Star Copper (CSE:STCU) has confirmed and extended the supergene zone at its flagship Star Project in northwestern British Columbia as it nears completion of its phase-one drilling program.
The zone has been extended from drillhole E to a 250m by 300m area down to a depth of 100m, with chalcopyrite mineralisation present in fine disseminations and in quartz-sulphide veinlets, often appearing with pyrite.
Star Copper will use findings to map the structural framework guiding mineralisation, after reporting multiple fault zones and breccia intersections.
The company is currently drilling its sixth and final hole for phase one, drilled to a depth of 188m to confirm a previously identified induced polarisation anomaly along its southern margin for mineralised quartz monzodiorite and probing into a magnetic high.
Deeper sections of the hole are anticipated to intersect hypogene copper mineralisation, with Star Copper already confirming malachite and azurite in the oxide zone from drilling so far.
A technical team will incorporate available results into a refined 3D model that will steer phase two of drilling in the coming months.
CEO Darryl Jones says phase one of the 2025 drill campaign was intended to test and confirm historical findings, with drilling at hole E intended to test a coincident magnetic and induced polarisation chargeability high.
“With the confirmation and extension of the supergene zone we continue to develop an increasingly clear picture of a very exciting near-surface supergene copper zone rarely seen in these parts,” Jones says.
“As a result, we are excited to move forward with identifying the high-grade extension and then pushing to build out the Star target at depth along with new exploration at the proximal Star North and Copper Creek targets.”
Star Copper is a copper explorer focused on the development of its flagship Star Project, which hosts open mineralisation at depth and in all directions, as discovered in historical exploration programs.
Copper is currently seeing a yearly increase of 5.42% on the tail of a 21.09% decrease. As of 20 August, the commodity is priced at US$4.42 ($6.86) per pound, according to Trading Economics.
Write to Maddison Elliott at Mining.com.au
Images: Star Copper
