Riverside Resources Expands Porphyry Copper Targets at Ariel Project, Sonora, Mexico

Riverside reported early-2026 assay results and expanded porphyry copper targets at its 100%-owned, drill-permitted Ariel copper-gold project in Sonora, near Grupo Mexico’s La Caridad complex. Proximity to an established porphyry district and permitting status increases the probability of near-term drilling catalysts, which can support optionality-driven interest in junior explorers. While primarily a copper story, the porphyry Cu-Au angle and potential for a larger system is modestly supportive for gold-linked exploration sentiment. Near-term trade focus is on follow-up drill plans, scale indicators (alteration footprint/grade continuity), and any partnership/farm-in signals.