manganese beneficiation in india - cidal.es. Nov 01, 2011 0183 32 Low grade siliceous manganese ores from the iron ore group of the Bonai-Keonjhar belt, Orissa, India are found mostly in shear zon The ore characteristics of siliceous manganese ore samples from three different mines, viz the Shankar Barbil OMC lease hold area, the Sone-Patuli Patmunda, …