Jianxiong, male, born in 1967, graduated from the Chengdu College of Geology in 1988, obtained the Ph. D. Degree, and served as a postdoctoral research fellow in the Ocean University of Qingdao. Now he is a professor in the Chengdu University of Technology, and mainly working on sedimentary geology & marine sedimentology.
Cite this article:
. SEQUENCE STRATIGRAPHY APPLIED TO THE IDENTIFICATION OF SEFIMANTARY BASIN[J]. JOURNAL OF PALAEOGEOGRAPHY, 2001, 3(2): 72-81.
. SEQUENCE STRATIGRAPHY APPLIED TO THE IDENTIFICATION OF SEFIMANTARY BASIN[J]. JOPC, 2001, 3(2): 72-81.
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