DeepGreen hits backs at firms opposing seafloor mining

"It is not just China."

The London-listed company said in February it had received environmental approval for the three-stage infrastructure upgrade.

The US miner will eventually have to invest a minimum of $3 million in Miranda Gold's Lyra project to be granted a 51% stake on it.

In Chile, threats of a government crackdown on over-usage of water often ring hollow. Mines need water, and the country´s copper-driven economy needs mines.

Canada's largest diversified miner said that before beginning the copper mine upgrade, it would have to secure a development partner able to invest $2billion for up to 30% to 40% stake in the project.

PDVSA filed an appeal requesting that a Delaware court vacate a decision granting the Canadian miner the right to seize its U.S. assets.

The company received environmental approval for the plan earlier this month, which aims to extend the life of the aging deposit and boost production.

Contracts to export over 140,000 tonnes of alumina from China were signed in July amid a favourable price arbitrage.

The provincial authority issued a statement after learning that the reopening of the mine will create 3,600 jobs.