Cerro Colorado mining deposit
Cerro Colorado, popularly known as Minas del Rey Salomón, is a Spanish mining deposit in the province of Huelva, Andalusia, located in the municipalities of Minas de Riotinto and Nerva. Its main mineral reserve is copper with 822,000 proven tonnes, of which 696,500 tonnes are recoverable with the current market and profitability range of the mine.
Source: Wikipedia — Cerro Colorado mining deposit (CC BY-SA 4.0)