| COMPLEXITY AND CHAOTIC DYNAMICS OF ROCK FAULTING |
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| 作者姓名： | TANKaixuan XIEYanshi CHENGuanghao HUANGXiaonai |
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| 作者单位： | [1]SchoolofArchitecture,ResourceandEnvironmentEngineering,NanhuaUniversity,Hengyang,HN421001,China [2]GuangzhouInstituteofGeochemistry,ChineseAcademyofSciences,Guangzhou,GD510640,China |
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| 基金项目： | 国家自然科学基金，Key Project of the Ninth Five-Year Plan of the Chinese Academy of Sciences |
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| 摘 要： | Fault is a complex dynamic system controlled by the coupling of rock texture, reaction, fluid flow, stress, and rock deformation mechanism. A coupled reaction-transport- mechanical dynamic model for fault system is established and described in this paper. An example is presented for the Shuikoushan deposit, Hunan. The results of dynamic simulation indicate that the evolution and magnitude of fracture permeability of different rocks are different, and that faulting can enhance the spatial heterogeneity of rock permeability and facilitate fluid flow and mineralization in local fault zone. The pressure for a fault usually shows a variation mode of aperiodic oscillation with time, which reflects the chaotic behavior of the evolution of a fault.
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| 关 键 词： | 岩石断层 动力学分析 反作用-力传递-机械力关联 非线形关联动力模型 非规则发展 断层特性 |
COMPLEXITY AND CHAOTIC DYNAMICS OF ROCK FAULTING |
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| TANKaixuan XIEYanshi CHENGuanghao HUANGXiaonai.COMPLEXITY AND CHAOTIC DYNAMICS OF ROCK FAULTING[J].Geotectonicaet Metallogenia,2003,27(1):104-111. |
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| Authors: | Tan Kaixuan Xie Yanshi CHEN Guanghao HUANG Xiaonai |
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| Abstract: | Fault is a complex dynamic system controlled by the coupling of rock texture, reaction, fluid flow,stress, and rock deformation mechanism. A coupled reaction-transport- mechanical dynamic model for fault system is established and described in this paper. An example is presented for the Shuikoushan deposit, Hunan. The results of dynamic simulation indicate that the evolution and magnitude of fracture permeability of different rocks are different, and that faulting can enhance the spatial heterogeneity of rock permeability and facilitate fluid flow and mineralization in local fault zone. The pressure for a fault usually shows a variation mode of aperiodic oscillation with time, which reflects the chaotic behavior of the evolution of a fault. |
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| Keywords: | reaction-transport-mechanical coupling complexity chaotic evolution rock faulting |
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