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Peruvian State Awards Quiulacocha Tailings Reprocessing Rights to Cerro de Pasco Resources

How Activos Mineros S.A.C.’s landmark remediation auction handed Cerro de Pasco Resources full control over one of the world's largest polymetallic silver and critical mineral tailings basins.

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Peruvian State Awards Quiulacocha Tailings Reprocessing Rights to Cerro de Pasco Resources

Sifting through a century of legacy industrial refuse is rarely the stuff of mining romance, but when the refuse heap sits atop one of the Andes' most prolific polymetallic belts, old waste has a funny way of looking like high-grade opportunity.

Montreal-headquartered Cerro de Pasco Resources Inc. (TSXV: CDPR | OTCQX: CDPMF) officially cleared its highest regulatory hurdle yet after the Sale Committee of Peruvian state environmental agency Activos Mineros S.A.C. awarded the company Public Auction No. 001-2026-AMSAC.

The award, granted directly to local operating arm Cerro de Pasco Resources del Perú S.A.C., hands the junior developer formal reprocessing rights and surface control over the sprawling Quiulacocha Tailings Storage Facility. For years, the asset was an awkward administrative puzzle: Cerro de Pasco Resources Inc. (TSXV: CDPR | OTCQX: CDPMF) owned the underlying El Metalurgista mining concession, while the Peruvian government held the environmental liabilities and surface footprint. Once the definitive agreements are signed in the coming days, the company will finally hold both mineral and surface rights in a single consolidated basket.

The statutory engine behind the transfer is Supreme Decree No. 013-2008-EM, a Peruvian legal framework designed to let the state offload expensive reclamation burdens onto commercial operators who think they can extract value from the mess. In this case, the target is environmental liability ID No. 6752, nestled in the Simón Bolívar district of central Peru’s Pasco province. Decades of historical extraction by previous operators left behind tens of millions of tonnes of silver, zinc, lead, and copper-bearing slurry. More recently, sonic drilling campaigns revealed elevated concentrations of critical tech metals like gallium and indium sitting right on the surface, suddenly giving the high-altitude tailings pond unexpected geopolitical relevance.

From an operational standpoint, tailings reprocessing is mining without the most punishing overhead. There is no strip ratio to calculate, no hard-rock blasting required, and no deep underground shafts to ventilate. The rock has already been pulverized and extracted by generations of miners who simply lacked the flotation technology or economic incentives to recover every last ounce. That processing advantage drops front-end handling costs dramatically, transforming what was once an acidic ecological headache into a modern circular-economy project.

Still, turning an Andean tailings pond into a commercial balance sheet is never a casual stroll through the plaza. Cerro de Pasco Resources Inc. (TSXV: CDPR | OTCQX: CDPMF) has candidly reminded markets that Quiulacocha does not yet boast an established mineral resource or reserve compliant with Canadian National Instrument 43-101 standards. The company is currently barreling through metallurgical testing and assay programs to establish a maiden Mineral Resource Estimate, with feasibility-level studies slated to follow.

Execution now shifts to the dotted line. While closing documents with Activos Mineros S.A.C. are anticipated shortly, the market will be watching closely to see how smoothly definitive terms are ratified, how local communities in Simón Bolívar participate in development pacts, and how quickly technical teams convert historical waste into bankable reserves. If the company delivers on the engineering, it will have pulled off one of Latin America's neatest double plays: solving a historic environmental liability while generating a fresh stream of critical minerals from rock that was discarded long ago.

Sources

  • Official Company Disclosure: Cerro de Pasco Resources Inc., Cerro de Pasco Resources Awarded the Quiulacocha Tailings in AMSAC Public Bidding Process, GlobeNewswire Regulatory Release, Published October 12, 2026.
  • Peruvian Regulatory Framework: Supreme Decree No. 013-2008-EM, Ministry of Energy and Mines (MINEM), Peru, governing the transfer of legacy mining liabilities for economic reprocessing.
  • State Agency Records: Activos Mineros S.A.C. (AMSAC), Public Auction No. 001-2026-AMSAC Documentation for Mining Environmental Liability ID No. 6752 (Quiulacocha TSF), Pasco, Peru.

Disclaimer

Neither the author of this article nor JuniorStocks holds equity, stock options, or any other financial positions in Cerro de Pasco Resources Inc. (TSXV: CDPR; OTCQX: CDPMF; FRA: N8HP; BVL: CDPR) or any other companies mentioned in this publication. This content is published by JuniorStocks strictly for informational purposes, was prepared independently without company compensation, and utilized AI assistance for text editing, formatting, and generating accompanying media. While polymetallic tailings reprocessing and critical mineral recovery from legacy mining liabilities in Peru represent a compelling frontier in sustainable resource development, this article does not constitute investment or financial advice. Investors are strongly advised to conduct their own thorough, independent due diligence and consult with a qualified financial professional before making any investment decisions.

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