基于SD法估算东安金矿床5号矿体资源储量

Estimation of Mineral Resource Reserve Based on the SD Method for the No.5 Au Ore-body in the Dong’an Gold Deposit,Heilongjiang Province

资源储量估算是矿产地质勘查工作中的一项重要任务,是估算矿床经济价值和矿山设计的基本依据。SD资源储量估算和审定方法(SD法),诞生于20世纪80年代,它是一种以SD动态分维几何学为理论,以最佳结构地质变量为基础的资源储量估算方法,适于不同矿种及矿产勘查开采各个阶段,它应用SD精度法,成功量化矿产资源储量的地质可靠程度,并可预测工程控制程度和施工工程数。本文通过SD法在东安金矿床5号矿体资源储量估算中的运用,系统介绍了SD法原始资料和数据的准备、估算方案的确定、估算过程和结果,并从估算结果、矿体圈定、估算参数的确定、风暴品位识别与处理、地质可靠程度和工程控制程度的确定等方面与传统地质块段法进行了对比。实践证明,SD法立足于传统法,适合我国矿产资源勘查和估算实情,有一定的先进性和实用性,用SD法还可提高勘查报告的质量和科技含量,指导进一步的矿产勘查工作。

Estimation of resource reserve is an important task in mineral geological exploration as well as the fundamental basis to evaluate the economic significance of a deposit and design a mine. The SD estimation and examination methods for solid mineral resource reserve（ SD method）was born in the 1980s, which is based on dynamic fractal geometry and structural geologic variable theory. This method can be applied to different types of deposits and every stage from ore survey to exploration. The SD precision approach can quantify the geological assurance of mineral resource reserve, forecast engineering control extent and number of engineering implementation. This paper deals with the application of the SD method to estimation of mineral resource reserve of No. 5 Au ore-body in the Dong＇ an gold deposit of Helongjiang Provoince, including data preparation, data processing, and data output. By comparing the SD method and the traditional geological block method in results of reserve estimation, orebody determination, estimation parameters, storm grade processing, geological assurance, and degree of engineering controlling. It is proved that the SD method is based on the traditional method, suitable for geological exploration and estimation of mineral resources in China, and has advancement and practicality. The SD method can also improve the quality and technology level of exploration reports, and guide further mineral resource exploration.