Geomechanics.io

Railway upgrade works on the Midland Mainline will disrupt services between Bedford and London over the next two weekends as engineers tackle a concentrated package of track and systems improvements. Network Rail teams are expected to renew sections of rail and ballast, adjust overhead line equipment and carry out signalling upgrades on this intensively used commuter and intercity corridor. Civil and track engineers should anticipate temporary speed restrictions, altered possession windows and access constraints for any parallel works in the Bedford–London section during this period.

Sinkholes discovered by Network Rail engineers on a rail bridge outside Purley have forced the closure of all lines between Purley and East Croydon, severing direct rail links between central London and Gatwick Airport. The defect was identified during planned engineering works, prompting immediate suspension of services on this key section of the Brighton Main Line. Geotechnical teams now face urgent investigation of foundation conditions and void extent beneath the bridge, with stabilisation and monitoring requirements likely to dictate the duration of disruption.

Amey has secured two Eastern Region Assessment Contracts (ERAC) with Network Rail worth a combined £40M, covering structural and geotechnical assessments across the Eastern route. The frameworks will support asset condition evaluation and capacity checks on bridges, culverts, retaining walls and earthworks, informing renewals and strengthening works on key passenger and freight corridors. For consultants and contractors, the awards signal continued demand for detailed assessment to optimise life extension and target capital interventions on ageing rail infrastructure.

Solar-1, a new NOAA satellite to be stationed at the Sun–Earth L1 Lagrange point, will extend warning times for geomagnetic storms that can induce damaging currents in long high-voltage transmission lines and transformers. By providing earlier, higher-resolution measurements of solar wind speed, density and magnetic field, Solar-1 will allow grid control centres to pre-emptively reconfigure networks, reduce loading on vulnerable 400kV and 275kV circuits, and adjust reactive power support. For civil and electrical engineers, this supports more robust design and operational planning for geomagnetically induced current resilience.

Undergrounding 20km and 50km high-voltage transmission sections is significantly more expensive than using overhead lines on steel lattice pylons, according to a UK government-commissioned cost study by Ramboll. The analysis compares full-life costs for underground cable systems – including deep trenching, joint bays, transition compounds and higher repair complexity – against conventional overhead construction. For project teams weighing community pressure to bury lines, the findings signal materially higher capex and O&M, with major implications for route selection, consenting strategies and whole-life cost assessments.

Esso has been fined £1M by the UK Health and Safety Executive after 2.4t of highly flammable liquefied petroleum gas leaked from ageing plant at ExxonMobil’s Fawley Refinery due to failures in managing equipment integrity. The incident, which exposed workers to “life-threatening risks”, stemmed from inadequate inspection and maintenance of pipework and associated fittings in a hazardous area of the site. Process safety engineers and asset managers are likely to face closer scrutiny of inspection regimes, corrosion monitoring, and lifecycle replacement strategies for high-pressure LPG systems.

Greater Manchester mayor Andy Burnham has pledged to reinstate the cancelled HS2 Phase 2 leg between Birmingham and Manchester if he becomes prime minister, reviving a high-speed corridor originally designed for 360km/h operation and released capacity on the West Coast Main Line. The commitment would reopen questions on safeguarding of the former HS2 route, reactivation of major structures such as the planned Crewe hub and Manchester Piccadilly underground station box, and integration with Northern Powerhouse Rail and existing classic-compatible rolling stock strategies.

Arafura Rare Earths is targeting a September construction start on its A$1.23 billion Nolans project, 1,140 km southeast of Darwin, to create Australia’s first fully integrated ore-to-oxide rare earths mine and refinery producing 4,440 tonnes per year of NdPr oxide over a 38-year life. The project, now backed by A$887 million in equity and about $1.01 billion in debt, includes an on-site oxide processing plant accounting for 90% of capex and aims to produce 144,000 tonnes per year of high-purity phosphoric acid byproduct. Offtake deals already cover up to 3,820 tonnes per year of NdPr oxide with Hyundai, Kia, Siemens Gamesa, Traxys and Australia’s Critical Mineral Strategic Reserve, with contracts indexed to non-Chinese rare earth price benchmarks.

