The approval has been needed since President Vladimir Putin April signed a bill requiring Russian companies to delist their depositary receipts abroad.
The US Court of Appeals for the Ninth Circuit has declined to overturn a 2019 decision that blocked Hudbay Minerals' Rosemont copper project in Arizona.
Many of Korea Zinc’s renewable projects are in mining-heavy Australia, where billionaire resources magnate Andrew Forrest is planning a factory for making hydrogen-producing electrolyzers.
There has been no communication with the miners since they were trapped more than 1,640 ft below ground during a flood at Trevali's Perkoa zinc mine on April 16.
The mining sector in the Andean nation faces uncertainty as the country drafts a new constitution, which could lead to tighter environmental regulation for key minerals.
Even as consumption growth for other commodities like grain probably will trail off in the next 30 years, metals will remain in high demand, the bank said.