Star Copper extends supergene zone at Star Project in British Columbia

3 min read | August 21, 2025 12:50 AM PDT | By Team Kalkine Media

 

Highlights

  • Star Copper (CSE:STCU) expands the supergene zone at the Star Project in British Columbia

  • Phase-one drilling program nears completion with structural mapping underway

  • Mineralisation confirmed with chalcopyrite, malachite, and azurite observed

Star Copper (CSE:STCU), operating in the copper exploration sector, has reported confirmation and expansion of the supergene zone at its flagship Star Project in northwestern British Columbia. This update comes as the company nears completion of the first phase of its drilling campaign, which has focused on testing and validating historical exploration outcomes.

Expansion of the Supergene Zone

The confirmed supergene zone has been extended across a wider area, with drilling identifying chalcopyrite mineralisation present both in fine disseminations and in quartz-sulphide veinlets. These are commonly associated with pyrite, strengthening the structural understanding of the deposit.

The company has also mapped multiple fault zones and breccia intersections, which are considered key in guiding the mineralisation. These findings provide valuable geological context that will feed into the next stages of exploration and modelling.

Phase-One Drilling Progress

Star Copper is currently completing the sixth and final hole of the phase-one program. This hole was drilled to greater depth to evaluate an induced polarisation anomaly identified along the southern margin of the Star Project. Drilling has intersected mineralised quartz monzodiorite and entered a magnetic high, both of which are significant in identifying copper-bearing zones.

Deeper drilling sections are expected to test hypogene copper mineralisation. Earlier drilling in this program has already shown visible oxide minerals such as malachite and azurite, providing further confirmation of copper enrichment near surface levels.

Geological Modelling and Next Steps

All drilling data gathered so far will be incorporated into a three-dimensional model, which is being refined by the technical team. This model will play a central role in planning the second phase of drilling, guiding further exploration both at depth and across nearby targets.

Phase one was designed to revisit areas of historic work and test geophysical anomalies with modern drilling. Results from hole E, in particular, have validated coincident magnetic and chargeability highs, which are strongly associated with copper mineralisation.

Exploration Outlook for Regional Targets

Alongside work at the main Star zone, exploration is also planned at Star North and Copper Creek. These areas are situated in close proximity to the main project and hold geological features consistent with the broader system. The continuation of exploration across these zones highlights the broader scope of copper mineralisation within the region.

Industry Context

The wider copper industry has experienced notable changes in recent years, with demand dynamics influencing exploration activity across North America. Projects such as the Star Project add to the growing portfolio of copper-focused initiatives aimed at supplying an evolving market. With drilling confirming both supergene and hypogene copper zones, Star Copper continues to position itself within the expanding exploration landscape.

asx 200 remains a benchmark index for tracking resource-linked companies, providing a measure of how exploration and mining firms contribute to the broader equity market performance.

Frequently Asked Questions

  • What is Star Copper currently exploring?
    Star Copper (CSE:STCU) is exploring the Star Project in British Columbia for copper mineralisation.
  • What minerals have been confirmed at the project?
    The project has shown chalcopyrite, malachite, and azurite in different mineralisation zones.
  • What stage is the current drilling program?
    The phase-one drilling program is nearing completion with results being compiled into a 3D geological model.

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