Gina Rinehart has taken a “significant stake” in Elon Musk’s SpaceX, with Australian Financial Review valuing the investment at over $1 billion within SpaceX’s record $75 billion IPO, signalling a bet that launch and lunar infrastructure will drive long-term demand for critical minerals. Hancock Prospecting already holds major positions in Lynas Rare Earths and MP Materials, and CEO Garry Korte flagged potential commercial arrangements between these assets and SpaceX. For mining strategists, the move ties terrestrial rare earths and battery metals portfolios directly to NASA’s Artemis timeline, lunar ISRU concepts and early asteroid-mining experiments such as AstroForge’s metallic NEA mission.

Petra Diamonds’ move to place the Finsch mine into business rescue and start a Section 189A retrenchment process at Cullinan has put about 689 and 1,090 jobs respectively at risk, according to South Africa’s National Union of Mineworkers. Business rescue practitioners Daniel Theodorus van Jaarsveld and Luke Bernard Saffy have assumed control at Finsch, where production is being suspended while a creditor-backed restructuring plan is drafted. The cuts follow a four‑year slump in natural diamond demand, with global output expected to drop to about 90 million carats in 2026, the lowest since 1987.

Montage Gold has increased total contained resources at its Koné gold project in Côte d’Ivoire by almost 58%, to 244 million measured and indicated tonnes at 0.8 g/t (6.2 Moz) plus 93 million inferred tonnes at 0.68 g/t (2 Moz), following roughly 330,000 metres of drilling since the 2024 feasibility study. Satellite deposits Gbongogo Main and South and Koban now host 1.6 Moz measured and indicated at 1.51 g/t and 766,000 oz inferred at 1.34 g/t, materially lifting potential head grades for early pit phases. Construction at Koné remains on budget and ahead of schedule, with first gold pour targeted for late Q4 2026 and a further 90,000-metre drill programme in progress across the district.

Gold prices are forecast by UBS to fall a further $300–$900/oz, with strategists Dominic Schnider, Giovanni Staunovo and Wayne Gordon seeing momentum driving the market towards $3,850–$4,000/oz in the near term after a muted reaction to the US–Iran conflict and stronger-than-expected US jobs data. The bank has already cut its year-end target from $5,900 to $5,500/oz after January’s record near $5,600/oz was largely unwound as higher real yields and a possible Fed rate hike weighed on bullion. UBS remains constructive over 12 months, assuming up to 50 bps of Fed cuts in 2027, continued central bank buying and pressure from US fiscal deficits.

Rising resource nationalism and expropriatory measures in African cobalt, copper, gold and lithium projects are driving more investor–state arbitrations, but investors often doubt they can monetise awards against states with limited attachable foreign assets and constrained reserves. Hogan Lovells’ Markus Burgstaller and colleagues with Kroll urge integrating arbitration counsel and asset tracers from the outset to map non-immune assets, using London’s courts and financial infrastructure to target bank accounts, commercial property and bond payment flows. They stress politically sensitive assets, coordinated reputational pressure on lenders and markets, and timing enforcement around government changes to force negotiated settlements rather than purely symbolic seizures.

AbraSilver Resource has reported its best intercept to date at the Teck-funded La Coipita copper-gold porphyry in San Juan, with hole DDH-LC26-010 cutting 747.5 m at 0.69% Cu, 0.06 g/t Au and 142 ppm Mo from 396 m, including 108 m at 1.06% Cu. A second mineralised centre at Yaretas Sur, 1.9 km south, returned 42 m at 1.03% Cu, 0.63 g/t Au and 41 g/t Ag from 264 m, supported by a new magnetotelluric survey suggesting southern extensions. Teck has now drilled 11,270 m in 19 holes and spent about US$23 million, exceeding the US$20 million earn-in threshold toward an 80–20 JV.

Surge Copper’s prefeasibility study for the Berg open pit in central British Columbia lifts post-tax NPV (8% discount) to C$4.6 billion and IRR to 24%, while doubling initial capex to C$4.7 billion compared with the 2023 PEA. The 28-year mine plan now targets 4.9 billion lb copper, 602 million lb molybdenum and 89 million oz silver, underpinned by 1.2 billion tonnes of proven and probable reserves grading 0.22% Cu, 0.026% Mo and 4.1 g/t Ag. Surge is advancing an Indigenous-led assessment with the Office of the Wet’suwet’en alongside permitting and design work.

Ucore Rare Metals has signed a framework agreement with Sumitomo Corp. to secure rare earth feedstock and offtake for Ucore’s Louisiana strategic metals complex (SMC) at England Airpark, Alexandria, which broke ground in May 2025 and will produce high-purity rare earth oxides from multiple global concentrate sources. The deal pairs Ucore’s RapidSX separation technology with Sumitomo’s sourcing, logistics and Japanese market access, with Sumitomo acting as distribution partner for selected middle and heavy rare earths for high-performance magnet and advanced materials users. Ucore also plans to integrate its 100%-controlled Bokan-Dotson Ridge heavy rare earth project in Alaska into this supply chain over the longer term.

