The miner said it remains cautious about the state of the global market for both rough and polished diamonds, noting that financing challenges persist.
Project will extend the life of its Spence copper mine in Chile by over 50 years, at a time when copper prices have reach their highest levels since late 2014.
Lithium needed for rechargeable batteries used in high tech devices and electric cars might soon be extracted from calderas surrounding dormant supervolcanoes.
Value added brought by the mining sector grew by more than 21% in the first three months of the year — the largest increase since the fourth quarter of 2014.
Claims that Cornwall is sitting on a multibillion-dollar lithium bonanza will soon be tested as newcomer Cornish Lithium has now enough money to start exploring the region.