| 西藏雄村铜金矿床的数字矿床模型构建及意义 |
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| 引用本文：张婷婷,黄勇,唐晓倩,刘飞.2012.西藏雄村铜金矿床的数字矿床模型构建及意义[J].地球学报,33(4):654-662. |
| DOI：10.3975/cagsb.2012.04.25 |
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| 基金项目:国家自然科学基金项目(编号: 41172077)；国家973项目(编号: 2011CB403103)；青藏专项(编号: 1212011085529) |
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| 中文摘要:西藏谢通门县雄村铜金矿是在冈底斯成矿带中发现较早, 勘探工作也开展较早的大型铜金矿床, 是冈底斯成矿带上具有代表性的岛弧型斑岩铜金矿床, 对该矿床的深入研究, 为在相似地质条件下寻找“雄村式”矿床具有重要的指导意义。本文在总结雄村铜金矿床成矿地质条件和控矿因素的基础上, 以该矿床的地质描述模型为依据, 以矿区勘探资料为数据基础, 将三维地质建模和可视化这一高新技术应用于该矿床, 建立了雄村铜金矿的数字矿床模型, 充分展示了立体模型对地质体空间特征的有效表达, 实现了该矿床的数字化、可视化和动态化管理。同时, 将数字矿床模型与矿区的大比例尺高精度磁测数据结合, 开展多源信息三维综合分析, 为矿区深部和外围三维定位定量预测提供有力的技术支持。 |
| 中文关键词:地质描述模型 数字矿床模型 大比例尺成矿预测 |
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| The Digital Mineral Deposit Model and Its Significance for Xiongcun Cu-Au Deposit, Tibet |
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| Abstract:The Xiongcun porphyry copper-gold deposit was found and explored earlier in the Gandise metallogenic belt, accumulating a wealth of data. It is a kind of typical island arc type porphyry copper-gold deposit in this belt. A thorough study of this deposit is of great significance for tracing the “Xiongcun type” deposits in similar geological settings. This paper summarized the ore-forming geological conditions and the ore-controlling factors of Xiongcun porphyry copper-gold deposit and used 3D geological modeling and visualization technology to build its digital deposit model based on the geological exploration data to show the deposit in three-dimensional space and to manage the deposit visually and dynamically. At the same time, the combination of the digital deposit model withthe large-scale aeromagnetic data could provide strong technical support for the deep and peripheral quantitative prediction of the mining area in three-dimensional space. |
| keywords:geological descriptive model digital mineral deposit model large-scale metallogenic prognosis |
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