U ovom radu su obrađeni rezultati izučavanja geohemijske raspodele bakra, cinka i olova u vulkanitima leckog masiva. Primenjena je originalna metoda statističkih ispitivanja geohemijske raspodele elemenata u stenama, koju autor razvija preko dve decenije. Ovi rezultati su postignuti u Naužnoistraživačkom projektu 07M04, koji finansira Ministarstvo za nauku i tehnologiju Vlade Republike Srbije.%In this paper the elaborated results of study of geochemical distribution of copper, zinc and lead in volcanics of the Lece massif have been presented. In the study the author's original method, based on principle of "Dual Nature of Geological Random Variable" has been applied, defining not only distribution of real chemical elements, but also the fictitious element of sum of real chemical elements. Distribution of geological populations of real and fictitious elements are in all cases left-asymmetrical, and all mean contents are always lesser than corresponding clarke values for intermediate magmatic rocks. The mean contents of ore elements in these andesites are: 24.17 ppm Cu, 47.90 ppm Zn and 15.21 ppm Pb. The zinc geologic population dominates over copper and lead (having the least participation in the mass of fictitious elements) populations. Participation of zinc is 54.88%, of copper 27.70% and lead 17.47% in the mass of fictitious element of their sum (Cu+Zn+Pb). Participation of zinc is 75.90% and lead 24.10% in the mass of fictitious element of their sum (Zn+Pb). Participation of zinc is 66.46% and of copper is 33.54% in the mass of fictitious element of their sum (Cu+Zn). Depletion of Lece andesites in ore elements (Cu, Pb, Zn) is estonishing, with regard to presence of the Lece lead, zinc and gold deposit in these rocks. We suppose that leaching of ore elements from these rocks took place during their hydrothermal alteration.
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