A busy day for mining newsflow saw resource updates, corporate milestones, and strategic pivots across the sector. Rainbow Rare Earths (AIM:RBW) opened a formal review of a potential US stock exchange listing, while Empire Metals (AIM:EEE) delivered encouraging early assays from its Pitfield titanium campaign and Galantas Gold (TSX-V:GAL) filed a major resource update at Andacollo ahead of a shareholder vote on its Sol de Oro acquisition.
Rainbow Rare Earths weighs US stock exchange listing
Rainbow Rare Earths (AIM:RBW) announced its board has launched a formal evaluation of a US stock exchange listing, with the aim of accessing North American investor demand and potentially enhancing valuation and trading liquidity. The shares eased 1.79% to 27.5p on the day, with the review process itself still at an early stage.
Empire Metals confirms high-grade titanium hits at Pitfield
Initial assays from the first 88 holes of a 712-hole drilling campaign at Pitfield confirmed multiple near-surface intervals above 7% TiO2, with a peak 2-metre result of 17.83% TiO2. Empire Metals (AIM:EEE) saw its shares rise 10.61% to 34.4p on the back of the results, which support the scale and grade potential of the Western Australian project.
Andrada publishes Lithium Ridge drill assays and expands Stage 1
Andrada Mining (AIM:ATM) published assays from seven diamond drill holes at its Lithium Ridge project, releasing the data as inside information under the Market Abuse Regulation. The company simultaneously announced an expansion of its Stage 1 drilling programme, reporting multiple high-grade lithium intersections from the campaign. The shares were broadly flat at 4.294p, down just 0.14%.
Vast Resources extends RTO long-stop to 30 June
Vast Resources (AIM:VAST) agreed an amendment with Bay Square Pacific to push the long-stop date on the sale and purchase agreement underpinning its proposed reverse takeover of Gulf International Minerals from 5 May to 30 June, following receipt of Tajikistan regulatory approval. The extension lifted the shares 4.35% to 0.12p.
Technology Minerals secures £400,000 battery recycling pilot funding
Technology Minerals (AIM:TM1) said its 48.35%-owned business has been awarded Battery Innovation Programme funding, including approximately £400,000 to deploy a pilot ReCAM system that converts lithium-ion black mass into cathode active material at its Wolverhampton plant. The shares gained 3.23% to 0.08p on the news.
GoldStone Resources begins stacking on Pad 6 and plans JORC drilling
GoldStone Resources (AIM:GRL) began stacking agglomerated ore onto Pad 6, its largest heap leach pad to date, having produced 480 troy ounces of gold in the March quarter. The company is also preparing a JORC-compliant drilling programme to expand the Homase resource. The shares slipped 3.64% to 0.7227p.
Total Graphite commissions updated feasibility for Nevada PSG plant
Total Graphite (AIM:TGR) said it will commission updated feasibility studies on a purified spherical graphite plant in Reno, Nevada, a project first modelled in 2017, and consolidate those findings with its Montepuez definitive feasibility study to advance a mine-to-anode supply chain. The shares dipped 1.02% to 1.46p.
Galantas files 6.01 Moz Andacollo resource and calls shareholder vote
Galantas Gold (TSX-V:GAL) lodged a NI 43-101 update outlining a combined 6.01 million ounces of gold in situ at its Andacollo project, and set a shareholder vote to complete the Sol de Oro acquisition. The stock fell sharply, dropping 28.21% to 28.0p on the session.
Kodal Minerals reports US$89 million from first three lithium shipments
Kodal Minerals (AIM:KOD) said its Bougouni lithium project in Mali has generated approximately US$89 million from three spodumene concentrate shipments, with mining and exports continuing without interruption. The update pushed the shares up 6.45% to 0.33p.
Cobra completes resource drilling at Wudinna rare earth project
Cobra Resources (AIM:COBR) completed assays from 74 drillholes totalling approximately 3,200 metres at the Boland and Head prospects within its Wudinna rare earth project in South Australia, with promising heavy-rare-earth intersections to feed an initial mineral resource estimate. The shares edged up 0.86% to 4.69p.
Fulcrum Metals secures £6 million to fund pilot plant
Fulcrum Metals (AIM:FMET) agreed a £6.0 million funding package with YA II PN, managed by Yorkville, alongside an At-The-Market facility with Clear Capital, to fully fund a stand-alone pilot plant and associated pilot-scale testing. Despite the funding news, the shares fell 12.46% to 7.66p, reflecting dilution concerns around the structure of the deal.
Tertiary Minerals fast-tracks Mushima North towards maiden resource
Tertiary Minerals (AIM:TYM) said it will push infill drilling at its Mushima North silver-copper discovery in Zambia to deliver a maiden JORC Mineral Resource Estimate by the end of 2026, while joint venture activity with KoBold Metals and First Quantum continues in parallel. The shares jumped 6.25% to 0.085p.
Altona publishes JORC estimates for fluorspar and gallium at Monte Muambe
Altona Rare Earths (AIM:REE) published JORC-compliant Mineral Resource Estimates for fluorspar and gallium at its Monte Muambe project in Mozambique, outlining a 9.5-year base-case fluorspar mine and a materially larger gallium resource with further upside potential. The shares fell 11.49% to 3.7175p despite the resource milestone.
