Structure and Hydrocarbons in Junggar Basin

查看全文 作　　者：张庆春;田在艺

出　　处：《Journal of China University of Mining and Technology》索引2002年第12卷第1期,共5页

摘　　要：Having undergone four basin forming tectonic cycles--Hercynian, Indosinian, Yanshanian, and Himalayan, the Junggar basin becomes a multi cyclic superposed basin of old and hard mediun block pattern. Its multi cyclic tectonic and sedimentary evolution results in five series of hydrocarbon source rock formations--Carboniferous, Permian, Upper Triassic, Middle lower Jurassic, and Lower Tertiary, correspondingly forming five petroleum generation systems, of which the Permian and Middle lower Jurassic petroleum generation systems are the most important with the highest exploration degree. Hydrocarbons are controlled by basin structure as follows: 1) Hydrocarbon accumulations are controlled by the structural styles of paleo uplifts, paleo overthrust belts and contorted anticline belts formed in multi cyclic tectonic movements; 2) Important pathways for long distance lateral and vertical migration are provided respectively by unconformities and faults; 3) The pool forming characteristics of the Permian petroleum system are controlled by paleo structure; 4) The pool forming characteristics of Jurassic and Tertiary petroleum system are controlled by recent structures. 关键词：碳氢化合物准噶尔盆地油气资源地质成因成藏条件地质构造

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Structure and Hydrocarbons in Junggar Basin

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