摘要
本文以松辽盆地晚侏罗—早白垩统地层为例 ,综合利用地震、钻井和岩心资料对陆相断陷湖盆的可容空间变化特征进行了研究。可容空间的产生方式主要取决于断陷盆地中边界断层的活动方式 :原地式断陷主要从垂向上来扩大盆地的可容空间 ,而后退式断陷主要从横向上来扩大盆地的可容空间。水下可容空间增量与同期供给的沉积物体积之间的对比关系控制层序的演化和体系域的形成。
Using upper Jurassic—lower Cretaceous of Songliao basin as research target, the characteristics of the accommodation space changes of the fault depression lake basin were studied by means of comprehensive explanation of seismic sections, drilling and core data. The formation styles of accommodation space were mainly controlled by the tectonic movement styles of boundary faults in the fault depression lake basin. In the fault depression in situ accommodation space was increased mainly in vertical direction, and in the receding fault depression it was produced mainly in lateral direction. The correlative relationship between increment of subaquatic accommodation space and synchronous sedimentary volume controlled the evolution of sequence and the formation of system tracts.
出处
《矿物岩石》
CAS
CSCD
北大核心
2001年第2期34-37,共4页
Mineralogy and Petrology
基金
国家重点基础研究发展规划项目 (19990 43 3 0 4)
中国石油天然气集团公司九五科技攻关项目 (970 2 0 1-0 2 -0 7)
