摘要
作为两类典型的沉积盆地,伸展盆地和前陆盆地的沉降定量分析模型及模拟技术,近年来不但取得了长足的进展,而且已被广泛应用,本文着重介绍了如下几方面问题:(1)回剥法求取盆地沉降;(2)双层剪切模型求取伸展盆地沉降;(3)弹性板挠曲模型求取前陆盆地沉降;(4)通过实例分析,探讨了应用正演理论模型与反演回剥法结合技术,进行盆地沉降模拟的基本方法,通过对这些问题的研究,可以揭示这两类典型沉积盆地的成因和沉降机制,进而为盆地地球动力学分析提供一种重要的研究方法。
Quantative analysis model of subsidence and simulation technique for extensional basins and foreland basins, not only have been rapidly developed and widely applied. This paper focuses on the following aspects; (1)calculation of basin subsidence by using backstripping method; (2)calcula-tion of extensional basin subsidence by using simple-shear/pure-shear flexural cantilever model; (3) calculation of foreland basin subsidence by using the flexural model of lithospheric elastic plate;(4)combining theoretical model with backstripping method,to discuss the basic methods for simulating basin subsidence based on case analysis. With the study of above aspects,once can expect to solve the problem of the origin and subsidence mechanism of these two kinds of typical sedimentary basins thus to provide an important research method for geodynamics analysis.
出处
《中国海上油气(地质)》
1997年第1期38-45,共8页
China Offshore Oil and Gas(Geology)