| Location | |
|---|---|
  Caserones  Caserones | |
| Atacama Region | |
| Country | Chile |
| Coordinates | 28°10′8.56″S69°32′1.06″W / 28.1690444°S 69.5336278°W |
| Production | |
| Products | Copper |
| Production | 120,600 tons of copper fines 18,900 tons of copper cathodes 4,600 tons of molybdenum in concentrates |
| Financial year | 2023 |
| History | |
| Opened | 2014 |
| Owner | |
| Company | SCM Minera Lumina Copper Chile
|
Caserones is a low-grade copper and molybdenum mine in Tierra Amarilla in Atacama Region, Chile. The mine is operated by SCM Minera Lumina Copper Chile, a joint venture where Lundin Mining have 70% of the shares and JX Nippon Mining & Metals owns the remaining. The mine lies about 4,000 m a.s.l. in the Andes and just about six kilometers west of the Argentina–Chile border.
Construction of the mine started in 2010 and it begun operations in 2014. [1] Mining is expected to last until 2042 according to the mining plan. [2] An environmental impact assessment to modify the previously approved mining project was submitted in 2020 and approved by authorities in July 2025. [3]
Originally, JX Nippon Mining & Metals owned 51.5% of the mine and Mitsui Mining and Smelting owned 25.87% and Mitsui & Co. 22.63%. [1] Later JX Nippon Mining & Metals acquired a 100% ownership of the mine before selling 51% of the shares to Lundin Mining in March 2023. [1] [4] The sale to Lundin Mining included an option for a further purchasing of 19% in the next five years, an option which Lundin Mining took on July 2024. [5]
