PolarX Announces Hyper Copper Grades Over Big Widths from Surface Point to Significant Resource Growth at Caribou Dome Project
High-grade copper assays and fully funded drilling at Caribou Dome support potential resource growth within PolarX’s Alaska Range joint venture.
Rhea-AI Summary
PolarX (PXXXF) reported exceptional copper and silver assay results from initial 2026 diamond drill holes at the Caribou Dome Project in Alaska, part of the Alaska Range Joint Venture with Northern Star Resources.
Highlights include CD26-007 with 24.8m @ 9.8% Cu and 14.5g/t Ag from 2.4m, including 4.9m @ 13.6% Cu and 20.4g/t Ag, and CD26-004 with 22.6m @ 8.1% Cu and 13.5g/t Ag from 3.7m. Additional narrower high-grade intervals were also reported. Caribou Dome hosts a JORC Resource of 224,375t of contained copper, while the nearby Zackly deposit has 45,000t of contained copper and 213,000oz of contained gold. The fully funded 2026 program has about 1,700m of drilling remaining, financed under a JV where Northern Star can earn up to 70% by contributing up to US$39m; PolarX has received US$11m to date.
Positive
- CD26-007: 24.8m @ 9.8% Cu and 14.5g/t Ag from 2.4m, including 4.9m @ 13.6% Cu and 20.4g/t Ag
- CD26-004: 22.6m @ 8.1% Cu and 13.5g/t Ag from 3.7m, including 5.8m @ 12.4% Cu and 21.3g/t Ag
- Caribou Dome JORC Resource of 224,375t contained copper; Zackly holds 45,000t Cu and 213,000oz Au
- Northern Star can earn up to 70% by contributing up to US$39m over five years
- PolarX has received US$11m to date to fund exploration, including current drilling and MT survey
- 2026 drilling campaign is fully funded with about 1,700m of drilling remaining this season
Negative
- None.
News Explained
Although the headline refers to significant resource growth, the new sulphide intersections reported about 60m west of the existing resource are still awaiting assays; this establishes a pending exploration result, not a reported increase in the mineral resource.
AI-generated analysis. How Rhea-AI works. Not financial advice.
Follows Recent Announcement of Drilling Hitting Massive Sulphides with Visible Chalocprite Well Outside the Resource at Project
The campaign is fully funded by Northern Star and will be completed by the end of this month with approximately 1,700m of planned drilling remaining.
Assays confirm that holes (CD26-004-CD26-007) intersected exceptionally high-grade copper zones. Both holes also targeted deeper mineralization to the north along the boundary of the hanging wall to test historic drill intercepts.
Additional details are available here: https://asx.api.cmfyapp.com/asx-research/1.0/file/2924-03133509-6A1342951&v=undefined
These exceptional high-grade assays included:
- CD26-007: 24.8m @
9.8% Cu and 14.5g/t Ag from 2.4m, which includes 4.9m @13.6% Cu and 20.4g/t Ag from 6.6m; and 4.4m @14.1% Cu and 16.9g/t Ag from 11.7m - CD26-004: 22.6m @
8.1% Cu and 13.5g/t Ag from 3.7m, which includes 5.8m @12.4% Cu and 21.3g/t Ag from 11.1m - CD 26-004: 2.5m @
3.2% Cu and 3.2g/t Ag from 151.7m - CD26-003: 0.3m @
3.5% Cu and 3.2g/t Ag from 453.7m - CD26-006: 0.9m @
3.2% Cu and 0.3g/t Ag from 4.3m
The company previously announced that two additional holes drilled at the project, which are approximately 60m west of the existing resource, intersected significant visual copper sulphide mineralization:
- Hole CD26-009 contains a broad massive/semi massive sulphide zone of 57.5m with significant visible chalcopyrite.
- Hole CD26-013, intersected five zones of massive and semi massive sulphides, with visible chalcopyrite, totaling 35.4m.
Additional details on these results can be found here: https://asx.api.cmfyapp.com/asx-research/1.0/file/2924-03130397-6A1341728&v=undefined. Assays are awaited for these new discovery intercepts and are expected later this month.
The fully funded 2026 drilling campaign continues, with a further 1,700m of drilling scheduled this season. Caribou Dome has a JORC Resource of 224,375t of contained copper; the nearby Zackly deposit has a JORC Resource of 45,000t of contained copper and 213,000oz of contained gold. Together, Caribou Dome and Zackly make up the Alaska Range project, which is approximately 250km northeast of
A year ago, Polar X announced its joint venture with Northern Star whereby Northern Star can earn up to
PolarX Limited (https://www.polarx.com.au) is an advanced Australian mineral explorer and developer with rapidly growing high-grade Copper, Gold and Silver projects in
View original content:https://www.prnewswire.com/news-releases/polarx-announces-hyper-copper-grades-over-big-widths-from-surface-point-to-significant-resource-growth-at-caribou-dome-project-302875930.html
SOURCE PolarX Limited
FAQ
What visual mineralization has been observed in holes west of the existing Caribou Dome resource?
Approximately 60m west of the existing resource, hole CD26-009 contains a broad massive/semi-massive sulphide zone of 57.5m with visible chalcopyrite. Hole CD26-013 intersected five zones of massive and semi-massive sulphides with visible chalcopyrite, totaling 35.4m. Assays for these intercepts are awaited and are expected later this month.
How much drilling remains in the 2026 Caribou Dome campaign and how is it funded?
The 2026 drilling campaign is scheduled to be completed by the end of this month, with approximately 1,700m of planned drilling remaining. The campaign is fully funded by Northern Star Resources under the Alaska Range Joint Venture.
What are the existing JORC resources within the Alaska Range project?
The Caribou Dome deposit has a JORC Resource of 224,375t of contained copper. The nearby Zackly deposit has a JORC Resource of 45,000t of contained copper and 213,000oz of contained gold.