PolarX Announces Outstanding Geophysics Results and Sampling Assays from Their Alaska Range Project

Rhea-AI Summary

PolarX (OTCQB:PXXXF, ASX:PXX) reported new geophysics and sampling results from its Alaska Range Project, indicating potential for a major copper-gold system.

3D magnetic inversion modeling identified a large 3.5km-diameter magnetic body extending from the Zackly deposit across Jupiter to Gemini, with high-grade surface mineralization above several interpreted intrusive apophyses.

The Alaska Range Mine Development has a JORC resource of 11.2Mt, containing 269,375t Cu, 213,000oz Au and 3.131,000 oz Ag. A 2024 Spring Scoping Study outlined A$625m pre-tax NPV, A$223m Capex, 74% IRR and a 1.6-year payback.

Positive

• 3D modeling defines 3.5km-diameter magnetic body across multiple Alaska Range prospects
• High-grade surface mineralization overlies several interpreted intrusive apophyses
• 128 rock-chip samples return widespread high-grade copper and gold at Jupiter and Mars
• Alaska Range JORC resource of 11.2Mt with copper, gold and silver
• Scoping Study pre-tax NPV of A$625m for Alaska Range Mine Development
• Scoping Study IRR of 74% and 1.6-year payback on A$223m Capex

Negative

• None.

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Together the Results Highlight Potential for a Major Copper-Gold System

ANCHORAGE, Alaska, May 28, 2026 /PRNewswire/ -- PolarX Limited (ASX: PXX; OTCQB: PXXXF) announced outstanding geophysics results and surface sampling assays that together highlight the potential for a major copper-gold system at the company's Alaska Range Project.

New 3D magnetic inversion modeling has identified a large magnetic body with a diameter of 3.5km that extends north from the Zackly magnetite skarn deposit across Jupiter to the Gemini prospect. High-grade surface mineralization directly overlies several magnetic apophyses interpreted to emanate from the deeper intrusive body, significantly enhancing the prospectivity of the system for large-scale intrusion-related copper-gold mineralization.

A total of 128 rock chips were collected and samples, returning widespread high-grade copper and gold results at the Jupiter and Mars and surrounding prospects. Additional details can be found here: https://cdn-api.markitdigital.com/apiman-gateway/ASX/asx-research/1.0/file/2924-03090824-6A1325804&v=undefined.

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 Alaska and Nevada. The company's Alaska Range Mine Development has a total JORC resource of 11.2Mt; 269,375t Cu, 213,000oz Au and 3.131,000 oz Ag. The 2024 Spring Scoping Study showed A$625m pre-tax NPV, A$223m Capex, 74% IRR, 1.6-year payback. In Nevada, the company is focusing its efforts on the Humbold Range, which also boasts high grades of gold, silver, lead and zinc.

View original content:https://www.prnewswire.com/news-releases/polarx-announces-outstanding-geophysics-results-and-sampling-assays-from-their-alaska-range-project-302784710.html

SOURCE PolarX Limited

FAQ

What did PolarX (OTCQB:PXXXF) announce about its Alaska Range geophysics on May 28, 2026?

PolarX announced new geophysics and sampling results suggesting potential for a major copper-gold system at its Alaska Range Project. According to PolarX, 3D magnetic inversion modeling defined a 3.5km-diameter magnetic body linked to several existing prospects.

How many rock-chip samples did PolarX collect at Jupiter and Mars prospects for PXXXF?

PolarX collected 128 rock-chip samples from the Jupiter, Mars and surrounding prospects, reporting widespread high-grade copper and gold. According to PolarX, these surface assays overlie magnetic features interpreted to come from a deeper intrusive body, supporting large-scale copper-gold potential.

What is the JORC resource at PolarX’s Alaska Range Mine Development for PXXXF investors?

The Alaska Range Mine Development has a JORC resource of 11.2Mt containing copper, gold and silver. According to PolarX, this totals 269,375t Cu, 213,000oz Au and 3.131,000 oz Ag, underpinning the project’s development potential in Alaska.

What are the key 2024 Spring Scoping Study metrics for PolarX’s Alaska Range project (PXXXF)?

The 2024 Spring Scoping Study outlined a pre-tax NPV of A$625m for the Alaska Range Mine Development. According to PolarX, the study assumes A$223m Capex, a 74% internal rate of return and a 1.6-year payback period.

How do the new magnetic inversion results support PolarX’s copper-gold exploration strategy at Alaska Range?

The 3D magnetic inversion shows a large magnetic body extending 3.5km from Zackly across Jupiter to Gemini. According to PolarX, high-grade surface mineralization above several magnetic apophyses enhances the prospectivity for intrusion-related copper-gold mineralization.