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华北断块区的中生界有较好的含油气远景。因此,对它的研究,不但有重要的理论意义,而且富有实际价值。 前人对华北区中生代的地层和构造作了相当多的研究工作,积累了丰富的资料。一般认为,从三叠纪起,华北区的沉积呈“东西分异”,即在华北区西部形成鄂尔多斯盆地,而中部和东部则为隆起区,其上仅有孤立的
The Mesozoic fault zone in North China has a better hydrocarbon prospect. Therefore, its research not only has important theoretical significance, but also has practical value. The predecessors made quite a lot of research work on Mesozoic strata and structure in North China area and accumulated rich information. It is generally believed that from the Triassic age, the sedimentation in the North China area was “divergent from east to west”, that is, the Ordos Basin formed in the western part of North China and the uplifted area in the central and eastern parts, with only isolated