三江盆地地史模拟及其地质意义研究Study on Sanjiang Basin geohistory numerical simulation and geological significance
孟庆龙,薛林福,滕菲,徐兴科,陈长伟
MENG Qing-long,XUE Lin-fu,TENG Fei,XU Xing-ke,CHEN Changwei (Earth Sciences School of Jilin University
摘要(Abstract):
利用盆地数值模拟技术恢复了三江盆地地史演化过程。研究表明,三江盆地绥滨坳陷沉降开始较早,滴道组—穆棱组时期,盆地经历一次大规模的沉降—抬升过程;前进坳陷沉降开始较晚,从海浪组时期到富锦组沉积前,是盆地形成、发展的主要时期;三江盆地与松辽盆地北部的沉降趋势基本一致,其差异性主要表现在断陷作用后构造演化的不同。
Evolutionary process is of Sanjiang Basin geohistory rebuilt with numerical simulation technique.Result shows that subsidence of Suibin Depression starts earlier.In Didao to Muling Formation,the Basin has a large-scale subsidence-rise process.Subsidence of Qianjin Depression starts later in Hailang to Fujin Formation,and is the main formation and development period of the basin.Sanjiang Basin subsidence trend is very similar to Songliao Basin,and the difference is mainly tectonic evulution history after fault depression.
关键词(KeyWords):
三江盆地;地史;模拟参数;剥蚀作用
Sanjiang Basin;geohistory;simulation parameters;erosion
基金项目(Foundation): 国家油气专项项目(XQ-2004-07)
作者(Author):
孟庆龙,薛林福,滕菲,徐兴科,陈长伟
MENG Qing-long,XUE Lin-fu,TENG Fei,XU Xing-ke,CHEN Changwei (Earth Sciences School of Jilin University
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