Northwire Canada EditionSunday, November 8, 2026
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Gold 4,079.60 −0.8% Silver 51.94 −0.8% Copper 6.24 −0.5% Oil 90.83 +0.3% Palladium 1,017.10 −2.6% KRN 0.260 −7.1% GSKR 2.84 +5.6% ADE 0.125 +4.2% NRM 0.055 +0.0% BBB 0.520 −1.9% LGD 2.09 +1.9% DEC 0.110 +0.0% LCE 0.200 +0.0% NILI 0.515 −1.0% CDE 21.85 +6.7% CAN 0.045 +0.0% LORD 0.100 +0.0% HBM 29.49 +2.3% ELEF 0.265 +120.8% MUN 0.300 +0.0% SAGA 0.400 +6.7% Gold 4,079.60 −0.8% Silver 51.94 −0.8% Copper 6.24 −0.5% Oil 90.83 +0.3% Palladium 1,017.10 −2.6% KRN 0.260 −7.1% GSKR 2.84 +5.6% ADE 0.125 +4.2% NRM 0.055 +0.0% BBB 0.520 −1.9% LGD 2.09 +1.9% DEC 0.110 +0.0% LCE 0.200 +0.0% NILI 0.515 −1.0% CDE 21.85 +6.7% CAN 0.045 +0.0% LORD 0.100 +0.0% HBM 29.49 +2.3% ELEF 0.265 +120.8% MUN 0.300 +0.0% SAGA 0.400 +6.7%
Drill Results

Zacatecas Silver Completes Surface Sampling and Mapping Program at Oso Negro Project, Sonora, Mexico

Zacatecas Silver Executes Acquisition Strategy Amidst Price Correction

By The Northwire Desk — AI Analysis Apr 16, 2026 · 06:30 ZAC · 0.075 Zacatecas Silver Corp.
Executive Summary
  • Most Recent Event (April 16, 2026): Zacatecas Silver completed a surface sampling and mapping program at the Oso Negro Project in Sonora, Mexico.
  • Key Findings: Identified a robust low sulphidation vein system with over 2 km of cumulative strike length and veins up to 3 m wide. Preliminary observations noted secondary silver minerals.
  • Assay Status: 156 rock-chip grab samples dispatched to ALS; turnaround expected in 4–6 weeks.
  • Historical Context: Oso Negro features historical channel sampling results including high-grade gold and silver intercepts (e.g., 5.15 g/t Au & 953 g/t Ag over 1.2 metres).
  • Strategic Alignment: CEO Eric Vanderleeuw confirms Oso Negro was a priority acquisition target to secure a pipeline of high-impact, underexplored assets in proven mining districts.
Material Impact
  • Current Status: The news is positive but incremental. It validates the execution of the March 2026 Heliostar portfolio acquisition strategy.
  • Market Expectations: Investors anticipated sampling post-acquisition; therefore, this does not contain genuinely new market-moving information yet.
  • Catalyst Timing: Material impact depends on assay results expected in 4–6 weeks (May/June 2026). Until then, the news is operational progress rather than financial revelation.
  • Comparison to Recent Drilling: The El Cristo drilling program (April 1) showed visible sulphides and high-grade potential immediately. Oso Negro is currently at a less advanced stage (surface sampling only), making it lower impact than the El Cristo drill results.
  • Conclusion: Routine - Positive. It confirms management is moving on the ground with new assets but lacks immediate grade confirmation to alter valuation significantly.
ZAC · Price
Company Overview
  • Flagship Project: Zacatecas Silver Project (Panuco/El Cristo vein systems) in the historic Fresnillo silver belt.
  • Resource Base: Inferred 20.5 Moz AgEq (19.0 Moz Ag + 19.2 koz Au) from 3.41 Mt at 187 g/t AgEq as of May 2023.
  • New Assets: Heliostar portfolio acquired March 2026 includes Oso Negro, Cumaro, La Lola, and Ejutla in Sonora/Oaxaca.
  • Secondary Project: Esperanza Gold Project (oxide heap-leach), currently paused due to permitting but preserved as an optionality asset.
Read the original news release →

More from Zacatecas Silver Corp.

Oct 29, 2026 · 06:30

Zacatecas secured the Oso Negro permit and is preparing to commence a maiden 2,500m drill program at the deposit.

Drill Results Oct 27, 2026 · 06:30

Zacatecas reports high-grade epithermal sampling at its Cumaro deposit, advancing the Sonora pipeline as a drill permit remains pending.

Drill Results Oct 05, 2026 · 06:30

Zacatecas adds a low-grade option at its Mexican project while continuing to burn cash.

M&A / Property Sep 10, 2026 · 06:30

Zacatecas extends Oso Negro veins to 3km in Sonora, confirming drill-ready targets.

Drill Results Sep 08, 2026 · 06:30

Zacatecas reports high-grade near-surface El Cristo silver hits in a low-expectation micro-cap.

Drill Results Jul 29, 2026 · 17:30

Zacatecas closes a $2.5 million placement at $0.07 per share to fund the maiden drill program at its Oso Negro project.

Financings