Impact Minerals

High Purity Alumina (HPA) Project Western Australia | IPT earning 80%

The Lake Hope Project spans a vast area of approximately 238 square kilometres, encompassing several promising salt lakes stretching from Hyden to Norseman in southern Western Australia, renowned as a Tier One jurisdiction. Within this expansive region, lies an extraordinary deposit of high-grade aluminium clay minerals, uniquely situated in the upper strata of a playa lake. Distinguished by its singular physical and chemical characteristics, this deposit enables cost-effective mining and offsite metallurgical processing through an innovative acid leaching technique, challenging conventional cost paradigms.

The region shows distinctive climatic and geological conditions conducive to the formation of an unparalleled deposit of aluminium-rich material within the surface clay layers of two small salt lakes known as West Lake and East Lake. These clay layers, measuring only a few meters thick, boast exceptional chemical and physical properties, primarily composed of malleable aluminium-bearing minerals akin to plasticine, facilitating effortless sampling using handheld augers and push tubes.

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Novel hydrometallurgical process has produced 4N HPA from lake clays.

Meets chemical purity benchmarks of typical HPA.

Unique material with competitive advantage over kaolin.

Lake Hope contains JORC 2012 compliant resource of 880,000t Al₂O₃ at 25.1% Al₂O₃*. 

Significant exploration upside across 239 square kilometres of tenements.

High Purity Alumina is aluminium oxide (Al₂O₃) with a purity exceeding 99.99% and superior brightness, hardness and resistance.

HPA is a technology sector material used in LED’s, lithium battery separators, catalysts, and synthetic semiconductors. 

4N HPA commands prices of US$15,000 to US$25,000 per tonne.

Industry research expects significant demand growth over the next decade.

High-grade aluminous clays in salt lakes.

1.5-2 metres thick, mineralised at surface, no overburden.

Exceptional material characteristics for mineral processing.