APPLICATION OF SIMULAION EXPERIMENT TO THE STUDY OF STRUCTURAL EVOLUTION—AN EXAMPLE OF THE ZHUANGXI BURIED HILL
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摘要: 构造模拟实验是构造研究的一个重要方面,曾取得一系列理论上和实践上的重要成果,但对于褶皱的模拟实验仍然没有取得很好的效果。因此,采用何种方法和手段来实现对褶皱的模拟是目前需要亟待解决的一个问题。桩西潜山是济阳坳陷内典型的褶皱型潜山,本次研究在充分认识桩西潜山形成的边界条件的基础上,充分考虑了各个时代地层岩性特征,对实验材料进行了严格、精确的配方,以相似理论为指导,首次采用物理模拟实验的方法,模拟了济阳坳陷内构造最为复杂的褶皱型潜山-桩西潜山的形成过程。通过4个阶段的模拟实验,得出的实验结论与理论分析取得了较好的拟合结果,成功解决了复杂潜山演化过程中理论研究的多解性问题,为褶皱的物理模拟提供了一个良好的实例。Abstract: Structure simulation experiment is one of important parts in the study of structures.It has gained many important results in the past decades,but many questions are remained for the research of fold.So it is important to find some means to realize fold simulation.Zhuangxi buried hill is a typical fold in Jiyang depression.On basis of clear understanding of the formation boundary condition and lithological sequences of Zhuangxi buried hill,the experiment materials are elaborately selected.According to similarity criteria,formation of Zhuangxi buried hill was simulated in a designed physical model.After four phases experiments,the result is coincided with the theory analysis and some propositions for structural evolution of complicated buried hill are proved.It provided a good example for fold physical simulation.
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Key words:
- buried hill /
- structural evolution /
- simulation experiment
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