Mining of metal ores

Mining of metal ores
This division includes mining for metallic minerals (ores), performed through underground or open-cast extraction, seabed mining etc.
This division also includes:
- ore dressing and beneficiating operations, such as crushing, grinding, washing, drying, sintering, calcining or leaching ore, gravity separation or flotation operations
This division excludes:
- roasting of iron pyrites, see 20.13
- production of aluminium oxide, see 24.42
- operation of blast furnaces, see division 24