Rio Grande Resources Advances Gold-Silver Target Definition at Winston Project

#Rio Grande Resources Enhances Geological Understanding at Winston Project

Rio Grande Resources Ltd. has announced the successful completion of a Phase 2 Sampling and Mapping Program at its Winston Gold-Silver Project located in Sierra County, New Mexico. This initiative, conducted by Dahrouge Geological Consulting USA Ltd., has refined the company's geological insights, pivotal for targeting its anticipated Phase 1 drill program.

#Program Details

The recent fieldwork, carried out over a seven-day period in May 2026, involved rigorous structural mapping and surface sampling. The program resulted in the collection of 91 samples—consisting of both rock chip and channel samples—enhancing the dataset's breadth significantly. Additionally, over 300 new data points were recorded, offering deep insights into mineralized vein trends across the project area.

#Geological Insights

Key findings from the mapping include the identification of multiple steeply dipping vein corridors and structural intersections, potentially beneficial for mineralization processes. Textures characteristic of epithermal systems, such as bladed quartz and drusy quartz, were also observed, supporting the interpretation of a larger, interconnected mineralized system within the property.

#Next Steps in Exploration

With assay results from this sampling program still pending, Rio Grande Resources looks forward to integrating these findings with existing geological data. The aim is to prioritize drill targets for the upcoming Phase 1 drill program focused on testing the identified mineralized veins at greater depths and along their strike.

#Corporate Leadership Update

In conjunction with its exploration activities, Rio Grande Resources has appointed Andrew Brown as Corporate Secretary, effective May 25, 2026. Mr. Brown brings over thirteen years of experience in public markets, aiming to strengthen the company's corporate governance and strategic direction.

#Key Takeaways

The Phase 2 Sampling and Mapping Program at the Winston Project has identified extensive vein corridors and structural intersections.
A total of 91 samples were collected, enhancing the geological dataset crucial for refining drill targets.
Mapping supports the interpretation of a district-scale epithermal gold-silver system rather than isolated vein occurrences.
Assay results are pending and will be integrated into future exploration plans for high-confidence drill targets.
Andrew Brown has been appointed as Corporate Secretary, bringing valuable experience to the company.

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Frequently Asked Questions

Rio Grande Resources has recently completed a Phase 2 sampling and structural mapping programme at the Winston Project, revealing extensive vein corridors and structural intersections. This essential data aims to refine the geological understanding ahead of the anticipated Phase 1 drill programme.

The Phase 2 programme resulted in the collection of 91 individual samples, combining rock chip and channel samples. This comprehensive sampling is critical for analysis and will assist in targeting future drilling efforts effectively.

The mapping has identified multiple steeply dipping vein corridors and structural intersections, which are promising signs for potential mineralisation. Observations of epithermal quartz textures further support the geological model of a larger, interconnected mineralised system.

The structural data is expected to play a crucial role in refining and prioritising drill targets for the Phase 1 drill programme, offering insights into vein orientations and mineralisation characteristics essential for targeted exploration.

Investors can look forward to a strategically planned Phase 1 drill programme, driven by the data gathered from the recent mapping and sampling. This endeavour aims to test the continuity of mineralisation at depth and along strike, potentially leading to significant discoveries.

The insights gained from mapping and sampling increasingly suggest that the Winston Project may host a district-scale low-sulfidation epithermal gold-silver system, reflecting substantial exploration upside and potential for future development.

Assay results from the recent sampling programme are currently pending, and their integration with the newly gathered structural data will be crucial for refining high-confidence drill targets.

Rio Grande Resources has appointed Andrew Brown as Corporate Secretary, whose extensive experience in public markets and corporate governance is expected to enhance the company's strategic direction as it progresses with its exploration initiatives.