Drill Results
Questcorp Mining and Riverside Resources Advance Toward Drilling with Expanded IP Survey at La Union Project, Sonora, Mexico
Questcorp Mining Refines La Union Targets Ahead of Imminent Phase 2 Drilling; Execution Continues Without Catalyst Spike

Executive Summary
- Questcorp Mining and partner Riverside Resources completed an expanded induced polarization (IP) geophysical survey at the La Union Gold-Silver Project in Sonora, Mexico.
- The survey represents the final target refinement stage prior to the commencement of a fully funded Phase 2 drill program.
- Geophysical results identified conductive zones aligned with historical drilling and known mineralization, while also generating new targets in the previously unsurveyed northern portion of the property.
- Management views the IP results, combined with recent high-grade surface sampling and structural reinterpretation, as strong indicators of a larger district-scale mineralized system.
- Permits are secured, funding is in place, contractors are engaged, and drill targets are being refined in real time. Phase 2 drilling is expected to commence imminently.
Material Impact
- The news is a routine follow-up to the May 21, 2026 aeromagnetic survey and the May 5, 2026 high-grade surface sampling results.
- It confirms the company is executing its planned exploration program on schedule without unexpected delays or cost overruns.
- The IP survey successfully de-risks the upcoming drill program by validating historical targets and identifying new northern targets, but does not introduce fundamentally new geological discoveries or financial metrics.
- The market has already priced in the progression toward drilling through the previous announcements. The completion of the survey is an operational milestone rather than a material catalyst.
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Company Overview
- Questcorp Mining is a junior exploration company focused on the La Union Gold-Silver Project in Sonora, Mexico, and the North Island Copper Project in British Columbia.
- The La Union Project is held under an option agreement with Riverside Resources, which currently owns a 9.9% stake in Questcorp and will increase to 19.9% upon earn-in, plus a 2.5% NSR.
- The flagship La Union Project targets carbonate replacement deposit (CRD) style gold-silver-polymetallic mineralization and emerging sediment-hosted gold (SHGD) targets.
- Recent Phase 1 results highlighted high-grade intervals at Union Mine (2.9m @ 20 g/t Au) and a new Carlin-type gold discovery at Luis Hill (42m @ 0.3 g/t Au).
- The North Island Copper Project targets a porphyry copper system at the Marisa Zone, with historical drilling showing low-grade copper intercepts that increase in grade with depth.
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Jun 09, 2026 · 03:06