Geomechanics.io

  • Free Tools
Sign UpLog In

Geomechanics.io

Geomechanics, Streamlined.

© 2026 Geomechanics.io. All rights reserved.

Geomechanics.io

CMRR-ioGEODB-ioHYDROGEO-ioQCDB-ioFree Tools & CalculatorsBlogLatest Industry News

Industries

MiningConstructionTunnelling

Company

Terms of UsePrivacy PolicyLinkedIn
    Projects
    Failure
    Safety

    BHP hit with $253m UK legal costs demand: tailings failure lessons for engineers

    December 19, 2025|

    Reviewed by Joe Ashwell

    BHP hit with $253m UK legal costs demand: tailings failure lessons for engineers

    First reported on MINING.com

    30 Second Briefing

    BHP faces a demand for at least £189 million ($253 million) in legal costs in the UK after being found liable for the 2015 Mariana tailings dam collapse at the Samarco iron ore mine in Minas Gerais, which killed 19 people and caused Brazil’s worst environmental disaster. The claim covers legal fees plus about £44 million spent on walk-in centres and call centre staff to communicate with roughly 620,000 affected people, and sits alongside a £36 billion ($48 billion) damages claim set for trial in October 2026. BHP is seeking permission to appeal, calling the costs “shocking” and pushing to defer any ruling on costs until after the damages phase.

    Technical Brief

    • UK claimants’ cost schedule includes about £44 million for walk‑in centres and call centres for ~620,000 people.
    • Overall legal cost demand of at least £189 million is among the largest in British legal history.
    • Damages phase in the UK is scheduled for October 2026, with liability already determined in principle.
    • BHP is seeking permission to appeal and has asked the High Court to defer final cost rulings.
    • Dispute centres on proportionality of claimant law firm Pogust Goodhead’s spending and transparency of cost breakdowns.
    • Parallel Australian shareholder class action over the same dam failure saw law firms’ fee share lifted from 15% to 50%.
    • For similar tailings failures, investigations typically combine breach back‑analysis, piezometric reconstruction, and independent review of design, construction and operational controls.
    • Long‑term remediation and safety management usually require downstream water and sediment monitoring, dam stability reassessment, and upgraded emergency warning and evacuation protocols.
    • Scale of legal exposure is likely to drive stricter corporate governance and independent oversight of tailings storage facility safety across large miners.

    Our Take

    In our database of 383 mining stories, BHP features heavily on the growth side – for example with the US$840 million Olympic Dam copper expansion and the WAIO power-network deal – so a £36 billion damages claim tied to the Samarco iron ore failure sits in sharp contrast to its current capital-allocation narrative.

    The scale of the UK claim linked to the Mariana dam failure could influence how BHP prices legal and ESG risk into new iron ore and copper projects, particularly in Brazil and Argentina, where permitting and community consent for tailings and water infrastructure are already among the most scrutinised in South America.

    Given projections in our coverage that copper may enter structural deficit from 2026, prolonged legal overhangs for BHP around Samarco could subtly shift its portfolio emphasis toward lower-liability copper assets such as Olympic Dam, while making high-stakes greenfield projects like San Jorge in Mendoza harder to advance without stronger social licence safeguards.

    Geotechnical Software for Modern Teams

    Centralise site data, logs, and lab results with GEODB-io, CMRR-io, and HYDROGEO-io.

    No credit card required.

    • Save and export unlimited calculations
    • Advanced data visualisation
    • Generate professional PDF reports
    • Cloud storage for all your projects

    Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

    Related Articles

    Scope Systems cyber attack: resilience and risk lessons for mining IT teams
    Mining
    about 12 hours ago

    Scope Systems cyber attack: resilience and risk lessons for mining IT teams

    A ransomware attack on Perth-based Scope Systems’ Pronto Xi ERP cloud stack disrupted dozens of mining customers, including Northern Star Resources and Evolution Mining, in what MM‑ISAC’s Rob Labbe calls the broadest single third‑party cyber event the sector has seen. Scope says client servers were restored from backups and not directly accessed, but admits internal data was exfiltrated and has not disclosed the attack vector, raising questions about visibility at hypervisor, storage and backup layers. The incident spotlights how multi‑tenant vCenter/ESXi environments, VM cloning and snapshot abuse—already used by groups like Akira—could expose integrated exploration, production and maintenance data across more than 400 Pronto Xi‑reliant mining operations.

    Newmont’s Red Chris underground expansion: block cave design and capex notes for engineers
    Mining
    about 12 hours ago

    Newmont’s Red Chris underground expansion: block cave design and capex notes for engineers

    Newmont’s Red Chris mine in British Columbia has secured an amended Environmental Assessment Certificate and Mines Act permit, allowing a shift from open-pit to underground block caving and extending operations into the mid-2040s. The copper-gold porphyry deposit in the Golden Triangle hosts an estimated 20 million oz of gold and 13 billion lb of copper, with the block cave expected to lift Canada’s copper output by about 15%. The project entails several billion dollars in capital, around 1,800 construction jobs and roughly 1,500 operating roles at peak.

    Goldman cuts gold price forecast to US$4,900: planning notes for mine projects
    Mining
    about 12 hours ago

    Goldman cuts gold price forecast to US$4,900: planning notes for mine projects

    Goldman Sachs has cut its end‑2026 gold price forecast by US$500/oz to US$4,900/oz after the US Federal Reserve, under new chair Kevin Warsh, signalled a hawkish shift that has pushed market-implied December rate hike odds to 87%. Spot gold has already fallen to about US$4,100/oz, down 27% from its near‑US$5,600/oz January peak, with three consecutive monthly losses between March and May and a 4% year‑to‑date decline. Goldman warns a 2026 year‑end target as low as US$4,400/oz is possible if rates rise, partly offset by ongoing central‑bank buying of roughly 50 tonnes/month this year and 40 tonnes/month next year.

    Related Industries & Products

    Mining

    Geotechnical software solutions for mining operations including CMRR analysis, hydrogeological testing, and data management.

    Construction

    Quality control software for construction companies with material testing, batch tracking, and compliance management.

    CMRR-io

    Streamline coal mine roof stability assessments with our cloud-based CMRR software featuring automated calculations, multi-scenario analysis, and collaborative workflows.

    HYDROGEO-io

    Comprehensive hydrogeological testing platform for managing, analysing, and reporting on packer tests, lugeon values, and hydraulic conductivity assessments.

    GEODB-io

    Centralised geotechnical data management solution for storing, accessing, and analysing all your site investigation and material testing data.

    AllGeotechnicalMiningInfrastructureMaterialsHazardsEnvironmentalSoftwarePolicy