Core Insights - Tintina Mines Limited has completed its 2025 drilling campaign at the Domeyko Sulfuros Project in Chile, aiming to upgrade Inferred Resources and support a Preliminary Economic Assessment (PEA) [1][9] - Preliminary drill results confirm resource potential and indicate opportunities for deposit expansion [2] - The drilling campaign involved 12 diamond drill holes totaling 5,810 meters, providing essential data for geological modeling and geotechnical analysis [3] Resource and Assay Results - An updated resource estimate is expected in September, with complete Cu-Au assay results anticipated by the end of August; currently, 20% of geochemical results have been received [4] - Key mineralogical findings indicate chalcopyrite as the primary copper-bearing mineral, with favorable liberation and low pyrite association [5] Geometallurgical Testing - Comminution tests show low ore abrasiveness and medium to hard hardness in primary grinding, supporting a conventional grinding circuit design [5] - Rougher flotation tests yielded average recoveries of 92.6% Cu and 74.9% Au at P80 = 150 µm, with no significant differences between seawater and freshwater use [8] Preliminary Economic Assessment (PEA) - Andean Belt Resources has engaged SRK Consulting for the PEA, which will include resource estimation, cost estimation, and economic scenario generation, with the final report scheduled for December 2025 [9] Company Overview - Tintina Mines Limited is a Canadian company with over 20 years in the junior mining sector, focusing on base and precious metal properties in South America and Canada; it has recently expanded its portfolio with new projects in Chile [11]
Tintina Mines Completes Drilling Campaign and Reports Key Geometallurgical Advances to Support 2025 PEA for Domeyko Sulfuros Project
Globenewswire·2025-08-18 11:00