Abstract:

 Baishiquan Cu-Ni sulfide deposits located in the eastern Tianshan of Xinjiang have attracted the attention of many tectonists, petrologists and ore deposit experts for a long time. However, the mathematical study of the geology of this area is still lacking. On the basis of geological field survey, we have made systematic sampling and geochemical analyses of the rocks, and  systematically studied the relationship between the Cu-Ni variable and the rockforming element variables by the method of multi-variate linear regression combined with stepwise regression analysis, using SPSS statistical software. We established the variable regression equation of Cu-Ni variable and other variables, tested and explained the causes of the formation of the Cu-Ni sulfide deposit of Baishiquan and the magma source and so on. It is of significance for guiding the ore exploration and the application of mathematical methods to geology.

Key words:

 Baishiquan; CuNi sulfide deposits; multivariate linear regression; stepwise regression analysis; SPSS