Riverside Resources completed the acquisition of key concessions (La Famosa, Dana 7) at the Union Project in Sonora, securing full ownership with no royalties. The consolidation strengthens its district-scale position and supports ongoing partner-funded exploration targeting CRD-style gold-silver-polymetallic mineralization across multiple targets.
Questcorp Mining and Riverside Resources consolidated key mineral concessions at the La Unión Project in Sonora, creating a larger, unified land package with multiple drill-ready targets. The project hosts favorable carbonate rocks, extensive alteration, and historic workings, enhancing its potential for a significant carbonate replacement (CRD) gold-silver discovery and supporting ongoing exploration and future drilling.
Silver Dollar Resources hired Versa Perforaciones for a fully funded 3,500-m diamond drilling program at its La Joya silver-copper-gold project in Durango, starting April 2026. The program targets deeper, higher-grade “San Martin–type” mineralization near intrusions, marking a strategic shift from open-pit concepts toward underground exploration beyond historic resource areas.
Silver Dollar Resources has hired Versa Drilling to execute a fully funded 3,500-meter diamond drilling program at its La Joya silver-copper-gold project in Durango, Mexico, starting April 2026. The program aims to test high-grade underground targets and expand mineralization, leveraging Versa’s expertise to refine resource potential and advance the project.
Silverco Mining has launched a fully funded 30,000-metre drill program at its Cusi Project in Chihuahua, targeting major step-out extensions and new regional “blue-sky” prospects. The program focuses on expanding known resources (San Juan, San Miguel) and testing a large offset extension across the Cusi fault, while advancing plans to restart production in H2 2026.
Heliostar Metals reported multiple near-surface gold intercepts at the San Agustin Mine in Durango, extending oxide mineralization over 200 metres beyond the current pit. Results from several zones support strong potential to expand resources and mine life, prompting an increase in the 2026 drill program to 15,000–18,000 metres.
Orex Minerals announced a binding agreement to sell its 38.79% interest in the Coneto Silver-Gold Project in Durango, Mexico, while partner Fresnillo will sell its 61.21% stake, giving Silver Viper Minerals 100% ownership. The all-share transaction values the project at about US$15 million, with Orex and Fresnillo becoming shareholders in Silver Viper after closing.
Zacatecas Silver received a SEMARNAT drill permit for the El Cristo vein system at its Zacatecas Silver Project, enabling a 4,000 m 2026 drill program (2,800 m at El Cristo). The program targets resource expansion and new zones, aiming to define a maiden resource while building on the existing 20.5 Moz AgEq resource at Panuco.
Azucar Minerals Ltd. announced a corporate name change to Mustang Minerals Limited, effective March 18, 2026, and will trade under new symbols “MMX” (TSXV) and “MMXLF” (OTCQB). The change does not affect share structure or shareholder rights, and no action is required from shareholders.
Pacifica Silver expanded its Phase II drill program at the Claudia silver-gold project in Durango from 12,000 to 20,000 metres following financing and new permits. The program targets high-grade veins and new zones, with multiple rigs active and assays pending. The company also appointed veteran geologist Dr. Steven I. Weiss as Interim VP Exploration.
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