The ASX Daily: Small Bets Tuesday, 21 April 2026

A Japanese mining giant hands a small ASX explorer a free ride on a US$20 million copper project. A micro cap picks up 93,000 hectares of Brazilian lithium ground from Rio Tinto for half a million dollars. And a tiny gold producer in regional NSW just shipped its first concentrate without spending a dollar on new mining. This is the end of the market where deals get done quietly — and today was busy.HEADLINE STORIESEagle Mountain Mining (EM2) — Free-carried 20% stake in US copper project backed by Japanese major Eagle Mountain has signed binding JV agreements with Tokyo-listed Nittetsu Mining over its Oracle Ridge copper project in Arizona. Nittetsu takes 80% and commits US$20 million over four years covering exploration, environmental permits and feasibility work. Eagle Mountain keeps a 20% stake fully free-carried to US$20 million of project expenditure — zero capital calls, zero dilution risk, while a major Japanese mining house does the heavy lifting. An initial US$3.5 million payment clears existing debts and exercises the mine purchase option, giving Eagle Mountain a clean balance sheet essentially overnight.Riedel Resources (RIE) — 1,000 square kilometres of WA gold ground in one deal Riedel has executed a binding agreement to acquire majority control of two belt-scale gold projects in WA’s Laverton Gold District — the 580km² Cosmo project and the 420km² Mt Venn project — sitting near major deposits including Gruyere (9.1Moz) and Duketon (7.4Moz). The deal is backed by a concurrent A$2.5 million placement, leaving a pro-forma cash position of around A$4 million. Vendor Sarama Resources will hold approximately 32% of Riedel post-transaction. Riedel goes from single asset to three-project, two-jurisdiction gold company overnight. Drilling at Cosmo is pencilled in for July 2026.Sunstone Metals (STM) — US$0.9 billion NPV scoping study for Ecuador gold-copper project Sunstone has completed a scoping study for its 87.5%-owned Bramaderos Gold-Copper Project in Ecuador, delivering a post-tax NPV of US$0.9 billion at a conservative US$3,500 per ounce gold price — rising to US$1.9 billion at current spot around US$5,000. The project envisions a 23-year open pit mine producing 135,000 ounces of gold equivalent per year for the first eight years at an AISC of US$1,499 per ounce. Capital requirement is approximately US$525 million. Pre-feasibility study is next, alongside ongoing exploration to grow the 3.6 million ounce resource base.MID-TIERXpedra Resources (XPD) — Binding agreement to acquire the Neeld Gold Project near West Wyalong NSW — a historically high-grade asset that produced around 439,000 ounces at an exceptional 41 g/t between 1894 and 1915. Only four holes have ever been drilled below 200 metres, all hitting gold, leaving the depth and strike extensions almost entirely untested in the Lachlan Fold Belt.Aldoro Resources (ARN) — Latest drill hole at Kameelburg in Namibia returned 354.2 metres of continuous rare earth, strontium, niobium and molybdenum mineralisation — ending in-hole and still open at depth. Top intercept of 57 metres at 1.85% TREO from surface. Updated resource estimate incorporating all Phase II results due within two weeks.Anson Resources (ASN) — Submitted its final major permit application to the Utah Government for its 10,000 tonne per annum Green River Lithium Carbonate Plant. With brine extraction and waste disposal permits already in hand, this SMO approval is the last regulatory gate before construction. Approval expected within 90 days.Solis Minerals (SLM) — Acquired a 93,000-hectare district-scale lithium project in Brazil’s Araçuaí Lithium Valley from a Rio Tinto subsidiary for just US$500,000 plus a 1.75% royalty. The project sits adjacent to PLS Group’s Colina Lithium Project. Two priority drill targets already identified. Company is fully funded for initial drilling.Great Divide Mining (GDM) — Hit commercial gold production at its Challenger Mine in Adelong NSW, processing historic tailings and targeting gold concentrate grades of 30 g/t. First shipment to a refiner expected within days. No large-scale capex required — a lean path to cash flow for a small producer.Invictus Energy (IVZ) — Raised $10 million via placement at $0.06 per share to fund the Musuma-1 exploration well in Zimbabwe, targeting 1.2 trillion cubic feet of gas and 73 million barrels of condensate. Seismic data shows a classic flat spot indicative of a gas-water contact. Drilling planned for the second half of 2026.RAPID FIRE* Sarama Resources (SRR) — Monetising WA gold assets via the Riedel deal while retaining a ~32% stake for exploration upside. US$242 million ICSID arbitration hearing against Burkina Faso confirmed for February 2027 — a potentially enormous catalyst to keep on the radar.* Helix Resources (HLX) — General meeting called for 25 May to vote on a 35-for-1 share consolidation, capital raise, and apparent acquisition of Centric assets. Company reshaping itself.* MCS Services (MSG) — Trading halt pending shareholder vote on disposal of its main business. Fundamental corporate change that could reshape the company entirely.* Invion (IVX) — NMSC trial expanded to basal cell carcinoma patients — representing 80% of all skin cancers — after a second SCC cohort showed statistically significant lesion reductions and no adverse effects.* Ardiden (ADV) — Standout 6-metre intersection at 20.78 g/t gold within a broader 29-metre zone at 4.96 g/t at its Rouyn Gold Project in Canada’s Abitibi region. Only 47% of the planned drill program reported so far.* Cooper Metals (CPM) — Asset swap with AIC Mines delivers the Pyramid Gold Project in Queensland’s Drummond Basin, with historical hits of 35 metres at 6.1 g/t gold and an 8-kilometre largely undrilled fault corridor. Backed by a ~$980,000 placement.ASX Daily Digest · Not financial advice · Price-sensitive announcements only This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit thelisteddigest.substack.com