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
XUE Ming-xuan1,2,SUN Feng-yue1,LI Bi-le1 ,WEI Lian-xi1,3, CHENG Hai-ming2,JIANG Bao-long4,TIAN Shi-liang4 (1. College of earth sciences,Jinlin university,Changchun,Jinlin 130061;2. NO.707 geology exploration team for nonferrous metal,Heilongjiang Province,Suihua,Heilongjiang 152054;3. Geologica exploration and research institute for nonferrous metall,Heilongjiang Province,Haerbin,Heilongjiang 150046;4. Geologica exploration burearu for nonferrous metall,Heilongjiang Province,Haerbin,Heilongjiang 150090)
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 .