Chile · MiningKey Facts Pause order Codelco halted the Andes Norte expansion at El Teniente after detecting new seismic risk; no restart date confirmed. Codelco halted the Andes Norte expansion at El Teniente after detecting new seismic risk; no restart date confirmed. The state miner has paused the El Teniente expansion at its Andes Norte project. El Teniente expansion: what happens nextThe honest answer is that nobody knows yet. If the El Teniente expansion is delayed significantly, Codelco may have to reallocate capital from other projects.