A portfolio reshaped around Western Australia

Redstone Resources Limited (ASX:RDS) is an exploration company, and its June 2026 Quarterly Report shows it widening its Western Australian project base by agreeing to acquire a package of gold and critical-minerals tenements. For readers following the non-energy minerals sector, the key point is that this is early-stage exploration activity, not a defined resource or a producing operation.

The acquisition

According to the quarterly report dated 31 July 2026, Redstone entered an exclusive agreement to acquire 100% of a portfolio of greenfields projects in Western Australia from Hurricane Prospecting Pty Ltd. Consideration is 75 million fully paid shares at a deemed price of $0.003 each, a total of $225,000, plus a 1.5% net smelter return Royalty over the acquired projects. The shares are subject to 12 months of voluntary escrow.

The portfolio includes Mt Cauden (gold and lithium, about 40 square kilometres, near Marvel Loch), Twin Hills (gold, 60 square kilometres, in the Menzies district), Rudall East (copper-gold and base metals, 58 square kilometres, in the East Pilbara) and the Cockatoo Rocks lithium-caesium-tantalum pegmatite prospect north-east of Kalgoorlie. Programs of work for first-pass drilling have been approved at Mt Cauden and Twin Hills, which the company says will be its initial focus. Historical results cited, such as 17 metres at 1.23 g/t gold at Twin Hills, date from 1998 drilling and are not a current resource.

Musgrave projects

Redstone holds 100% of the Saturn copper-nickel-cobalt-platinum group elements (PGE) project, covering 330 square kilometres in the West Musgrave region. The company reports historical drilling at the Halleys prospect, including 58 metres at 0.35% copper from 20 metres, and says access negotiations with traditional owners are under way.

It also holds the West Musgrave Copper Project and is preparing a Reverse Circulation Drilling program to test magnetic targets near the Tollu copper deposit. A government co-funded drilling grant covers up to $230,000 of the program cost. Redstone says it is re-evaluating its tenure in light of nearby discoveries by Terra Metals, which is the company's interpretation, not a result on its own ground.

Redstone also reported a 50/50 lithium joint venture with Galan Lithium in Quebec and an 80% interest in the HanTails gold project near Kalgoorlie. No exploration was done on either during the quarter, and the company said no substantive on-ground exploration took place across its portfolio.

Cash, burn and dilution

Cash at 30 June 2026 was $557,000, down from $694,000 at 31 March 2026. Net operating cash outflow for the quarter was $57,000 and exploration and evaluation payments were $76,000. The report estimated 4.2 quarters of funding at outgoings of $133,000, with no undrawn facilities.

Over the financial year the company raised $695,000 through Equity before $75,000 of costs. The 75 million Acquisition shares add further dilution.

Sector context and risks

Exploration at this stage carries high geological and funding risk. The company's tenements are greenfields or early-stage targets, and drilling may not find mineralisation of economic grade or size. Redstone's modest cash balance means further Capital raising is likely to be needed to run drilling programs.

Upcoming milestones

The report points to planned drilling at Mt Cauden and Twin Hills, the West Musgrave RC program and access negotiations at Saturn, but no firm start dates were confirmed in the sources reviewed.