| Location | |
|---|---|
  Lomas Bayas | |
| Location | Sierra Gorda |
| Region | Antofagasta Region |
| Country | Chile |
| Coordinates | 23°25′49.83″S69°30′35.88″W / 23.4305083°S 69.5099667°W |
| Production | |
| Products | Copper |
| Production | 65,800 tonnes copper cathode |
| Financial year | 2023 |
| History | |
| Opened | 1998 |
| Owner | |
| Company | Glencore |
Lomas Bayas is an open pit copper mine located in the Atacama Desert of northern Chile. More precisely it lies in the inland commune of Sierra Gorda in Antofagasta Region. [1] It lies about 90 km east of the port city of Antofagasta. In 2023 it operated with 1,109 own workers and 3,129 contractors. [1] The mine begun operations in 1998 when it was owned by Falconbridge Limited. [2] The grade of the ores extracted and processed at Lomas Bayas is low (0.27% copper in the 2010s) when compared to the average grade of copper ores extracted in other Chilean mines. [2]
