| NUMERICAL GEODYNAMIC MODELLING OF COUPLED MECHANO-THERMO-HYDROLOGICAL PROCESSES AND ITS APPLICATION IN PREDICTIVE EXPLORATION IN THE FENGHUANGSHAN ORE FIELD, TONGLING |
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| 作者姓名： | LIU Liangming PENG Shenglin ZHANG Yanhua |
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| 作者单位： | [1]Departinent of Geology, Central South University, Changsha, HN 410083, China [2]CSIRO Division of Exploration and Mining, PO Box 1130, Bentley, WA 6102, Australia |
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| 基金项目： | Acknowledgements： We acknowledge the Tongling Nonferrous Metal Corporation for the support in the field work. We would like to thank Professor 0RD A for his assistance with the modeling aspects, YANG Q, SHA0 y ZHANG X, XI Z and LI S for their assistance with the field work and data processing. |
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| 摘 要： | Mineralisation is the result of the coupled multi-geodynamic processes in the crust. The coupled mechano-thermo-hydrological （MTH） processes are the basic physical processes that govern the location of the hydrothermal mineralization, which can be simulated in the computer by using of the numerical codes, such as FLAC. The numerical modeling results can be used not only to explain the features of existing ore deposits, but also to predict the fhvorable mineralization locations. This paper has summarized the basic equations describing coupled MHT processes in the water-saturated porous rocks, the principles of FLAC, and its application to the MHT processes related to copper mineralization in the Fenghuangshan ore field. We used the FLAC to simulate the syn-deformation cooling and fluid flowing evolution after the intrusion was emplaced and solidified. The modeling results suggest a most prospective exploration area where the subsequent exploration supported the prediction and the test bore hole disclosed the high quality copper ore bodies in the target, demonstrating a positive role of the numerical MTH modeling in facilitating predictive ore discovery.
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| 关 键 词： | 水文耦合 地球动力学 数值模型 矿化作用 凤凰山 |
| 文章编号： | 1006-513X（2005）02-0164-10 |
| 收稿时间： | 2004-09-19 |
| 修稿时间： | 2005-09-20 |
NUMERICAL GEODYNAMIC MODELLING OF COUPLED MECHANO-THERMO-HYDROLOGICAL PROCESSES AND ITS APPLICATION IN PREDICTIVE EXPLORATION IN THE FENGHUANGSHAN ORE FIELD, TONGLING |
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| LIU Liangming PENG Shenglin ZHANG Yanhua.NUMERICAL GEODYNAMIC MODELLING OF COUPLED MECHANO-THERMO-HYDROLOGICAL PROCESSES AND ITS APPLICATION IN PREDICTIVE EXPLORATION IN THE FENGHUANGSHAN ORE FIELD, TONGLING[J].Geotectonicaet Metallogenia,2005,29(2):164-173. |
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| Authors: | LIU Liangming PENG Shenglin ZHANG Yanhua |
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| Abstract: | Mineralisation is the result of the coupled multi-geodynamic processes in the crust. The coupled mechano-thermo-hydrological (MTH) processes are the basic physical processes that govern the location of the hydrothermal mineralization, which can be simulated in the computer by using of the numerical codes, such as FLAC. The numerical modeling results can be used not only to explain the features of existing ore deposits, but also to predict the favorable mineralization locations. This paper has summarized the basic equations describing coupled MHT processes in the water-saturated porous rocks, the principles of FLAC, and its application to the MHT processes related to copper mineralization in the Fenghuangshan ore field. We used the FLAC to simulate the syn-deformation cooling and fluid flowing evolution after the intrusion was emplaced and solidified. The modeling results suggest a most prospective exploration area where the subsequent exploration supported the prediction and the test bore hole disclosed the high quality copper ore bodies in the target, demonstrating a positive role of the numerical MTH modeling in facilitating predictive ore discovery. |
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| Keywords: | mechano-thermo-hydrological coupling geodynamics numerical modeling mineral prediction Fenghuangshan |
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