ISSN 2334-8836 (Štampano izdanje) UDC 622 ISSN 2406-1395 (Online) Mining and Metallurgy Engineering Bor 1-2/2017 Published by: Mining and Metallurgy Institute Bor MINING AND METALLURGY INSTITUTE BOR MINING AND METALLURGY ENGINEERING Editorial Board BOR is a journal based on the rich tradition of Prof.Ph.D. Tajduš Antoni expert and scientific work from the field of mining, The Stanislaw University of Mining and underground and open-pit mining, mineral proce- Metallurgy, Krakow, Poland ssing, geology, mineralogy, petrology, geomecha- nics, metallurgy, materials, technology, as well as Prof.Ph.D. Mevludin Avdić related fields of science. Since 2001, published MGCF-University of Tuzla, B&H twice a year, and since 2011 four times a year. Prof.Ph.D. Vladimir Bodarenko National Mining University, Department of Editor-in-chief Deposit Mining, Ukraine Academic Ph.D. Milenko Ljubojev, Principal Ph.D. Mile Bugarin, Principal Research Fellow Reasearch Fellow Mining and Metallurgy Mining and Metallurgy Institute Bor Institute Bor Prof.Ph.D. Ruža Čeliković Full member of ESC MGCF-University of Tuzla, B&H E-mail:
[email protected] Ph.D. Miroslav R.Ignjatović, Senior Research Associate Phone: +38130/454-109, 435-164 Chamber of Commerce and Industry Serbia Editor Prof.Ph.D. Vencislav Ivanov Mining Faculty, University of Mining and Geology Vesna Marjanović, B.Eng. "St. Ivan Rilski" Sofia Bulgaria English Translation Academic Prof.Ph.D. Jerzy Kicki Nevenka Vukašinović, prof. Gospodarkl Surowcami Mineralnymi i Energia, Krakow, Poland Technical Editor Ph. D., PEng. Dragan Komljenović Suzana Cvetković Hydro-Quebec Research Institute Canada Preprinting Ph. D. Ana Kostov, Principal Research Fellow Vesna Simić Mining and Metallurgy Institute Bor Printed in: Grafomedtrade Bor Prof.