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Over 5,000 square kilometers in a world class mining district

THE PEAKE PROJECT

Overview

The Gawler Craton is a world-class mining district in South Australia and is endowed with over 100 million tonnes of copper and 110 million ounces of gold.

Copper Search’s Peake Project is made up of three areas and covers over 5,000 sq km giving the company a strong ground position in the district.

The Peake Project is also located within the Eromanga Basin which is known to host significant Heavy Minerals Sands (HMS) discoveries, including recent finds by Petratherm (ASX: PTR) and Marmota (ASX: MEU).

Heavy Mineral Sands Potential

In May 2025, Copper Search reported a promising Heavy Minerals Sands (HMS) assemblage of high-value zircon and titanium minerals – rutile, ilmenite and leucoxene identified in a recent external review of the Peake Project, South Australia.

Assay highlights of pan-concentrated grab samples include:
o 35% zircon, 20% Ilmenite, 20% leucoxene, 5% Rutile (CUSHM002)
o 25% zircon, 50% Ilmenite, 10% leucoxene, 5% Rutile (CUSHM001)
o 25% zircon, 55% Ilmenite, 5% leucoxene, 5% Rutile (CUSHM003)
o All with low amounts of “trash” minerals

Figure 1: Location Map of the Peake Project and new tenement application ELA2025_17 Eromanga Basin

The Eromanga Basin is known to host significant HMS discoveries, including recent finds by Petratherm (ASX: PTR) and Marmota (ASX: MEU) and highlights the region’s strong HMS potential. Terrain features suggest potential trap sites for heavy minerals along the outcropping Peake and Denison Ranges. The Peake Project area has an extensive thickness of HMS target horizons, host to heavy mineral sand deposits elsewhere. A second tenement area (in application) reveals promising magnetic signatures that may indicate ilmenite-rich strand lines—an exploration model proven in regions like the Murray Basin

While investors familiar with the Peake Project know that our primary focus has been copper, the recent identification of heavy mineral sands (HMS) highlights the company’s rigorous assessment and commitment to identifying the best opportunities for our shareholders. Opportunities that meet a clear set of selection criteria: in-demand commodities, favourable jurisdictions, nearby known deposits and economic scale potential.

Recent discoveries in the Eromanga Basin—such as Petratherm’s Rosewood Prospect— underscore the region's broader potential for significant HMS deposits. Prospective sedimentary basins often host multiple HMS systems; the Eucla, Murray, and Perth basins are clear examples.

While HMS may not be as well-known as other commodities, these deposits contain minerals critical to global supply chains. They are refined to produce titanium, zirconium, and rare earth elements—essential inputs across traditional industries and high-tech manufacturing. This makes HMS both commercially valuable and strategically important. The HMS potential at the Peake Project was identified by Ian Warland, a previous recipient of the “Discovery of the Year” award for his discovery of the world-class Jacinth HMS deposit in South Australia. I’m pleased to welcome Ian to the Copper Search team. His proven expertise—from project generation to feasibility and production—will be a major asset to our exploration efforts.
Duncan Chessell
Managing Director

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