Talks were held amid tense diplomatic relations between the two countries.

Company is aiming to replace exclusively copper concentrate deals with others that include concentrate and value-added intermediate products such as blister and anode.

Trafigura Group is struggling with its metal business following a string of missteps.

According to Fitch Ratings, the financial profiles of miners will remain resilient in the short to medium term as commodity prices remain above mid-cycle levels.

In April, Lundin agreed to pay $950 million for 51% of the Caserones mine in Chile.

The STOXX Europe 600 mining index has fallen 15% this year, making it the worst performing sector in the region by some margin.

The CPI alleges the company did not declare how much gold and silver was extracted from the Salobo mine.