Lomas Bayas
| Location | |
|---|---|
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| Location | Sierra Gorda |
| Region | Antofagasta Region |
| Country | Chile |
| Coordinates | 23°25′49.83″S 69°30′35.88″W / 23.4305083°S 69.5099667°WCoordinates: 23°25′49.83″S 69°30′35.88″W / 23.4305083°S 69.5099667°W Fatal error: The format of the coordinate could not be determined. Parsing failed. |
| 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 began as a project of Westmin Resources, changing then ownership multiple times; first to Boliden AB, then to Falconbridge Limited in 2001.[2] When Xstrata plc acquired Falconbridge Limited in 2006 the mine ownership passed to this company,[2] then in 2013 Xstrata was bought by Glencore.[3]
The mine is operated by Compañía Minera Lomas Bayas S.A. which is fully owned by Glencore.[4]
Commercial operations in the mine started in mid-1998.[2][5] 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.[5][4]
In late September 2025 the mine suffered a major fire, by October 1 it was extinguished and no deaths were reported.[6]
References
- ↑ 1.0 1.1 "Lomas Bayas". Consejo Minero (in Spanish). Retrieved 2025-05-09.CS1 maint: Unrecognized language (link)
- ↑ 2.0 2.1 2.2 "Lomas Bayas Copper Mine, Chile". Mining Technology. Retrieved 2025-08-22.
- ↑ "Glencore finishes takeover of Xstrata". Financial Times. 2 May 2013. Archived from the original on 11 December 2022. Retrieved 3 May 2013. Unknown parameter
|url-status=ignored (help) - ↑ 4.0 4.1 "Lomas Bayas Mine". Mining Data Online. Retrieved 2025-08-21.
- ↑ 5.0 5.1 Farías, Antonio; Cancino, Christian; Coronado, Freddy (2016). Caso Compañía Minera Lomas Bayas (PDF) (Report) (in español). Facultad de Economía y Negocios de la Universidad de Chile. Retrieved 2025-05-06.
- ↑ Alza, Rolando (2025-10-01). "Glencore controla incendio en mina Lomas Bayas en Chile". Rumbo Minero (in español). Retrieved 2025-10-02.
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