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Business|Copper|Mining|Resources|Operations
Business|Copper|Mining|Resources|Operations
business|copper|mining|resources|operations

Amerigo faces operational disruption following El Teniente accident

7th August 2025

By: Mariaan Webb

Creamer Media Senior Deputy Editor Online

     

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Vancouver-based Amerigo Resources has temporarily suspended the processing of fresh tailings at its Minera Valle Central (MVC) operation in Chile following a deadly rockfall at its long-time partner Codelco’s El Teniente mine.

The copper producer said on Wednesday the incident, which occurred last week in the Andesita sector of El Teniente, had resulted in a halt to fresh tailings deliveries, forcing MVC to shift its focus to processing historic tailings. The daily loss in copper output is estimated at 100 000 lb.

“This tragic event deeply saddens everyone at Amerigo and MVC,” the company stated in a news release. “Our thoughts are with the families of the six workers who lost their lives and with all those affected at El Teniente.”

Codelco, the State-owned mining giant and the world’s largest copper producer, suspended operations immediately after the seismic event and initiated a search and rescue operation, which concluded on Sunday. Chilean President Gabriel Boric subsequently declared three days of national mourning.

Amerigo emphasised that the full impact on its yearly copper production guidance remained uncertain and would depend on the timeline for the resumption of operations at El Teniente.

The MVC plant, located near Rancagua in central Chile, relies on a supply of tailings from El Teniente to produce copper and molybdenum concentrates. Amerigo has built its business around a unique model of processing both fresh and historic tailings from Codelco’s operations, with a relationship that has spanned decades.

Edited by Creamer Media Reporter

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