THE FEATURES OF THE NNE TRENDING FAULTS AND ITS IMPLICATION FOR HYDROCARBON IN THE ZHUANGHAI AREA, BOHAIWAN BASIN
Received date: 2004-04-19
Revised date: 2004-07-19
Online published: 2004-10-20
Based on the analysis of high-resoulution 3D seismic data and drilling wells, this paper studies the NNE trending fault and associated structures. The NNE trending faults show an echolon arrangement on horizontal. The different tectonic deformation and strata units exist in the both side of the fault zone. The NNE fault has associated folds by the side of the fault zone. The faults are characterized by flower structure on the seismic profiles. Therefore, the faults have strike-slip movement. The NNE trending faults, which parallel to the Tanlu fault, were possible formed during Indo-China movement. It was active as a right strike-slip fault during Late Jurassic and Early Cretaceous. It controlled the Magan ejection and development of Late Mesozoic sedimentary basin. The faults express as normal fault by right strike-slips movement during Censozoic except tectonic inversion.
Key words： Strike-slip fault; Flower structure; Tanlu fault; Bohaiwan basin.
ZOU Dong-bo， WU Shi-guo，LIU Gang，HAN Wen-gong . THE FEATURES OF THE NNE TRENDING FAULTS AND ITS IMPLICATION FOR HYDROCARBON IN THE ZHUANGHAI AREA, BOHAIWAN BASIN[J]. Natural Gas Geoscience, 2004 , 15(5) : 503 -507 . DOI: 10.11764/j.issn.1672-1926.2004.05.503
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