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Antofagasta will seek environmental approval in the fourth quarter for Encierro Volcanes exploration

Antofagasta, a Chilean copper miner, plans to submit environmental applications in the fourth quarter to expand its exploration activities for?its Encierro and Volcanes project.

This move would be a significant step forward in two of Antofagasta’s long-term growth options for copper, as major miner race to replenish pipelines, while grappling with difficult permitting processes, water restrictions and aging deposits, especially in Chile, the top copper producer.

Encierro is a joint venture between Barrick Mining and a copper mine in northern Atacama that contains gold and molybdenum. Volcanes, a separate copper-mining project located in the mining-heavy Antofagasta area, is partially controlled by Chile’s wealthy Luksic Family.

According to an April document, Antofagasta has allocated $60 million? for the Volcanes Exploration, and $95 million? for Encierro.

The document shows two projects in the same time frame, with the entry of environmental impact declarations into the?environmental review system (DIA) during the fourth quarter.

A previous application for 'Encierro' was closed in 2024 because?regulators found it lacking essential information including protected birdlife within the project area.

The miner didn't immediately respond to an inquiry for comment.

According to Antofagasta, Encierro has about 3.4 million tons of copper, and Volcanes contains about 9.5 millions tons. However, these figures are based on estimated copper in ground, not recoverable output.

Cristian Cifuentes is an analyst at the Center for Copper and Mining Studies. He said: "It seems that they are taking advantage of (the good) copper prices to progress their relatively unexplored, greenfield projects."

The copper?prices are up sharply over the last few years. On Wednesday, the LME cash rate was at $13,170 per metric ton, an increase of 58% compared to $8,355 in early July 2023.

Antofagasta already manages a heavy workload in its operating mines. It also juggles other expansion?and mine-life-extension projects.

The company is carrying out major upgrades at its Centinela mine - which was 78% completed as of April. It also has its flagship Los Pelambres Mine, where the two mines produced 535,700 metric tons of copper last year.

Antofagasta highlighted the challenges that will be faced this year in obtaining permits for plans to invest over $900 million to Zaldivar, to extend mine life and to replace continental water with treated wastewater beginning in 2028. (Reporting and editing by Stephen Coates; Additional reporting by Daina-Beth Solomon; Reporting by Kylie Madry)

(source: Reuters)