Robuta

https://www.mining-technology.com/news/codelco-modify-chiles-andina-mine-shape-avoid-glaciers/ Codelco to modify Chile's Andina mine shape to avoid glaciers - Mining Technology Jan 11, 2018 - Chilean copper mining company Codelco has submitted an environmental impact assessment (EIA) to local authorities proposing to invest $250m for modifying the... andina mine