A busy Wednesday for mining newsflow saw tungsten secure a defence-grade moment as Guardian Metal Resources (AIM:GMTL) inked a processing agreement tied to US Army research, while Fulcrum Metals banked a milestone payment on a growing Ontario gold resource and Central Asia Metals reported first-half output beats across all three of its metals. Boardroom change, drilling completions, and a significant capex-saving study at a Czech lithium project rounded out a data-heavy session.
Cloudbreak Discovery clears heritage hurdle ahead of Darlot West drilling
Cloudbreak Discovery (AIM:CDL) secured heritage agreements for its Western Australian projects, clearing a key regulatory requirement as it moves toward its maiden drill programme at Darlot West. The company also appointed a consulting geologist to support the campaign. The stock fell 20.8% to 0.475p, though the move came against a backdrop of positive operational progress rather than any adverse news.
Guardian Metal signs tungsten supply deal for US Army research
Guardian Metal Resources (AIM:GMTL) agreed to ship legacy ore from its Tempiute tungsten project in Nevada to Montana for pilot processing directly linked to US Army research. The arrangement positions the company's critical mineral inventory within an active defence supply chain, a strategically significant step for a project that has attracted growing attention amid Western efforts to reduce tungsten dependence on China. Shares edged down 0.25% to 15.81p.
Aterian's Rwanda unit posts third straight quarter of gross profit
Aterian (AIM:ATN) reported that its Eastinco subsidiary delivered a third consecutive quarter of gross profit from its Rwanda operations, holding its footing despite weaker tin and tantalum prices during the period. The result underlines the resilience of the group's African critical minerals business and its ability to sustain profitability through commodity price cycles. Shares were quoted at 27.0p.
Fulcrum Metals banks CADUS$500,000-plus milestone as Tully Gold hits 265,000 ounces
Fulcrum Metals (AIM:FMET) received an additional consideration payment worth more than CAD$500,000 after an updated resource estimate at the Tully Gold Project in Ontario crossed a contractual threshold, with the deposit now standing at 265,000 ounces. The milestone payment was triggered automatically under the terms of the original acquisition agreement, providing a near-term cash inflow as the project continues to grow. Shares rose 6.7% to 8.0p.
Galantas Gold chair Magee resigns to join private equity
Galantas Gold (AIM:GAL) announced the immediate resignation of board chair Róisín Magee, who is departing to pursue a private equity opportunity. Director David Cather has been named interim chair while the company considers its next appointment. The departure of a chair with immediate effect is rarely a neutral signal for investor sentiment, and the shares fell 10.0% to 22.5p.
Lexington Gold commissions JORC conversion for 62-million-ounce Kroonstad estimate
Lexington Gold (AIM:LEX) hired South African geological consultancy Shango Solutions to convert a non-compliant historical estimate of up to 62.41 million ounces at its Kroonstad project into a JORC-compliant Exploration Target. The work is a prerequisite for any formal resource declaration and marks a meaningful step in bringing the South African asset to investment-grade standard. Shares slipped 3.1% to 3.102p.
Great Southern Copper wraps up 17-hole scout campaign at Especularita
Great Southern Copper (AIM:GSCU) completed its first scout drilling programme at the Especularita copper target in Chile, finishing all 17 reverse-circulation holes in the campaign. Assay results are expected within two to four weeks, with the market now waiting on the data to assess whether the prospect warrants follow-up work. Shares dipped 3.3% to 2.9p.
European Metals study points to US$112 million capex saving at Czech lithium project
European Metals Holdings (AIM:EMH) released preliminary analysis suggesting that replacing rotary kilns with a single tunnel kiln at its Cinovec lithium project in the Czech Republic could cut capital costs by US$112 million and reduce annual operating costs by US$10 million. If confirmed through further engineering work, the finding would materially improve the project's economics and potentially accelerate the path to a construction decision. Shares fell 1.75% to 14.0p.
Orosur drills beneath 79.6 g/t surface hit at Pepas West
Orosur Mining (AIM:OMI) commenced drilling directly beneath a surface sample that returned 79.6 grams per tonne gold at its Pepas West target, with the programme designed to test whether the high-grade surface expression extends at depth. The company indicated the drilling could extend the Pepas West strike to close to 200 metres. Shares rose 1.7% to 17.04p.
Central Asia Metals beats prior-year output across all metals in first half
Central Asia Metals (AIM:CAML) reported first-half production gains at both its Kounrad copper operation in Kazakhstan and its Sasa zinc-lead mine in North Macedonia, outperforming the equivalent period of the prior year across all three metals. Higher copper and zinc prices amplified the operational outperformance, lifting net cash to $96.7 million, a strong balance sheet position as the company advances its acquisition of Cygnus Metals. Shares gained 2.2% to 131.996p.
Hamak Gold intercepts 20 g/t zone at Akoko South as resource work nears end
Hamak Gold (AIM:HAMA) reported that drilling at the Akoko South prospect in Ghana returned 6.46 g/t gold over 4 metres, including a higher-grade interval of 20 g/t over 1 metre, pointing to a deeper primary sulphide gold system beneath the shallower oxide mineralisation already identified. The result arrived as the company approaches completion of its maiden resource estimate for the project. Shares were quoted at 0.65p.
Tungsten West to begin Hemerdon commissioning later this month
Tungsten West (AIM:TUN) confirmed that its phased production ramp-up at the Hemerdon tungsten and tin mine in Devon remains on schedule and within budget, with commissioning set to begin before the end of July. Full commissioning is targeted for the first quarter of 2027. Shares eased 2.8% to 35.38p.
Beowulf Mining raises £4.3 million through Bacchus-led subscription
Beowulf Mining (AIM:BEM) secured a £4.3 million strategic financing round led by Bacchus Capital and affiliated entities, subject to Swedish regulatory approval and a shareholder vote expected later this month. The fundraise provides the AIM-listed mineral explorer with additional capital as it advances its Scandinavian portfolio. Shares were quoted at 6.25p.
Greatland Gold appoints experienced underground mining chief as COO
Greatland Gold (AIM:GGP) named a new chief operating officer with 25 years of large-scale underground mining experience, including senior roles at Northern Star and Newcrest, as the company pushes ahead with development of its Telfer-Havieron hub in Western Australia. The appointment adds operational depth to the management team at a critical stage of the project's advancement. Shares fell 6.7% to 548.0p.
