Abstract
High resolution multi-channel seismic survey is a cost-efficient technique for geological exploration.We conducted high resolution multi-channel seismic survey with the SYNTRAK-480,and studied the stratigraphical sequences in the East China Sea Basin.Based on the characteristics of seismic reflection records retrieved from the multi-channel seismic data,6 reflectors marked as T02,T03,T04,T05,T06 and Tg are recognized and 6 seismic sequences established by correlation.From the top to the bottom,they are Ⅰ(sea floor—T02),Ⅱ(T02—T05),Ⅲ(T05—T06),Ⅳ(T06—Tg)andⅤ(Tg —below),and the second sequence can be further divided to two subsequences,Ⅱ1 and Ⅱ2.Compared with the data from the adjacent sea and land areas,these seismic sequences are Q+N,E3+E2+ E1,K,J and Pre-Mesozoic respectively in age.The Mesozoic deposit is a favorable oil and gas exploration target in this area,especially in the Minjiang sag and Keelung sag.
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