INVESTIGATION AND COMPARISON OF THE SOFTENING ... Srce
as the softening temperature of the ore Opredelenie technological and production performance. «Bogach» Deposit is located in the Karaganda re gion. Ore minerals of primary ores are considered to be brownite , hematite, less often ankerite, friedel ite, jacobsite; non metallic calcite, quartz, chlorite, gypsum.
