MONTREAL, Dec. 18, 2025 (GLOBE NEWSWIRE) -- Aya Gold & Silver Inc. (TSX: AYA; OTCQX: AYASF) (“Aya” or the “Corporation”) is pleased to announce that it has filed a technical report presenting the Preliminary Economic Assessment ("PEA") for the Boumadine Polymetallic Project (the “Project” or “Boumadine”), located in the Kingdom of Morocco, with an effective date of November 4, 2025 (the “Report”). The PEA was prepared in accordance with National Instrument 43-101 – Standards of Disclosure for Mineral Projec ...

Core Insights - Cerro de Pasco Resources Inc. (CDPR) has made significant progress in the Quiulacocha Tailings Reprocessing Project, transitioning from Phase 1 to Phase 2, which is crucial for both resource recovery and environmental remediation in Peru [1][11]. Phase 1 Achievements - A 40-hole sonic drill program has been completed, confirming metal grades and continuity, with ongoing tendering for Phase 2 drilling contractors [2]. - Extensive mineralogical and metallurgical tests are being conducted to determine effective metal recovery methods [3]. Environmental Studies - Completion of wet season baseline studies and ongoing dry season assessments, including various monitoring techniques [4][19]. - The environmental baseline program aims to reduce long-term liabilities and improve regional conditions through tailings reprocessing [19]. Hydrogeology and Geotechnics - High-resolution surveys have been integrated into hydrogeological models, guiding mine planning and infrastructure requirements for Phase 2 [5][22]. - Initial assessments for long-term tailings storage and re-mining methods have been completed, confirming efficient dredging capabilities [6][23]. Permitting and Approvals - Submission of Phase 1 Results Report has initiated the regulatory process for Phase 2 drilling, with CDPR fully funded for ongoing programs [7][11]. - Recent resolutions from Peru's Mining Council have clarified the permitting process, aligning authorities for the project's advancement [11]. Upcoming Milestones - Key milestones include the completion of the integrated metallurgical program in Q1 2026, commencement of Phase 2 drilling, and advancement into pre-feasibility studies [9][12]. Technical Program Update - The project is supported by a rigorous technical work program, with metallurgical testing defining effective processing routes for multiple products [12][18]. - The initial metallurgical phase is expected to conclude in Q1 2026, followed by further testing [17]. Mineralogical and Metallurgical Testing - The mineralogy program includes various advanced testing methods to analyze metal associations and recovery factors [13]. - The metallurgical program focuses on recovering multiple metals into saleable concentrates, with initial flotation tests showing promising results [14][15]. Re-mining and Tailings Storage - Studies on re-mining methods and tailings storage have evaluated various factors, supporting low-cost dredging and operational efficiency [23][24]. - The combined Phase 1 and Phase 2 drilling program will provide essential datasets for feasibility-level engineering [25][26]. Company Overview - CDPR is focused on developing its El Metalurgista mining concession, which contains silver-rich tailings from over a century of mining, aiming to unlock value while promoting sustainable development [28].

Core Insights - Cerro de Pasco Resources Inc. (CDPR) has made significant progress in the Quiulacocha Tailings Reprocessing Project, transitioning from Phase 1 to Phase 2, which is crucial for both resource recovery and environmental remediation in Peru [1] Phase 1 Achievements - A 40-hole sonic drill program has confirmed metal grades and continuity, supporting the mineral resource estimate for the Quiulacocha tailings [2] - Extensive mineralogical and metallurgical tests are being conducted to determine effective metal recovery methods [3] Environmental Studies - Completion of wet season baseline studies and ongoing dry season assessments, including various monitoring techniques [4] - Environmental baseline data will support the project's Environmental Impact Assessment, aiming to reduce long-term environmental liabilities [19] Hydrogeology and Geotechnics - High-resolution surveys have been integrated into hydrogeological models and stability assessments, guiding mine planning and drilling infrastructure [5][22] - Initial assessments for long-term storage sites and re-mining methods have confirmed the efficient dredging and pumping of Quiulacocha tailings [6][23] Permitting and Approvals - Submission of Phase 1 Results Report has initiated the regulatory process for Phase 2 drilling, with CDPR fully funded for ongoing programs [7] - Recent resolutions from Peru's Mining Council have clarified the permitting process, aligning authorities for the project's advancement [11] Upcoming Milestones - Key milestones include the completion of the integrated metallurgical program in Q1 2026, submission and approval of necessary permits, and commencement of Phase 2 drilling [9] Technical Program Update - The project is supported by a rigorous technical work program, with metallurgical testing defining effective processing routes [12] - The initial metallurgical phase is expected to conclude in Q1 2026, followed by further testing [17] Mineralogical and Metallurgical Testing - The mineralogy program includes various advanced testing methods to determine metal associations and recovery factors [13] - The metallurgical program focuses on recovering multiple metals into saleable concentrates, with initial flotation tests showing promising results [14][15] Tailings Management - Studies on tailings storage and re-mining methods are ongoing, evaluating capacity, land suitability, and environmental considerations [24] - The tailings are confirmed to be pumpable within an optimal solids concentration range, supporting low-cost extraction methods [23] Phase 2 Drilling Program - The upcoming drilling campaign will complete the necessary datasets for feasibility-level engineering, with approximately 116 drillholes planned [25][26]