Classification of Ores to Obtain Mineral and MetalMar 19, 2012 . We have eight types of ores found in the earth's crust. These ores are only sourced to obtain the mineral and metal for our needs. A set of.classification for ores,1233.0 - Australian Harmonized Export Commodity Classification .Nov 16, 2006 . 2602, Manganese ores and concentrates, including ferruginous manganese ores and concentrates with a manganese content of 20% or more,.
classification for ores