Three companies informed on drilling results from projects in Mexico during the fifth week of October, 2025. Silverco Mining (previously Quetzal Copper Corp.) reported assay results from its 5,500 m drill program at the Cusi property, in Chihuahua. ” Silverco is advancing a 15,000-metre 2025 drill program, with initial assays expected in the fourth quarter of 2025. The Company’s objective is to convert this new geological understanding into an expanded, higher-grade resource base to support possible restart of operations as soon as H2 2026″.

Avino Silver presented results from four twin holes on is confirmation drilling program at La Preciosa, in Durango, where it is developing the property for mining. At the Alamos Silver project in Sonora, Minaurum Gold has completed 35 holes on the Europa, Promontorio and Travesia vein zones, as part of its resource definition drill program.

The three deposits present characteristics common of intermediate sulfidation epithermal systems. Here a description on La Preciosa by Avino on its web page: “Quartz veins are accompanied by adularia, barite, calcite, rhodochrosite of variable timing, as well as acanthite, freibergite, Ag sulfosalts and minor electrum, plus variable amounts of pyrite, honey-colored sphalerite, tennantite/tetrahedrite, chalcopyrite and galena, and supergene Fe and Mn oxides; the hypogene minerals are characteristic of intermediate-sulphidation deposits in Mexico. Mineralization is believed to be Tertiary in age both the Lower Volcanic Supergroup (LVS) and Upper Volcanic Supergroup (UVS) are mineralized, but the basalts are recent and not mineralized”.