Sedimentary evolution characteristics of 3d seismic areas in fangzheng fault
Marine Geology Letters(2010)
摘要
Combined with previous data,every sequence unit in the study area was identified and divided by using theory of sedimentology and sequence stratigraphy.Three sedimentary facies including fan delta face,lake face and sublacustrine fan face were further divided into 8 subfacies and 16 microfacies;we made analysis of flat spreading features of each segment by researching on seismic faces and predicting sand body.It is indicated that it mainly developed fan delta-lacustrine depositional system where direction of material supply was from margin of Fangzheng Fault and Yihantong Fault to the centre of Fangzheng Fault.
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关键词
sedimentary evolution,Fangzheng Fault,sedimentary facies
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