黄沙坪多金属矿床综合信息三维找矿模型的构建

通过使用"探矿者"软件,建立了湖南黄沙坪多金属矿床局部综合信息三维找矿模型。在收集和整理研究区的地质图、地形图、地质剖面图、钻孔柱状图的基础上提取钻孔数据,建立地质空间数据库。通过分析矿床控矿条件,构建主要控矿地质体的三维数字模型,实现局部综合信息找矿模型的三维数字化。从矿体模型中,可以直观地观察矿区内矿体的产状和空间分布特征。地层模型和石英斑岩-矽卡岩岩体模型比较准确地展示了主要赋矿地层和石英斑岩-矽卡岩岩体对铅、锌和钼矿体的控制作用,从而证实了该软件具有较全面的功能及建模方法的有效性,为矿床进一步的勘查预测工作提供了依据。

On 3D ore prospecting modeling of comprehensive information for Huangshaping polymetallic deposit

Through the use of Minexplorer, the authors established a 3D comprehensive information prospecting model for Huangshaping polymetallic deposit in Hunan. On the bases of collecting and sorting the geological maps, topographic maps, geological sections and profiles, drilling histograms, the drilling data (the sample information sheet, borehole configuration table, drilling holes position table) was extracted and the geological spatial database was established. By defining the section, the single project engineering ore body was circled. Through the analysis of the ore-controlling conditions of ore deposit, the main mines plasmids of 3D digital model was constructed to realize the local comprehensive information prospecting model of digital 3D. The mining of the ore body occurrence and distribution characteristics of the space can be intuitively observed from the ore body model. The control function of the main ore formation and quartz porphyry skarn rock mass to the Pb-Zn and Mo ore body were accurately shown from the formation model and quartz porphyry, skarn rock mass model. So as the comprehensive function of the software and the validity of the modeling method were confirmed, providing the basis for further exploration prediction of the ore deposits.