论华北地区中新生代中小盆地

华北地区中新生代中小盆地是随印支运动后华北地台的活化而形成发展起来的。在印支、燕山、喜山期分别形成坳陷型、断坳型和断陷型三大基本类型的盆地，相应的沉积建造可分为三叠系、株罗—白垩系、下第三系、上第三系—第四系几个构造层。不同类型的盆地有不同类型的油气藏，坳陷型企地应以寻找构造油气藏为主，断坳陷盆地以寻找构造—岩性油气藏为主，而断陷型盆地则应以寻找岩性类油气藏为主。

Discussion on Medium-Small Mesozoic and Cenozoic Basins in North China

Medium-Small Mesozoic and Cenozoic basins in thethe North China platform activation after Indosinianmovement. Three main basin types developed aredownwarping basins, fault sag basins and fault basinsduring the Indosinian movement, Yanshan movement andHimalayan movement periods. And the correspondingsedimentary formation may be divided into severalstructural layers of Triassic, Jurassic - Mesozoic, lowerPaleogene, upper Paleogene-Quaternary. There aredifferent oil and gas reservoirs in the different basin types:Structural reservoirs should be mainly sought indownwarping basins, structural -lithologic in fault sagbasins, and lithologic reservoirs in fault basins.