TWIN METALS MINNESOTA LLC is a Minnesota mining company focused on developing and operating an underground copper, nickel, platinum, palladium, gold and silver mining project in the Iron Range region of northeast Minnesota. The Twin Metals Minnesota Project (TMM Project) brings the promise of significant long-term jobs and environmentally responsible economic development for generations in Minnesota.
Currently, Twin Metals Minnesota is in the Mine Plan of Operation (MPO) phase of project development. The TMM Project Prefeasibility Study (PFS) was completed in June 2014, with PFS highlights released in August 2014, and a PFS Technical Report released in October 2014.
Twin Metals Minnesota is owned by Antofagasta plc of Santiago, Chile, one of the top ten copper producers in the world. Twin Metals Minnesota maintains offices in Ely and St. Paul, Minnesota.