【摘要】 巴楚隆起西段的色力布亚断裂于加里东中期在低幅度隆起的背景上形成。作为隆起与麦盖提斜坡限制性边界断裂,南、中、北段断裂演化规律各有不同。其中南段为一次性形成、后期运动未经活动再改造;中、北段为早期形成,后期继承活动改造。色力布亚断裂北段在加里东中晚期形成,海西期继续活动向上延伸。断裂倾角、断距与构造运动强度相关,下大上小,倾角是上大下小。通过对色力布亚南、中、北段典型剖面的演化史及其断层封堵性分析,认为其中北段深层断裂圈闭保存性差,油气散失,但是喜山中晚期中、北段浅层推覆断裂未切穿古近系地层,其深层断裂直接被新生界巨厚地层覆盖,形成封闭箱体,形成油气藏;色力布亚南段由于是一次性形成,未经后期运动改造,无论是海西期还是喜山期,都具备成藏的保存条件。更多还原

【Abstract】 Selibuya Fault was in the the west of Bachu Uplift, the Fault was formed under the background of mid-Caledonian low uplift. As a boundary fault between uplift and Maigaiti Slope, the evolution of different sections of Selibuya Fault was different. The south section was formed at a time, and was not rebuilt by late activities. The middle and north sections are formed at early time, and were rebuilt by late activities.The north sections of Selibuya Fault were formed in mid-late Caledonia, and kept active and extending upwardly in Hercynian period. The dip and fault throw were correlated with the structural activities, the fault throw was larger below than above, the dip was larger above than below.According to the analysis of fault sealing and evolution of characteristic profile in the south, middle and north sections of Selibuya Fault, it is considered that the trap conservation is not good in the north deep fault section, the petroleum is lost, but the shallow nappe fault of the middle and north sections is not cut through the Paleogene strata in Himalayan period, the deep fault is overlay by thick Cenozoic strata, and form a sealed box and hydrocarbon reservoir. Because the south section of Selibuya Fault is formed at a time without late rebuilding, the reservoir forming condition is good in Hercynian or Himalayan.更多还原