New Frontier Minerals Confirms Mt. Storm Prospect High-Grade Copper Assays up to 6.88%

Rhea-AI Summary

New Frontier Minerals (ASX: NFM; OTC: NFMXF) reported May 2026 assay results from the Mt. Storm Copper prospect within its NWQ Copper Project in north-west Queensland. Pit and dump samples returned copper grades ranging from 0.49% to 6.88% Cu.

Sequential leach analysis showed high recoveries of sulphuric acid-soluble copper, indicating potential suitability for conventional acid-leach processing. Historical small-scale mining at Mt. Storm extracted about 1,100 tons of ore at roughly 6% Cu, with historic pit sampling up to 10.4% Cu. The company plans follow-up mapping to design a future drill program.

Positive

• Mt. Storm assays from 0.49% to 6.88% Cu in May 2026 sampling
• Sequential leach tests confirm high recoveries of acid-soluble copper
• Historical mining of ~1,100 tons at ~6% Cu head grade
• Historic pit sampling previously returned up to 10.4% Cu

Negative

• None.

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PERTH, Australia, July 14, 2026 /PRNewswire/ -- New Frontier Minerals Limited (ASX: NFM; OTCID: NFMXF) announced that assay results from its May 2026 field programs at the Mt. Storm Copper prospect, part of the company's NWQ Copper Project in the Mount Isa Inlier of north-west Queensland, Australia, confirmed coper values for pit and dump samples ranging from 0.49% to 6.88% Cu.

Further copper testing via sequential leach analysis confirmed high recoveries for the sulphuric acid-soluble copper component, supporting potential amenability to conventional acid-leach processing. Additional details can be found here: https://cdn-api.markitdigital.com/apiman-gateway/ASX/asx-research/1.0/file/2924-03110151-6A1333496&v=undefined.

Historical small-scale mining at Mt. Storm extracted approximately 1,100 tons of ore at a head grade of circa 6% Cu, with historical pit sampling returning up to 10.4% Cu. The company said that follow-up site visit, including detailed geological mapping, will assist in the development of a future drill program, as the company believes these results present a compelling target for drilling.

New Frontier Minerals (https://www.newfrontierminerals.com) is an Australian-based focused exploring of critical minerals and base metals required to power a more electrified and sustainable future. The company holds a strategic portfolio of rare earth, niobium and copper assets in Australia and Canada, which includes the harts Range Heavy Rare Earths and Niobium Project in the Northern Territory, and the NWQ Cooper Project in Queensland. Other interests include the Pomme REE Project, in Quebec, Canada. These commodities are expected to play an increasingly important role in supporting global decarbonization, energy security and technological advancement.

View original content:https://www.prnewswire.com/news-releases/new-frontier-minerals-confirms-mt-storm-prospect-high-grade-copper-assays-up-to-6-88-302825201.html

SOURCE New Frontier Minerals

FAQ

What copper grades did New Frontier Minerals (NFMXF) report from the Mt. Storm prospect in May 2026?

New Frontier Minerals reported Mt. Storm pit and dump copper assays ranging from 0.49% to 6.88% Cu. According to the company, these May 2026 field results come from its NWQ Copper Project in the Mount Isa Inlier, north-west Queensland.

Why are the Mt. Storm copper assays important for New Frontier Minerals (NFMXF) investors?

The Mt. Storm assays show copper grades up to 6.88% Cu, indicating high-grade mineralization potential. According to New Frontier Minerals, these results support further work and present a compelling target to design a future drill program at the NWQ Copper Project.

What did metallurgical testing show about copper recoveries at Mt. Storm for New Frontier Minerals (NFMXF)?

Sequential leach analysis confirmed high recoveries of sulphuric acid-soluble copper at Mt. Storm. According to New Frontier Minerals, this supports potential amenability of the prospect’s copper mineralization to conventional acid-leach processing, an important factor for considering future development options.

What historical copper production data exists for the Mt. Storm prospect owned by New Frontier Minerals (NFMXF)?

Historical small-scale mining at Mt. Storm extracted about 1,100 tons of ore at roughly 6% Cu head grade. According to New Frontier Minerals, historic pit sampling also returned copper values up to 10.4% Cu from the prospect area.

What are New Frontier Minerals’ next exploration steps at the Mt. Storm copper prospect (NFMXF)?

New Frontier Minerals plans a follow-up site visit including detailed geological mapping at Mt. Storm. According to the company, this work will help develop and refine a future drill program targeting the copper mineralization identified in recent assay and historical data.

How does the Mt. Storm copper prospect fit within New Frontier Minerals’ broader critical minerals portfolio (NFMXF)?

Mt. Storm forms part of the NWQ Copper Project in Queensland, within a wider portfolio of rare earth, niobium and copper assets. According to New Frontier Minerals, its projects support demand from electrification, decarbonization, energy security and technological advancement in Australia and Canada.