Los Azules Could Make Argentina a Copper Player at Last

Argentina neighbors the world's leading copper producer, Chile, yet Argentina has scarcely any copper mines of its own. The Andes mountain range that forms the border between the two nations is rich in copper, yet large-scale mining operations have been absent on the Argentine side. The geology is there, but the mines have been missing.

Los Azules, a major copper project in San Juan province, is the most significant attempt to bridge this gap and transform Argentina into a genuine copper producer. The project's owners estimate reserves of around 10.2 billion pounds of copper, placing it among the most substantial undeveloped copper deposits globally. The investment required to build the mine is enormous, but the potential returns are equally significant - enough copper to sustain a mine for two decades.

Los Azules is led by McEwen Copper, a subsidiary of the McEwen Mining group, with notable investors including carmaker Stellantis and Rio Tinto's Nuton venture. As electric vehicles increasingly rely on copper for their motors, batteries, and wiring, carmakers are positioning themselves as copper suppliers for the future. Analysts expect global copper demand to rise steadily due to the growing demand for renewable energy infrastructure and electric vehicles.

Los Azules is projected to produce around 205,000 tonnes of copper annually in its first five years, with an annual average of approximately 148,000 tonnes over its 21-year lifespan. The project employs innovative leaching technology to minimize water and energy consumption, which is crucial in the dry, high-altitude environment of the Andes.

McEwen Copper's Los Azules project became the first copper mine admitted to Argentina's RIGI (Régimen Inversión Ganancia Inversión) program in 2025, a government-backed incentive scheme offering tax and currency guarantees to investors. Chile has successfully turned its Andean copper wealth into a cornerstone of its economy, generating substantial revenue and exports.

Argentina, however, has lagged in executing this model. The province of San Juan, where Los Azules is located, could see substantial economic benefits from the project, including job creation, infrastructure development, and new export opportunities. However, challenges remain, such as the project's high-altitude location, complex financing, and reliance on copper prices.

The final investment decision and the initiation of construction are critical milestones to watch. If Los Azules succeeds, it could serve as a template for other copper projects in Argentina, potentially transforming the region into a mining hub.