Core Silver Extends Porphyry System 450 Metres South At Laverdiere Copper Project

Executive Summary
- Core Silver announced the successful completion of drill hole LAV25‑012, extending the known Laverdière porphyry system southward by ~450 m along the Valley Fault Zone.
- The hole intersected continuous Cu‑Mo‑Ag mineralization and associated alteration from 325 m to >825 m depth, confirming both lateral continuity and depth potential of a district‑scale porphyry system.
- Overall 2025 drilling program totaled 3,857 m in seven holes across five targets, with copper‑molybdenum mineralization now traced over more than 4.5 km of the Valley Fault corridor.
Key Details
- Drill Hole LAV25‑012
- Collared 450 m south of previous 2025 holes (LAV25‑010/011) on a magnetic low anomaly.
- Drilled to a final depth of 840 m; intersected mineralized zones from 325 m to >825 m depth.
- Intersections include abundant Cu‑ and Mo‑bearing quartz veining, breccias, and higher‑grade copper sulfides (bornite, chalcopyrite).
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Confirms a 450‑metre southern extension of the Laverdière porphyry system.
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2025 Exploration Campaign
- Completed 7 drill holes across 5 target areas on the Valley Fault Zone.
- Total depth drilled: 3,857 m (see Table 1 for individual hole lengths).
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All assays are pending; visual and geological highlights released for LAV25‑012.
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Project‑Scale Implications
- Porphyry Cu‑Mo‑Ag mineralization now defined over ~600 m between holes LAV25‑010 and LAV25‑012, and over 2.3 km between Valley & Main Zone drilling.
- Copper‑molybdenum mineralization traced across >4.5 km of the Valley Fault corridor, supporting a district‑scale system.
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Open potential remains both at depth (to >1 km) and laterally along strike.
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Historical Context
- Early 1900s adits returned up to 27 m @ 1.20 % Cu; 1974 drilling reported 175 m @ 0.27 % Cu with higher‑grade intervals.
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Inaugural 2022 drilling yielded up to 48.5 m @ 0.90 % Cu, 6 g/t Ag, 0.11 g/t Au.
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CEO Comment (Nick Rodway)
“Each new drill hole at Laverdière continues to strengthen the scale and significance of this emerging porphyry system… The 450‑metre step‑out confirmed by LAV25‑012 demonstrates strong continuity … and expands the system well beyond our 2022 footprint.”
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Assay Status
- All 2025 drill core samples, including those from LAV25‑012, are currently assays pending; results to be released in a future update.
Notable Quotes
“With multiple intrusive phases, significant mineralization at depth, and open extensions in all directions, Laverdière is shaping up to be a compelling, large‑scale discovery in Northern British Columbia.” – Nick Rodway, President & CEO
All forward‑looking statements are subject to risks and uncertainties detailed in the release.