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ta li mu pen di xi nan zuo xian de gou zao lei xing
Pages: 102-108+188-189
Year: Issue:  2
Journal: Xinjiang Petroleum Geology

Keyword:  Tarim basin Structural type Basement rock CaprockOil and gas exploration;
Abstract: Through the studies of surface geology and interpretation of great numberof high-quality seismic sections,structural type of the southwest depression in Tarimbasin may be divided into two major types,six subtypes and ten small types. The majortypes are:(1) basement rolling-in type,including basement thrust,strike-slip torsion,thrust-torxion compiex and basement flexure;(2)caprock detachment type, involving tension fault depression, dual thrust,imbricate thrust, detachment anticline, gravity slidingand bend-faulted anticline. An oil reservoir has recently been discovered in detachment an-ticlines and the upper of dual strticture. Therefore, it is estimated that various detachmentstructures,folded fault svstems associated with torsion structtire,basement flexure struc-ture and basement rolling-in anticline are prospective area for oil and gas exploration in Tarim basin.
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