摘要
根据综合地球物理方法,查明松辽盆地北部基底的断裂26条,其中岩石圈断裂6条,壳断裂5条,基底断裂15条;盆地基底岩性由五种类型所组成—前寒武系变质岩、糜棱岩、下古生界变质岩、二叠系浅变质岩及花岗岩。为盆地演化及含油气性提供重要信息。
By comprehensive geophysical interpretation in Song -liao basin, twenty six faults (sixteen lithosphere faults, five crust faults and fifteen basement faults) can be determined , also, five types of lithology in the basin have been deduced, they are: (1)the precambrian metamorphic rocks; (2)the mylonite; (3)the lower palaeozonic metamorphic rocks; (4)the permian shallow metamorphic rocks;(5)the granite . The above research results provide the important information about the evolution and oil-gas-bearing properties of the basin.
关键词
松辽盆地
基底结构
地球物理勘探
油气勘探
Song-liao basin, basement structure, Comprehensive geophysical interpretation
