GIS支持下的盆地古构造再造--以松辽盆地北部古中央隆起带为例

再造地质历史时期盆地的古格局构造对于盆地构造演化史研究和油气运移路径模拟具有重要意义．将地理信息系统与盆地分析方法融合开展了松辽盆地北部古中央隆起带古构造演化史研究，阐述了在GIS支持下开展盆地古构造演化研究的原理和方法，再造了古中央隆起带的古构造格局、简要分析了古中央隆起带的古构造演化史．分析表明，古中央隆起带于火石岭一营城期开始发育，登楼库期定型，泉头期开始萎缩，姚家期末停止发育、从油气主运移期与构造形成期的配套关系考虑，古中央隆起带是深层天然气聚集的有利场所．

GIS-Based Reconstruction of Basin Paleotectonics: An Example from Paleo-Central Uplift Belt, Northern Songliao Basin

The reconstruction of the paleotectonic pattern in geologic history period is one of the important contents of basin modeling and also the basis for the research into the tectonic evolution history of basin and oil and gas migration path simulation. Therefore, this reconstruction is important for oil-gas-bearing basin research. Integrating geographic information system (GIS) technique with the basin analysis method, this paper has made a research into the structural evolutionary history of paleo-central uplift belt, northern Songliao basin, illustrated the principle and method for basin GIS-based paleotectonic reconstruction, reconstructed successfully the paleotectonic framework of paleo-central uplift belt, and epitomized the structural evolutionary history of paleo-central uplift belt. The result shows that the paleo-central uplift belt began to develop in the early Huoshiling-Yingcheng period, reached its peak during the Denglouku period, started to shrink gradually in the Quantou period, and ceased its growth at the end of the Yaojia period. From the point of view of the matching relation between major oil and gas migration period and structural formation period, the paleo-central uplift belt is believed to be a favorable site of natural gas accumulation.