Barminco has ordered a 23-unit Sandvik underground fleet for the Bellevue Gold project in Western Australia, comprising seven Toro TH663i trucks, six Toro LH517i loaders, five Sandvik DL432i longhole drills and five additional units yet to be specified. The order, booked in Sandvik’s June quarter 2026 intake, standardises production equipment around the i-series platform, simplifying parts, telemetry and control system integration. For mine planners and maintenance teams, the package signals a high-capacity truck–loader–drill combination geared to rapid ramp-up in a relatively deep, narrow-vein underground gold operation.

China Baowu and Rio Tinto have completed industrial-scale pelletisation and hydrogen-based shaft furnace trials at Baoshan Iron & Steel’s Zhanjiang operations using Rio Tinto’s Pilbara Blend fines. The campaign tested direct reduction-grade pellets in a shaft furnace charged with hydrogen-rich gas, aiming to validate lower-carbon ironmaking routes compatible with existing Baowu infrastructure. Results will inform process design for future DR-grade pellet plants and potential retrofits of blast furnace–basic oxygen furnace lines in China’s coastal steel hubs.

Ora Banda Mining has signed an EPC contract with GR Engineering Services to expand the Davyhurst processing plant in Western Australia to 3 Mt/y capacity under the Davyhurst Mill Expansion Project. GR Engineering, named preferred contractor in May 2026, will deliver detailed engineering, procurement and construction for the upgraded gold circuit, building on the existing Davyhurst mill footprint. The project signals further debottlenecking and throughput upgrades in the Eastern Goldfields, with design choices likely to focus on higher SAG/ball mill power draw and improved classification to sustain 3 Mt/y.

CSIRO has completed a world-first large-scale trial of high-efficiency catalytic ventilation air methane (VAM) abatement at South32’s GM3 Appin underground coal mine in southern New South Wales, using its CataVAM™ catalytic oxidation technology under full production conditions. The system targets the very low methane concentrations typical of mine ventilation exhaust, which are below the flammability limit and difficult to treat with conventional thermal oxidisers. Successful scale-up would allow integration with existing main fans to cut fugitive methane emissions from underground coal operations without major changes to mine layout.

Forsee Power is partnering with Wabtec to integrate its advanced battery systems into Wabtec’s battery-electric locomotive platforms, extending the technology first proven in Wabtec’s 2021 debut of the world’s first battery-electric freight loco. The collaboration targets heavy-haul freight applications, where high-energy, modular battery packs must withstand repeated deep cycling, vibration and thermal loads typical of long consists and harsh climates. For mine operators, this signals accelerating availability of battery-electric mainline and in-pit rail haulage options with zero local diesel emissions and lower ventilation demand.

Mining3 has partnered with project controls specialist InEight to deploy its integrated planning, cost management and risk tools across the CATCH4 (Catalytic Oxidation of Methane) Program, a multi-partner initiative targeting large-scale abatement of fugitive coal mine methane. The cloud-based InEight platform will be used to standardise scope, schedule and cost control across global pilot sites, improving governance of complex R&D, field trials and scale-up works. For engineers, this signals more rigorous stage-gate management, clearer CAPEX/OPEX tracking and better risk quantification on methane capture and oxidation projects.

Tungsten’s recent price spike, driven partly by defence-sector demand, is sharply increasing input costs for tungsten carbide drill bits that control development and production metres in both surface and underground mines. Sandvik, a major supplier of cemented carbide tools and top hammer and down-the-hole drilling systems, is being leaned on by miners to secure stable carbide supply and manage volatility in raw tungsten feedstock. The situation is likely to influence bit selection, drilling economics, and mine planning where high penetration rates and bit life are critical.

Sweden’s Land and Environmental Court has granted LKAB an environmental permit for continued and expanded iron ore mining at Malmberget in Gällivare, securing the regulatory basis for the 135‑year‑old underground operation. The decision enables LKAB to progress its long‑term transformation plans in the Gällivare industrial area, including higher production volumes and associated processing capacity linked to its transition towards fossil‑free iron ore products. Geotechnical and mine planners can now proceed with updated life‑of‑mine designs and ground control strategies under the new permit conditions.