南祁连拉脊山北缘逆冲推覆构造带

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ON THE OVERTHRUST ZONE IN THE NORTH MARGIN OF THE LAJISHAN, THE SOUTHERN QILIAN MOUNTAINS

摘要: 南祁连拉脊山北缘逆冲推覆构造带形成于中新世以后,断面形态呈铲形,各个断层向地壳深部都收敛于一个统一的滑脱面.它的发现扩大了民和盆地油气勘探的领域.
- 逆冲推覆 /
- 叠瓦扇形 /
- 滑脱面 /
- 混杂岩 /
- 糜棱岩 /
- 区域应力场
Abstract: The overthrust structural zone on the north margin of the Lajishan Mts.,the southern Qilian Mts.,formed after Miocene,and all the faults like listric shape and converged toward a united detachment sole in the deep crust.It is considered that the discovery of such a structure would expand the oil/gas prospective area in the Minhe Basin

[1]	郝治纯,宋其善等.西宁民和盆地中侏罗世-第三纪地层及介形虫、轮藻化石.地球科学,1983.(23)
[2]	杨中轩.再谈板块构造与中国大陆中新生代含油气盆地的形成,古潜山,1989.(4)