en.Wedoany.com Reported - Mining company PolarX (ASX:PXX) has concluded its 2025 drilling program at the Caribou Dome copper project in Alaska with a high-grade copper intersection, encountering 3 meters grading 11.23% copper and 12.63 g/t silver at a depth of 65.3 meters.

The company completed a total of nine drill holes, approximately 2,133 meters of diamond drilling, as part of its 2025 program, with eight holes intersecting exceptionally high-grade copper mineralization.

PolarX has now entered the 2026 field season, with a 10,000-meter diamond drilling program underway at the Caribou Dome project, operated in partnership with Northern Star Resources (ASX:NST) under the Alaska Range joint venture. The 2026 program will test induced polarization (IP) targets, as well as down-dip and along-strike extensions of the known resource at Caribou Dome. Fully funded by the Northern Star-PolarX Alaska Range joint venture, the program aims to drill at least 10,000 meters during the summer field season through the end of October.

Northern Star can earn up to a 70% interest in the Alaska Range Project by making annual cash contributions of up to US$39 million over five years. The mining giant has already contributed US$5 million for the first year of exploration and US$6 million for the second year, with current funding covering this season's drilling and moving magnetotelluric (MT) survey work.

Caribou Dome hosts JORC resources of 7.2 million tonnes at 3.1% copper and 6.5 g/t silver. The deposit lies within the larger Alaska Range Project, which also includes the Zackly copper-gold resource and multiple regional targets. In addition to the drilling program, PolarX will conduct a moving MT airborne survey over the Jupiter magnetic anomaly, which extends approximately 3.5 kilometers from the Zackly magnetite skarn deposit. The survey will help identify future drilling targets within the larger copper-gold system. PolarX's 2024 scoping study for the Alaska Range Project, based on assumed copper prices of US$8,500 per tonne and gold prices of US$1,900 per ounce, estimated a pre-tax net present value of A$625 million and an internal rate of return of 73.9%.

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