基于地统计学与GIS的固体矿产资源储量估算方法研究

Research on solid mineral resources reserves estimation under the support of geo-statistics and GIS

以云南省元江镍矿矿区为研究区。通过对矿区工程钻孔数据的初步分析与处理,利用地统计学方法对矿体的品位与厚度进行检验分析,寻求矿体的空间分布规律,选择出恰当的数据变换方式和空间插值模型。结合GIS空间数据的管理与分析功能,估算出研究区域工业矿矿产资源储量的矿石量和金属量,最后通过分析交叉检验验证评估数据的误差,并将研究结果与矿区固体矿产资源储量核实结果进行对比验证。结果显示,利用地统计学与GIS技术相结合的方法对固体矿产资源储量进行估算,其结果与固体矿产资源储量核实结果变幅不超过5%。因此,本次研究方法为矿山生产管理部门及国土资源管理部门的相关工作提供技术支撑。

Taking Yuanjiang nickel ore area of Yunnan province as the research area. Based upon the preliminary analysis and processing to the engineering drilling data of mining area, and the use of Geo- statistical method to test and analyze the grade of ore bodies and thickness, seeking after the regularity of space distribution. Combining with the spatial data management and analysis function of GIS, industrial mineral ore amount of mineral resources and the metal quantity of the study area is estimated, finally, the research results are analyzed and verified by comparing the results with mining area reserves verification, which shows that the solid mineral resources reserves are estimated by using the method combining Geostatistics and GIS, the results consistent with solid mineral resources reserves verification results, the variation no more than 5%. Therefore,the research on the method could provide the technologic support for the Department of Mine Production,the Department of Land and Resources.