Home Markets Could a union halt production at the world’s biggest copper mine? Could a union halt production at the world’s biggest copper mine? Andrew M Aug 14, 2024 comments off Tweet on Twitter Share on Facebook Google+ Pinterest Original source: https://www.investing.com/news/stock-market-news/could-a-union-halt-production-at-the-worlds-biggest-copper-mine-3570474 Market Updates Morenci mine Open-pit mines www.investing.com/news/stock-market-news/could-a-union-halt-production-at-the-worlds-biggest-copper-mine-3570474