The Chilean miner is ready to start with the construction of a $4.4 billion second concentrator at its Centinela copper mine.

US-based researchers found that the use of femtosecond lasers to form glass-to-glass welds for solar modules would make the panels easier to recycle.

The estimation, by financial research firm CreditSights, is only $4 billion lower than BHP’s offer for the whole company.

Licence has not been revoked, which leaves a chance for the Llurimagua project to become Ecuador’s next big copper mine.

The economic assessment of Cornish' flagship South Crofty project outlines a promising financial profile, backing the asset's potential.