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An approach to the tectonic evolution and hydrocarbon accumulation in the Halaalate Mountain area, northern Xinjiang
Author(s): 
Pages: 52-58
Year: Issue:  2
Journal: Sedimentary Geology and Tethyan Geology

Keyword:  哈拉阿拉特山地区构造演化油气成藏烃源岩储盖条件圈闭运移条件;
Abstract: 哈拉阿拉特山地区是准噶尔盆地西北缘前陆褶皱冲断带的一部分.本文以油气地质理论为指导,利用平衡剖面技术对研究区进行了构造演化特征及演变史的恢复,并对该地区的油气源条件、储盖条件、圈闭条件以及运移条件等油气成藏基本条件进行了初步分析与探讨.认为哈拉阿拉特山地区构造演化与准噶尔盆地西北缘密切相关,大致经历了4个演化阶段:即碰撞挤压期(C -P)、弧后挤压期(P2-T)、伸展断陷期(J1-J21)和再生前陆期(J22-Q).哈拉阿拉特山地区拥有较好的油气源条件,发育有多套储盖组合、不同类型圈闭和复合的输导体系,具备形成油气藏的基本地质条件,具有广阔的油气勘探前景.
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