deep thickener with low cost for tin ore mining
Industry trend analysis Metals and mining megatrends to 2050 Apr 11 2018 Smart mining to be the new standard for lowcost operations It is followed by deep sea mining for which the first expedition is to start in 2019 off the coast of Papua New Guinea by Canadian miner Nautilus Minerals supply constraints such as falling ore grades are more apparent for copper than iron ore or coal