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Volcanogenic Massive Sulfide (VMS) Mineralization
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Advanced Gold Exploration Provides Ontario Drilling Update at Buck Lake
TMX Newsfile· 2025-12-24 12:30
Core Viewpoint - Advanced Gold Exploration is advancing its drilling program at the Buck Lake property in Ontario, which is fully permitted and consists of 180 mining claims covering 3,886 hectares. The company is optimistic about the early results and plans to resume drilling after the winter break [1][6]. Drilling Program Update - The current diamond drill program is paused for winter, with three drill holes completed: - Drill hole BL-25-01 reached 232 meters, intersecting VMS-type mineralization from 93.8 to 110.50 meters [2]. - Drill hole BL-25-02 reached 117 meters, intersecting VMS-type mineralization from 36.10 to 42.00 meters [2]. - Drill hole BL-25-03 reached 113 meters, intersecting VMS-type mineralization from 33.40 to 43.90 meters [3]. Geological Findings - The drilling encountered fine-grained sedimentary rocks and various volcanic rock types, with significant sulfide minerals such as pyrite, pyrrhotite, and chalcopyrite found within the VMS-style cherty iron formation [4]. - Quartz vein zones were identified in all three drill holes, with alterations and secondary mineralization present [5]. Historical Context and Future Plans - The objective of the recent drilling is to explore extensions of high-grade copper mineralization discovered in 2022, which included high-grade silver up to 98 g/t [7]. - The 2022 drill program outlined a zone of massive sulfide of VMS-type, with significant mineralization found in 13 of the 15 holes drilled [8]. - An airborne geophysical survey is planned for early 2026 to further explore the property, addressing past survey limitations [10]. Mineralization Potential - The Buck Lake property is known to host eight additional mineralized occurrences, including the Wolverine Zone, which reported 17% zinc historically [9][12]. - The geological environment is typical of VMS-type deposits, indicating high potential for further discoveries [11][12].
GreenLight Metals Intersects Significant Copper-Rich VMS Mineralization at Bend Project in Wisconsin Including 12.85m of 4.15% Copper Equivalent
Newsfile· 2025-09-22 11:00
Core Insights - GreenLight Metals Inc. has successfully completed its Phase 1 drilling program at the Bend copper-gold VMS Project in Wisconsin, confirming significant copper-gold mineralization and visual observations suggest further success in remaining holes [2][3][5] Drilling Program Overview - The Phase 1 program consisted of six holes totaling 2,037 meters, targeting the eastern extensions of the known Bend deposit, confirming that mineralization extends eastward and remains open at depth [3][6] - Initial assay results from the first three holes indicate high-grade mineralization, with hole B25-003 returning 12.85 meters at 1.81% Cu, 1.75 g/t Au, 22.7 g/t Ag, and 346.9 g/t Te [3][10] Significant Assay Results - The first three holes returned notable intercepts, including: - B25-003: 12.85m (11.3m true thickness) @ 1.81% Cu, 1.75g/t Au, 22.7g/t Ag, 346.9g/t Te from 257.00m [3][10] - B25-004: 22.24m (17.8m true thickness) of massive to semi-massive sulfide from 276.29m (assays pending) [3][10] - B25-005: 8.79m (7.21m true thickness) of semi-massive to massive sulfide from 285.83m [3][10] - B25-006: 17.11m (11.98m true thickness) of semi-massive to massive sulfide from 328.52m [3][10] Tellurium Analysis - The analytical program includes tellurium, a critical mineral for renewable energy and defense applications, with results for six samples within the B25-003 intercept exceeding the 500 g/t detection limit pending [3][12] Strategic Advantages - The drilling program was executed entirely on private mineral lands with existing permits, allowing for efficient exploration advancement while federal permit applications are pending [3][5] Future Plans - Planning is underway for a Phase 2 winter drill program to follow up on recent successes, with a proposed 5,000 - 6,000 meter drill program to further expand the deposit [21][37]