The UN's International Seabed Authority (ISA) is working on global rules covering sea bed mining, which is not allowed until the regulations are finalised.
Newcrest Mining on Thursday posted a 21.2% fall in first-quarter gold production as output declined at its flagship Cadia mine and the Lihir operations in Papua New Guinea due to maintenance activity
Copper prices are due to extend their decline next year from record levels touched in 2021 as mine supply ramps up and economic growth tapers in top market China.