Linked from
The 21 pages that link to Mineral processing, each with the reason it gives.
Iron oreNarrower topic: Processing separates iron minerals from gangue before smelting.
MiningRelated: It turns extracted ore into a concentrate or other feedstock for refining.
Ore depositRelated: Processing determines how much of a deposit's valuable content can be recovered.
ComminutionRelated: Ore is comminuted to expose mineral grains before physical separation.
GangueNarrower topic: Gangue is removed during the stages that concentrate ore minerals.
ScheeliteNarrower topic: Scheelite ore must be liberated and concentrated before tungsten recovery.