地质统计学在西藏多龙矿集区铁格隆南铜(金)矿床资源量估算中的应用  

The application of geostatistics to ore reserve calculation of the Tiegelong Cu-Au deposit,Duolong ore concentration area,northern Tibet

作　　者：李丽[1] 江少卿[1] 王策[1] 

机构地区：[1]中国铝业公司,北京100082

出　　处：《世界有色金属》2017年第13期165-167,共3页World Nonferrous Metals

摘　　要：铁格隆南铜(金)矿床位于班公湖-怒江缝合带北侧岛弧带的多龙矿集区西北部,是近年来发现的超大型铜金矿床之一,是中铝矿产资源公司于2012~2015年在斑岩型铜矿找矿方面取得的一项重大突破。截止2015年,资源量达千万吨。文章以Micromine软件为操作平台,通过开展三维建模,运用地质统计学方法,通过地质数据库建立,数据分析、特高品位处理,变异函数结构分析,克立格品位插值,储量计算等步骤,对铁格隆南铜(金)矿体的储量进行了较为准确的计算,对资源进行动态评价,指导成矿预测,提高找矿效率。The Tiegelong Cu-Au deposit is located to the northwest of Duolong ore concentration area along northern segment of Bangong Co_Nujiang River suture zone.The deposit is one of substantial superlarge Cu-Au discoveries over the last a few years,and is also of great significance exploration breakthrough in relation to porphyry copper deposit accomplished by Chinalco Resources Corporation during year from 2012 to 2015.The total mineral resources had been greater than 10 million tonnes by 2015.Based on the Micromine software,this article has calculated the reserves of symbiotic and associated elements of the deposit accurately using the geostatistics methods,by establishing the geological database,data analysis and dealing with the extreme high grade of each element,the variogram analysis,grade interpolation to the geological blocks using the Kriging and calculating reserves.The dynamic evaluation with respect to the deposit has been undertaken to guide following metallogenic forecasts,as a result,the outcome of exploration program would be improved considerably.

关 键 词：铁格隆南铜(金)矿床 Micromine 软件三维模型地质统计学储量计算 

分 类 号：P618.51[天文地球—矿床学]