Further noting that there are no large deposits of nickel sulphides to be developed, it emphasized that oxide ores (laterites and polymetallic nodules) are the future source of nickel to meet world demand.
工作组进一步注意到，并没有任何大型硫化镍矿可供开发；因而强调指出，今后要从氧化物矿（红土和多金属结核）中提炼镍，以满足世界需求。