The polymetallic nodule fields in the CCZ of the Pacific represent the largest known, undeveloped nickel resource on the planet, the company said.

Wood Mackenzie says commodities will increasingly be marketed on their green credentials.

Mexico's largest gold producer said a land slip in the Noche Buena project last year resulted in limited access to mining in deeper areas.

Indicated contained gold and silver ounces have increased by 24% and 21% respectively at the California project.

Company has completed the second phase of metallurgical testing and pilot plant trials for its Marathon palladium-copper project in northwestern Ontario.

Arcelor operates an iron ore mine at Yekepa in northern Liberia.

Cobalt solvent extraction expected to start at the beginning of February.