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
    Sustainability
    Contract Award

    Giga Metals–Arca Turnagain nickel deal: CO₂ mineralisation lens for mine planners

    January 15, 2026|

    Reviewed by Tom Sullivan

    Giga Metals–Arca Turnagain nickel deal: CO₂ mineralisation lens for mine planners

    First reported on MINING.com

    30 Second Briefing

    Giga Metals and Arca Climate Technologies have signed a 10‑year agreement giving Arca exclusive access to tailings and approximately 1.3 billion tonnes of ultramafic waste rock at the Turnagain nickel project in British Columbia to test large‑scale carbon mineralisation. Using its proprietary Industrial Mineralization process on olivine-, serpentine- and brucite‑rich material, Arca estimates lifetime potential to remove up to 220 million tonnes of CO2 by converting mine waste to stable carbonate minerals. The work will include sampling, pilot‑scale trials and techno‑economic studies aimed at integrating permanent CO2 sequestration into Turnagain’s nickel concentrate production economics.

    Technical Brief

    • Agreement spans 10 years, covering both mine tailings and ultramafic waste rock access.
    • Turnagain is being advanced by Giga Metals in partnership with Mitsubishi, indicating major-project scale.
    • Initial mineral sequestration tests were run in 2021 at the University of British Columbia laboratories.
    • Carbonation mechanism relies on atmospheric exposure of tailings, forming stable carbonate minerals over geological timescales.
    • Key reactive minerals identified at Turnagain are olivine (Mg2SiO4), serpentine (Mg3Si2O5(OH)4) and brucite (Mg(OH)2).
    • Arca’s work programme includes systematic sampling, laboratory analysis, pilot-scale trials and full techno‑economic assessments.
    • Co‑benefits flagged include waste valorisation and improved mine-site sustainability performance beyond CO2 removal alone.

    Our Take

    Within our 598 Mining stories, very few nickel items in Canada combine mine development with quantified carbon dioxide removal potential, so Turnagain’s 220 Mt CO2 figure positions Giga Metals at the more aggressive end of ‘carbon-negative’ mine design concepts.

    Giga Metals’ modest market capitalisation of about C$17.7 million suggests that, if Arca’s ultramafic-based CO2 removal at the Turnagain deposit proves technically bankable, the implied carbon-credit or offtake upside could be disproportionately material to the company’s valuation compared with larger nickel peers in our database.

    The focus on ultramafic minerals such as olivine, serpentine and brucite at the Turnagain nickel project aligns with a small cluster of sustainability-tagged items in our coverage where mine waste is engineered as a carbon sink, signalling that tailings and waste-rock design is becoming a core part of critical minerals project economics rather than an afterthought.

    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
    1 day 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
    1 day 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
    1 day 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.

    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