Nechako Basin – Stikine Terrane

Overview

Rokmaster is targeting significant porphyry Cu-(Mo+Au) mineralization and high-grade Au-Ag vein systems in the Northern Nechako region in west-central BC, an underexplored portion of the productive southern Stikine Terrane which hosts many past producing deposits and advanced development projects. With 28,238 Ha (282 km²), the Nechako Project is district-scale opportunity situated close to many past producing and advanced exploration projects currently in development including Imperial Metals’ Huckleberry Mine, Centerra Gold’s Endako Mine,  Artemis Gold’s Blackwater Mine, Newmont’s past-producing Equity Silver Mine, and Surge Copper’s Ox, Seel, and Berg projects.

Highlights:

Nechako Region – Stikine Terrane District British Columbia, Canada

  • Tier 1 Mining Jurisdiction
  • Nechako Basin underexplored portion of highly productive Stikine Terrane
  • World Class Stikine Terrane – geologically similar to Golden Triangle
  • Mining friendly, Low-risk region, excellent infrastructure
  • Located close to notable mining operations and deposits
  • Northeast of Imperial Metal’s Huckleberry Mine and Surge Copper’s Ox, Seel, and Berg deposits
  • Active explorers incl Vizsla Copper, Equity Metal, Quartz Mountain

Nechako Project Highlights

  • 28,238 Ha (282 km²) district scale land package:
    • Mystery Property (~16,291 Ha)
    • Hanson Porphyry Property (~5,349 Ha)
    • Fox-Coconut Property (~4,998 Ha)
    • Chaplin Property (~1,534 Ha)
  • Two styles of mineralization: 
    • Porphyry Cu-(Au+Mo) related
    • High Grade Epithermal Au-Ag Veins
  • Expert-confirmed potassic alteration related to chalcopyrite and molybdenite mineralization
  • Fully Permitted for drilling in 2026
  • Road Access to all 4 properties
  • Historical & recent exploration identified high-priority drill & exploration targets

Previous, Recent & Current Exploration Work

Mystery Property

  • 190 line-km of High Res Magnetic Survey over Ford Anomaly
  • 176 line-km of High Res Magnetic surveys over central Area
  • Induced Polarization Survey @ Ford Anomaly
  • large phase of prospecting, mapping, channel, chip, & soil sampling
  • rock grab & soil samples collected for geochemical, spectral, and Re-Os Geochronology analysis

Hanson Property

  • 2012 – Airborne Magnetic and ZTEM survey
  • 2025 – prospecting and soil sampling (61 rock samples, 304 soil samples, one sample for geochronology)

Results

Mystery Property

  • 2024 – A quartz vein breccia was discovered approx. 900 m south of the Breccia Zone and grab samples returned up to 5.22 g/t Au & 388 g/t Ag
  • B2 Zone hosts potassic-altered andesite with extensive pyrite-chalcopyrite veining over ~200 m
  • B2 Zone returned elevated Cu-Mo-Au assay results
  • Cu-Mo-Au mineralization similar to B2 Zone discovered @ B3 Zone

Hanson Property

  • 1973 – Significant soil Mo-Cu anomalies at Buckley & Wilson Zone
  • 1973 – an open IP anomaly was detected
  • 2012 – Airborne Magnetic and ZTEM survey imaged geophysical anomalies
  • 2012 – ZTEM survey shows concentric magnetic low coincident with soil and IP anomaly
  • 2015 – rock samples collected with up 1.37% Mo, 1.79% Cu
  • shallow historical drillholes intersected broad intervals of Au-Ag-Zn-Pb-Cu mineralization in a quartz porphyry

Fox-Coconut Property

Fox Showing:

  • 2025 – 70 line-km High Res Airborne Mag Surveys
  • 2025 – Trenching & sampling to expose, sample high grade Au & Ag
  • 2025 – Ongoing prospecting and mapping

Fox-Coconut Property

Fox Showing:

  • 2024 – Channel Sample – A Zone @ Fox Showing returned 3.57 g/t Au and 368 g/t Ag over 1.0m
  • 2024 – Channel Sample – West A  Zone @ Fox Showing- 3.0 g/t Au and 635 g/t Ag over 1.0m
  • 2024 – Composite sample – ~50 m West of B Zone – 2.68 g/t Au over 3.2 m
  • 2024 – South of C-Zone – Channel samples collected returned up to 4.95 g/t Au and 1,001 g/ Ag over 1.0 m

Coconut Area:

  • 2025 – Completed Trenching  at the NW Structure
  • 2025 – 68 channel & chip samples collected in four trenches at NW Structure
  • 2025 – ongoing prospecting and mapping

2026

  • April – 500m Drill Program @ Hanson Property
  • May/June  – IP Surveys @ Mystery Property
  • July/August – Fieldwork @ Nechako Project (Mystery, Hanson, Fox-Coconut)
  • June/July – Fieldwork @ Duncan Lake Zinc Project
  • October – 1000m Drill Program @ Mystery’s Ford Anomaly

Coconut Area:

  • 2019 – Grab Samples across a 300m linear zone @ NW Structure returned up to 7.27 g/t Au & 5,388 g/t Ag + 33.4 g/t Au, 6,273 g/t Ag
  • 2025 – Channel samples from trenches CT2501 and CT2502 @ NW Structure, returned 614 g/t Ag over 1.2m &  497 g/t Ag over 2.5m
Pipeda
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