BURGAGYLKANSKOYE Au-Ag ORE OCCURRENCE FORECAST ESTIMATE USING BLOCK MODELING METHOD
A brief geological characterization for Burgagylkanskoye epithermal Au-Ag ore occurrence is given, its block modeling («Micromine» software) results are also presented. Method and work sequence to construct 3D ore occurrence model, and orebody block models, are described. Based on the data available, the deposit resources are estimated, statistical indicators of sample selection, and gold and silver analysis results in relation to geological formations are analyzed. Positive data on vein mineralization was obtained, its resources were estimated in absolute and relative terms. The deposit resources were increased nearly twofold. Positive aggregate economic assessment was made for the ore occurrence open-pit mining and heap leaching using pit optimization through «Micromine » software. Problems revealed in geological prospecting are shown, and information on the deposit’s current status is given. Further study directions are briefly stated including prospects for prospecting resumption.