Even in optimal scenarios, the activity would generate only $6.25 million in tax revenue for countries involved, says Planet Tracker.
Indicated resources increased to 11.3 million tonnes from 6.9 Mt.
The bank has cut its short-term outlook for copper prices by 11% to $8,500 a ton over the next three months.
The cautious outlook comes as global exploration budgets for nonferrous metals declined by 3% in 2024 to $12.5 billion from $12.9 billion last year, with juniors bearing the brunt of the cuts.
