PRELIMINARY APPROACH TO GEOPHYSICS OF BASINS
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摘要: 应用地球物理信息并结合地质资料进行盆地实体的构造发育史、沉降堆积史及其所受的各种动力作用等方面的研究是盆地地球物理工作的主要内容。该项工作是以勘探地球物理为主要手段获得的岩石圈内部地球物理数据,通过人-机交互联合解释(数学正反演计算),探讨岩石圈深部的构造物理特征、热状态分布状况、动力学条件等深部地质因素与盆地的形成、发展、消亡(或被改造)之间的关系。提出盆地成因的构造地球物理模型,为进行盆地的各种地质模型定量动态模拟,求得油气远景评价提供地球物理背景。Abstract: The studies on tectonic history,subsidence and accumulation evolution of basins as well as the dynamic forces on basins with the application of geophysical data and information combined with geological information are the main subjects of the geophysic analysis of basins.Through various techniques of geophysical investigations,the lithospheric geophysical information and data could be obtained and the tectonic-geophysical models for basin origins could be proposed on the basis of man-machine combined interpretation(mathematical forward and inverse computation).Consequently,the geophysical background can be provided for the dynamic simulations quantitatively on various geological models of basins and the appraisal of oil/gas prospects in basins.
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