Filo del Sol

Last updated
Filo del Sol mine
Location
Location Tierra Amarilla
Atacama Region
Country Chile
Production
Products Copper, gold, silver
Owner
Company Lundin Mining
BHP

Filo del Sol (lit. "Edge of the Sun") is a copper and gold mining project in the high Andes along the Argentina-Chile border. [1] [2] The project was initially carried out by Filo Mining which is part of Lundin Mining, [3] but after July 2024 BHP and Lundin Mining agreed to form together a new mining company to develop the projects of Filo del Sol and Josemaría. [4]

The project lies in Chile's Atacama Region, 140 km southeast of the regional capital of Copiapó. [1] [3] Mining operations are expected to last 13 years one the mine is opened. [3] Geologically the project is developen on an high-sulfidation epithermal ore deposit associated to a wider copper-gold porphyry system. [1] The material to be mined have an ore grade of 0.38% copper, 0.33g/t gold, and 0.33g/t silver. [1] Probable ore reserves are 259.1 million tons. [1]

The planned mine is to have a strip ratio of 1.57 to 1. [3]

Filo del Sol and Josemaría have generated expectation in Atacama Region albeit mining unions in neighbouring areas of Argentina have expressed concern about the possible dependency of the projects on Chilean supplies and mine workers, and Chilean ports as export routes. [5] [6]

References

  1. 1 2 3 4 5 "Filo del Sol Project". NS Energy. September 17, 2019. Retrieved July 22, 2025.
  2. ↑ Recabarren Ortíz, Cristián (2025-08-22). "Gran apuesta minera en la frontera Chile-Argentina: inversiones millonarias en desarrollo". Redimin (in Spanish). Retrieved 2025-08-23.
  3. 1 2 3 4 "Filo del Sol Project, Chile". Mining Technology. 2024-04-05. Retrieved 2025-07-23.
  4. ↑ Ibarra, Valeria (2024-07-19). "BHP y Lundin acuerdan desarrollar juntos proyectos Filo del Sol y Josemaría en la frontera de Chile y Argentina". Diario Financiero (in Spanish). Retrieved 2025-07-22.
  5. ↑ Alegría Olivares, Eduardo (2025-07-27). "Valores de Insumos, la experiencia en minería y el tratado binacional favorencen por Chile a Josemaría y a Filo del Sol". Revista Minera Crisol (in Spanish). Retrieved 2025-07-29.
  6. ↑ "¿Es conflictivo para los proveedores argentinos de Vicuña el Tratado de Integración Minera entre Argentina y Chile?". Minería y Desarollo (in Spanish). 2025-07-25. Retrieved 2025-07-30.

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