摘要
江浪穹隆位于扬子地块西缘,以发育“里伍式”富铜矿而著称。黑牛洞铜矿位于江浪穹隆南西翼,为一中型铜锌矿床。文章介绍了黑牛洞铜矿的地质特征和矿体分布特征,基于矿区补充勘查和生产探矿的钻孔数据建立了地质数据库,利用中段平面建立了两个主矿体的矿体模型。在建立块体模型后,采用距离幂次反比法进行品位赋值。分别应用地质块段法和块体模型进行了矿体的资源储量估算,并将两者结果进行比较分析。利用块体模型显示铜矿化的空间分布,为下一步的找矿工作提供了线索。
The Jianglang dome is located on the western margin of the Yangtze Block,and is well known for the occurrence of the“Liwu-type”Cu deposits.The Heiniudong Cu deposits as a medium-sized Cu-Zn deposit is situated in the southwestern wing of the Jianglang dome.This article deals with its geological features and orebody distribution.A geological database is constructed by means of the borehole data acquired in the supplementary and production exploration.Models of two major orebodies are established on the basis of geological data on different levels.Grade of ore blocks is calculated by IDW method.The reserve is calculated by block method and block model,respectively.The block model illustrates the spatial distribution of Cu mineralization which provides clues for further exploration.
作者
严利伟
唐高林
余祥龙
杨光源
梁鲸
YAN Li-wei;TANG Gao-lin;YU Xiang-long;YANG Guang-yuan;LIANG Jing(Sichuan Liwu Copper Mining Co.,Ltd.,Chengdu 610091;Sichuan Jinboli Geological Exploration Co.,Ltd.,Chengdu 610091)
出处
《四川地质学报》
2021年第2期338-342,共5页
Acta Geologica Sichuan
