An underground copper mine located in the Chilean Andes, 2,300 m (7,500 ft) above mean sea level. It is in the commune of Machalí in Cachapoal Province, Libertador General Bernardo O'Higgins Region, near the company town of Sewell. This was established for the workers and their families.
Links
- https://www.codelco.com/elteniente
- https://maps.app.goo.gl/Kh7Q8biLVevGPm2S7
- https://www.mindat.org/loc-8839.html
Notes
Owner: Codelco
Nearest settlement: Machali (28 kinh, 20 km)
Start operations: 1905
Workforce: 3,934 (as of Dec-25)
Copper production: 310 ktpa
Products: copper concentrate; molybdenum concentrate; gold; silver
Project characteristics
- 4,500 km of underground tunnels
TCM status: recipient
Köppen climate type: ET: Tundra
Media
- May-26: Codelco’s El Teniente obtains The Copper Mark & The Molybdenum Mark (checked 9-Jun-26)
- Apr-26: Codelco, contractors fined after deadly mine collapse (checked 30-Apr-26)
- Feb-26:
- Oct-25: Chile mining regulator says investigation into fatal mine collapse will take months (checked 7-Oct-25)
- Aug-25:
- Codelco begins gradual restart at Chile mine hit by collapse (checked 12-Aug-25)
- Codelco suspends El Teniente contractors through Aug. 13 as it seeks restart (checked 11-Aug-25)
- Operations at Codelco’s El Teniente mine remain suspended after collapse (checked 11-Aug-25)
- All five missing miners confirmed dead after Chile copper mine collapse (checked 11-Aug-25)
Created: May-25; updated Aug-25, Oct-25, Feb-26, Mar-26, Apr-26, Jun-26