Method for determining grade areas of resource reserve estimation

The invention discloses a method for determining grade areas of resource reserve estimation. The method includes the steps: 1, managing data; 2, establishing a fractal model; 3, calculating threshold values of the grade areas. The fractal method organically combines geologic features with statistical features of grades, can not only effectively distinguish between the grade areas and outliers (an extra-high value and an extra-low value) of the resource reserve estimation but also subdivide mineralized areas into low grade areas, middle grade areas and high grade areas, corresponds to the features of multiple phases, multiple stages or combinations of multiple mineralization types of mineralization, and provides a geological interpretation of grade distribution. The method is high in maneuverability and repeatability, relatively fewer in human factor and easy to generalize. 本发明公开了种确定资源储量估算的品位域的方法，包括：(1)数据整理；(2)构建分形模型；(3)计算品位域阈值。本发明的分形方法将地质特征与品位统计特征有机结合，既可以有效区分了资源储量估算的品位域和特异值(特高值和特低值)，又可以对矿化域进行细分出低品位域、中品位域和高品位域