CHARACTERIZATION AND BENEFICIATION OF IRANIAN LOW
OF IRANIAN LOW GRADE MANGANESE ORE Akbar MEHDILO, Mehdi IRANNAJAD, Mohammad Reza HOJJATI RAD * Department of Mining and Metallurgical Eng., Amirkabir University of Technology, Tehran, Iran *[email protected] Abstract: The mineralogical studies indicated that the Charagah ore deposit contains approximately 17 pyrolusite, 78 calcite and 34 quartz. Pyrolusite as a main




































