地质统计学在细脉型矿体模拟中的应用:以新疆梅岭-红石铜矿为例  

Narrow Vein Ore Body Modeling by Geostatistics:An Example from Meiling-Hongshi Copper Mine in Xinjiang

作　　者：张会琼[1] 刘金辉[1] 王京彬[1] 赵路通[1] 孙紫坚 韩英[1] 熊靓辉[1] Zhang Huiqiong;Liu Jinhui;Wang Jingbin;Zhao Lutong;Sun Zijian;Han Ying;Xiong Lianghui(Beijing Institute o.f Geology for Mineral Resources,Beijing 100012,China)

机构地区：[1]北京矿产地质研究院,北京100012

出　　处：《地球科学》2018年第9期2980-2986,共7页Earth Science

基　　金：国土资源部行业科研基金项目(No.201411026)

摘　　要：细脉状矿体由于矿脉厚度小且沿走向和倾向品位变化较大,致使其在资源模拟中很难实现三维建模.通过构建高斯变换的二维变异函数转载到单层三维块体模型,首次完成了对新疆梅岭-红石铜矿区细脉状矿体的三维建模.这一成果弥补了二维模型在空间形态、品位变化特征上的不足,避免了采用传统极小的子块模型匹配实体模型所产生的高平滑效应.单层三维块体模型能够更加有助于实际采矿生产中块段划分,具有创新性,并为矿产资源评价和开发设计提供基础,对同类矿体的三维建模具有重要的指导意义.3 Dresource modeling of the narrow vein ore body is challenging due to its small thickness and large grade variations along the vein.This paper completed the three-dimensional modeling for narrow vein ore body of Meiling-Hongshi copper mine in Xinjiang,by building two-dimensional variation function Gaussian transformation into a single 3 Dblock model.This study makes up for the lack of spatial morphology and grade change characteristics in the two-dimensional model.In addition,it avoids the high-smoothing effect of single-layer three-dimensional block model.The innovative monolayer 3 Dblock modeling is not only more helpful to the partition of blocks in actual mining production,but also provides a basis for mineral resources evaluation and development design,which can facilitates future three-dimensional modeling of similar orebodies.

关 键 词：细脉型矿床 地质统计学 变异函数 高斯变换 矿床学 

分 类 号：P624[天文地球—地质矿产勘探]