Northwire Canada EditionSunday, November 1, 2026
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Gold 3,898.90 −3.3% Silver 49.28 −5.9% Copper 6.48 −1.8% Oil 104.12 +2.1% Palladium 987.70 −1.7% HCH 1.25 −3.9% CRD 0.040 −20.0% ENEV 0.005 +0.0% MOON 5.23 −7.9% ORE 2.56 −4.8% ASE 0.620 −14.5% LKY 0.005 + SOI 0.165 −5.7% ECR 0.190 −5.0% OZ 0.240 −9.4% ELEC 0.110 +4.8% WHY 0.260 −3.7% PHD 0.030 −33.3% OMI 0.220 −10.2% EML 0.105 +0.0% TECT 1.37 −2.8% Gold 3,898.90 −3.3% Silver 49.28 −5.9% Copper 6.48 −1.8% Oil 104.12 +2.1% Palladium 987.70 −1.7% HCH 1.25 −3.9% CRD 0.040 −20.0% ENEV 0.005 +0.0% MOON 5.23 −7.9% ORE 2.56 −4.8% ASE 0.620 −14.5% LKY 0.005 + SOI 0.165 −5.7% ECR 0.190 −5.0% OZ 0.240 −9.4% ELEC 0.110 +4.8% WHY 0.260 −3.7% PHD 0.030 −33.3% OMI 0.220 −10.2% EML 0.105 +0.0% TECT 1.37 −2.8%
Drill Results

Mirasol Provides Exploration Update on Sobek Copper-Gold Project in the Vicuna District, Chile

Sobek Exploration Update Confirms System But Delivers Modest Grades; Asset Monetization Strategy Sustains Liquidity

By The Northwire Desk — AI Analysis Apr 23, 2026 · 07:00 MRZ · 0.5 Mirasol Resources Ltd.
Executive Summary
  • Event: Mirasol Resources provided an exploration update on the 46 South Target within its Sobek Copper-Gold-Silver Project in Chile.
  • Drilling Results: Drill hole DDH-001 confirmed a structurally controlled hydrothermal system but returned modest grades (e.g., 720 ppm Cu, 0.01 g/t Au over 7.2m). Mineralization did not strengthen with depth, leading to the hole being halted at 600m.
  • Geochemistry: Results show pathfinder enrichment (As-Sb-Pb-Zn-Ag) rather than a broad copper-gold mineralized center. Alteration is dominated by silicification and argillic overprint.
  • Future Work: A second drill hole (DDH-002) is pending results, positioned to test near-surface mineralization beneath the quartz-alunite breccia.
  • Management Commentary: CEO Tim Heenan acknowledged initial assay results were "modest" but stated drilling confirmed a structurally controlled system that will help refine the geological model.
Material Impact
  • Relative to Expectations: The results are below the high-grade expectations set by previous drill programs at Sobek (specifically Potro SE in June 2025 which returned 15 g/t Au Eq). While DDH-001 confirms a system exists, the low grades do not materially upgrade the project's economic potential compared to prior announcements.
  • Strategic Context: This news follows a period of aggressive asset monetization (Virginia, Sascha, Rubi projects) designed to fund exploration. The modest results at 46 South suggest the flagship project remains in high-risk exploration phase without immediate near-term production catalysts from this specific target.
  • Market Reaction: The stock price has corrected significantly from its January 2026 peak ($0.88) following the Virginia deal news, settling around $0.50 prior to this release. This update is unlikely to trigger a significant re-rating given the "modest" nature of the grades compared to district peers like Filo del Sol.
  • Risk Profile: Exploration risk remains elevated. The failure to find stronger mineralization with depth in DDH-001 indicates potential limitations on the target's size or grade continuity, requiring further drilling (DDH-002) to validate the model.
MRZ · Price
Company Overview
  • Company: Mirasol Resources Ltd. (TSX-V: MRZ).
  • Strategy: Focus on high-quality gold, silver, and copper projects in Chile and Argentina. Currently monetizing non-core assets to fund the flagship Sobek project.
  • Flagship Project: Sobek Copper-Gold-Silver Project in the Vicuña District, Chile (7 km west of Filo del Sol).
  • Project Status: Exploration phase. Multiple targets identified including Potro SE (drilled) and 46 South (currently drilling).
  • Jurisdiction: Chile is a mine-friendly jurisdiction with established infrastructure near known deposits like Filo del Sol.
Read the original news release →

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