Shajingzi Fault Belt and Its Controlling Effect on Hydrocarbons in Awati Sag in Tarim Basin
Yuanyuan Zhou
Abstract
Yuanyuan Zhou
Abstract
Shajingzi fault is boundary fault in northern Awati sag in Tarim basin,with trend of NE-SW and length of 180 km.The study of such a large-sized fault belt is now relatively not in-depth.Based on the analysis of the fault belt in plane distribution,profile characteristic,development and evolution,and its controlling effect on hydrocarbon accumulation,it is suggested that Shajingzi fault belt can be divided into western part,middle part and eastern part.It begins development since the early period of Hercynian,and its major fault has been active up to the present,which controls the structural framework,sedimentation,trap formation,oil-gas migration and accumulation of northern Awati sag.
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Shajingzi fault is boundary fault in northern Awati sag in Tarim basin,with trend of NE-SW and length of 180 km.The study of such a large-sized fault belt is now relatively not in-depth.Based on the analysis of the fault belt in plane distribution,profile characteristic,development and evolution,and its controlling effect on hydrocarbon accumulation,it is suggested that Shajingzi fault belt can be divided into western part,middle part and eastern part.It begins development since the early period of Hercynian,and its major fault has been active up to the present,which controls the structural framework,sedimentation,trap formation,oil-gas migration and accumulation of northern Awati sag.
Key concepts: Tarim basin, Geology, Fault (geology), Structural basin, Fault plane, Sedimentation, Geochemistry, Petrology