Multi-Scale 3D Modeling and Visualization of Super Large Manganese Ore Gathering Area in Guizhou China
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摘要: 黔湘渝毗邻区"大塘坡式"锰矿床具有世界上独特的成矿环境和机制，借助三维地质建模及可视化方式，可以直观而形象地进行研判.在系统分析和处理贵州松桃县超大型锰矿田及区域相关资料的基础上，利用QuantyMine三维矿业软件，分别构建了黔渝湘毗邻区的南华纪早期武陵次级裂谷盆地原型、古天然气渗漏沉积型锰矿田、松桃县大塘坡典型锰矿床等3个不同尺度的三维地质模型，科学地表达了该超大型锰矿独特成矿环境，揭示了成矿机理和赋存状况，为该类型的矿床研究和成矿预测提供了新的手段.Abstract: The "Datangpo type" manganese deposit which is adjacent to Guizhou, Hunan and Chongqing has unique metallogenic environment and mechanism in the world. It can be directly and vividly researched by means of three-dimensional geological modeling and visualization. Based on the systematic analysis and processing of superlarge manganese ore field from Songtao County in Guizhou, with regional relevant materials, QuantyMine 3D mining software was utilized. Accordingly, three 3D geological models of different scales such as the Wuling secondary rift basin prototype during early Nanhua which is adjacent to Guizhou, Hunan and Chongqing, the manganese ore field due to ancient natural gas leakage and sedimentary and the typical manganese deposit in Datangpo of Songtao County were constructed respectively. Moreover, the unique metallogenic environment of superlarge manganese deposit was scientifically expressed, the ore-forming mechanism and the occurrence status were revealed apparently. As a consequence, novel approaches for this type of metallogenic research and ore-forming prediction were proposed.
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图 1 黔渝湘毗邻地区南华纪早期南华裂谷武陵次级裂谷的构造古地理图
Fig. 1. Structural and tectonic paleogeographic sketch of the Early Nanhua Period Wuling secondary rift basin in the Guizhou-Hunan-Chongqing border area, South China
图 2 黔渝湘毗邻地区南华古裂谷武陵次级裂谷横向(NW向)地质平衡剖面图示意
Fig. 2. Geological balanced section of the Early Nanhua Period Wuling secondary rift basin in the Guizhou-Hunan-Chongqing border area, South China
图 3 黔渝湘毗邻区南华纪早期武陵次级裂谷原型结构的三维地质模型
Fig. 3. 3D geological model of the Early Nanhua Period Wuling secondary rift basin in the Guizhou-Hunan-Chongqing border area, South China
图 4 航磁上显示的北西向与北东向深部构造情况
Fig. 4. NW and NE deep structures revealed by aeromagnetic survey
图 5 黔东北锰矿集区高地-道坨矿田平面图
Fig. 5. Geological map of the Gaodi-Taotuo ore field in the eastern Guizhou manganese mine area
图 7 高地-道坨锰矿田矿床(上)及南华系围岩(下)的三维地质模型
Fig. 7. 3D geological model of Gaodi-Taotuo ore field (Up) and it's wall rock (Down)
图 8 矿区平面布置图以及建模范围（红色线框圈定范围，据贵州省103地质队资料）
Fig. 8. Layout plan of the deposit and modeling area
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