May 11 2021. US officials will review a decision to renew 13 mining permits including Antofagasta& 39;s Twin Metals copper-nickel project.
Dec 18 2019. Chile& 39;s Antofagasta said on Wednesday that it had kicked off the environmental permitting process for its $1.7 billion Twin Metals copper.
Aug 21 2019. Chilean copper miner Antofagasta has said it is confident of winning approval to develop a $1bn underground copper mine in a remote area of.
Jun 25 2019. Executives with the mining company Antofagasta discussed the project with. Andrónico Luksic& 39;s plan for a copper mine in Minnesota was.
Nov 23 2019. The proposed Twin Metals copper-nickel mine near Ely. David Meyer& 39;s parents took him to northeastern Minnesota& 39;s canoe country in the.
May 10 2021. The permits could have allowed Antofagasta& 39;s Twin Metals Minnesota to significantly expand its proposed sulfide-ore copper mine at the edge.