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    Argentina mining revival and $40B copper push: project and risk notes for engineers

    May 6, 2026|

    Reviewed by Tom Sullivan

    Argentina mining revival and $40B copper push: project and risk notes for engineers

    First reported on MINING.com

    30 Second Briefing

    Argentina is courting more than $40 billion in new copper investment under President Javier Milei’s pro‑market reforms, with the RIGI regime granting 30‑year tax, customs and FX stability to projects over $200 million and already covering 10 schemes worth $25.5 billion. Flagship copper projects include McEwen Copper’s Los Azules seeking about $4 billion in financing, First Quantum’s proposed $3.5 billion Taca Taca build, and Glencore’s El Pachón and Agua Rica with combined capex above $13 billion. The push comes amid intense provincial‑level conflicts over water and glacier protection, court‑ordered suspensions such as at Vicuña Corp in La Rioja, and competing US–China influence, particularly around lithium in Salta, Jujuy and Catamarca.

    Technical Brief

    • Congress approved opening high-altitude Andean zones to mining by 137–111 votes, despite glacier-water concerns.
    • Argentina holds an estimated 44 million tonnes of copper reserves, yet has produced none since Alumbrera’s 2018 closure.
    • Lithium output is forecast to rise 340% between 2024 and 2035, reinforcing the “Lithium Triangle” positioning.
    • Court-ordered suspension of BHP–Lundin’s Vicuña Corp work in La Rioja, over alleged environmental risks, was lifted within a week.
    • Newmont plans about $800 million additional investment at Cerro Negro in Santa Cruz, underpinning gold–silver export dominance.
    • RIGI has been legally extended to July 2027, giving a defined window for project sanctioning.
    • PromArgentina’s updated 2025 Investor’s Guide, prepared with Deloitte, details tax, labour and incentive navigation for incoming miners.
    • Provincial heterogeneity remains critical: San Juan, Catamarca and Salta are described as mining-friendly, while Mendoza stays restrictive.
    • Chinese groups such as Ganfeng retain major lithium positions in Salta, even as US-aligned financing channels expand.
    • Analysts frame Argentina as being “repriced” from geopolitical risk to strategic opportunity, contingent on policy continuity across electoral cycles.

    Our Take

    With Argentina’s 44 million tonnes of copper reserves and a $40 billion project pipeline, the country moves into the same strategic conversation as Chile and Peru that has dominated most of our 1193 Mining stories, signalling a potential rebalancing of Andean copper project risk and capital allocation.

    Projected 340% lithium output growth in the Lithium Triangle alongside Argentina’s copper build‑out positions the country as a dual copper–lithium play, which in our database tends to attract diversified majors such as BHP and Glencore looking to balance battery‑metal exposure with long‑life base‑metal cash flow.

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    Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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