Fractal analysis of the sulfide composition and structure of interspersed ores in picrite gabbro-dolerites of the Oktyabrsky deposit, Norilsk ore field

Abstract

The analysis of ore samples taken from wells drilled on the Eastern flank of the Oktyabrskoye deposit was carried out. In the vein-disseminated sulfide copper-nickel ores of the deposit, three types of mineralization are distinguished, which clearly differ from each other: interstitial-teardrop-like, interstitial, tear-shaped-interstitial. A sample of each type of ore was examined by 3D tomography and analyzed using fractal theory. Based on the results of the study, a conclusion was made about the relationship between the fractal dimensions of ore minerals and the dynamics of the formation of various types of ores. The pattern of changes in the intensity of mineralization from the thickness of the layers is established. The results obtained may be of great importance in relation to the technology of enrichment of new types of ores from the flanks of the deposit, and also be an additional criterion for identifying in disseminated ores zones with the highest intensity of ore mineralization during prospecting and exploration in the Norilsk ore region.