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song liao pen di nan bu ji qi zhou yuan xia bai zuo tong de ceng xu
Author(s): 
Pages: 81-88
Year: Issue:  1
Journal: Oil & Gas Geology

Keyword:  松辽盆地早白垩世地层层序成盘旋回地层对比;
Abstract: 松辽盆地东南隆起区深部下白垩统存在地层重复的问题。九台县的三台乡、官马山地表剖面以及盆地内部的地震剖面上,管城酸性火山岩侵位于沙河子组之中,而不是夹层关系。所谓营城煤系就是沙河子组。火石岭组也存在同样问题。因此,本区早白垩世成盆期只有一个沙河子组,它与中央坳陷区的敖包组、登娄库组大体相当。据此,敖包组、登娄库组极有可能是中央坳陷区深部重要的径源岩,因而是一个有远景的含油气区。
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