Slave Lake Zinc Identifies Major Deep-Seated Hydrothermal System and Large-Scale Metal Zonation at O'Connor Lake

About this update from Slave Lake Zinc Corp

Vancouver, British Columbia--(Newsfile Corp. - February 4, 2026) - Slave Lake Zinc Corp. (CSE: SLZ) ("the Company" or "SLZ") is pleased to announce that ongoing progressive exploration work at its O'Connor Lake property has confirmed and significantly advanced the understanding of the project's regional-scale economic geology and hydrothermal mineralized system. Data analysis has identified a strong, large-scale zonation in metal content recognized over an area of 8 by 5 kilometres across the SLZ property structural corridor. This new interpretation suggests a major deep-seated magmatic-hydrothermal system that was active over time, resulting in a classic depositional zonation pattern that extends the exploration potential beyond the historic zinc-lead showings. Expanding the Mineralized Footprint The Company has identified that gold and silver occur in mineralized structures in a broad "outbound pattern" located 5 to 7 kilometres northwest to west of the central Shaft Zone zinc-lead deposit. Highlights of this distal zonation include: "Identifying this 8 by 5-kilometre zonation corridor fundamentally changes the scale and the exploration model for the O'Connor Lake project," stated Ritch Wigham, the CEO of Slave Lake Zinc. "We are seeing a classic mineralization signature where high-grade gold and silver mineralization occur distal to our established zinc-lead core. This validates our belief that we are dealing with a large, deep-seated hydrothermal system, and it opens entirely new high-priority targets for future exploration." Understanding the Zonation Sequence The zonation observed at O'Connor Lake follows a classic orogenic gold hydrothermal deposition model. In these systems, mineral deposition largely forms in response to elevated heat and fluid fluxes under intense deformational pressures (Taltson Magmatic Zone) associated with compression to transpressional deformation in significantly metamorphic terranes. The Sequence of Zonation: This mineralization signature supports the theory that the O'Connor Lake property hosts a district-scale system rather than isolated deposits. Structural Controls and Next Steps While the structures hosting the precious metal-rich mineralization are located within the complex Taltson Magmatic Zone (TMZ), they are believed to be concentrated in seco...

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