MMG said Las Bambas production had fallen 60% to 32,042 tonnes of copper concentrate in the second quarter.

Police documents show gold illegally mined in Brazil has been sold sold to Amazon, Apple, Microsoft and Google-parent Alphabet.

The best result was an intercept of 295.5 metres at 234 g/t silver, 6.36% lead and 5.72% zinc.

Startup is one of several companies developing its own version of a direct lithium extraction (DLE) technology.

the world's top copper producer, halted construction projects after reporting the death of a worker at its Chuqui Subterranea project, which followed another fatal accident earlier this month. 

Six communities staged earlier this year the most significant protest in the history of Chinese-owned Las Bambas, forcing the mine to suspend operations for over a month.

Reborn Electric Motor's heavy-duty buses are already shuttling workers at Codelco's Teniente mine.