D. Maral, A. Gedikoglu, M. Maral, M. Kumral, M. Budakoglu. INVESTIGATION OF PRECIOUS TRACE METALS RELATED TO SULPHURE MINERALIZATIONS: KALKIM REGION IN YENICE - BIGA PENINSULA, TURKEY. 9th International Multidisciplinary Scientific GeoConference SGEM2009, 2009, pp. 59-64.