Geomechanics.io

  • Free Tools
Sign UpLog In

Geomechanics.io

Geomechanics, Simplified.

© 2025 Geomechanics.io. All rights reserved.

Geomechanics.io

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

Industries

MiningConstructionTunnelling

Company

Terms of UsePrivacy PolicyLinkedIn
    AllGeotechnicalMiningInfrastructureMaterialsHazardsEnvironmentalSoftwarePolicy
    Projects
    Contract Award
    Product

    Iamgold’s Lemelin and Côté Gold: production, AISC and expansion notes for engineers

    December 26, 2025|

    Reviewed by Joe Ashwell

    Iamgold’s Lemelin and Côté Gold: production, AISC and expansion notes for engineers

    First reported on MINING.com

    30 Second Briefing

    Iamgold COO Bruno Lemelin, named Northern Miner Group’s EY Operator of the Year, has led the Côté open-pit mine in Ontario to commercial production at its 36,000 t/d plant, drawing on 233 Mt at 0.96 g/t for 7.17 Moz over an 18-year life and targeting average output of 365,000 oz/y. Third-quarter production reached 106,000 oz from Côté, Essakane (92,000 oz) and Westwood (23,000 oz), generating US$707 million revenue at an average realised gold price of US$3,492/oz and AISC of US$1,956/oz. Expansion work includes 55 km of drilling at the adjacent Gosselin deposit (4.4 Moz indicated, 3 Moz inferred) to test a “super-pit” concept lifting throughput from 13 Mt/y to up to 20 Mt/y, while Essakane life extension drilling proceeds under Burkina Faso’s tougher 2024 mining code and Côté ramps autonomous haulage and AI-enabled control-room operations.

    Technical Brief

    • First gold pour at Côté occurred in April 2024, following Iamgold’s 2012 takeover of Trelawney Mining.
    • Essakane’s mining department under Lemelin previously managed about 800 personnel producing 400,000 oz gold per year.
    • Third-quarter sales of 203,000 oz generated about US$707 million revenue at realised prices near US$3,492/oz.
    • Year-to-date revenue reached US$1.76 billion, with all-in sustaining costs averaging US$1,956/oz, near guidance ceiling.
    • Lemelin flags cost management and efficiency at Côté as the primary operational focus for the coming year.

    Our Take

    With Côté’s low reserve grade (0.96 g/t) and Gosselin’s even lower indicated and inferred grades (0.85 g/t and 0.75 g/t), Iamgold is clearly committing to a bulk-tonnage, high-throughput operating model, which makes the 13–20 Mt/y plant expansion options pivotal for unit cost control over the 18-year mine life.

    The Essakane lease renewal in 2028, combined with Burkina Faso’s move from a 10% to 15% (and potentially 30%) state stake, means West African cash flow will likely face higher government take just as Côté ramps up, reinforcing the strategic logic of diversifying gold exposure back into Canada.

    The acquisitions of Northern Superior Resources and Mines D’Or Orbec, which nearly triple Iamgold’s footprint in the Chibougamau region, suggest a deliberate build-out of a second Canadian gold hub beyond Côté, aligning with a pattern in our database of mid-tier gold producers consolidating district-scale positions rather than pursuing single-asset bets.

    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

    Historic gold, silver price rally: project economics lens for mine planners
    Mining
    about 5 hours ago

    Historic gold, silver price rally: project economics lens for mine planners

    Gold, silver and platinum hit fresh records on Friday, with spot gold touching $4,540/oz, February Comex futures peaking at $4,584/oz and March silver futures jumping over 9% to $78.30/oz, as palladium surged 13% to above $2,000/oz. Gold is heading for a >70% annual gain, driven by robust central bank buying and ETF inflows, including SPDR Gold Shares (GLD) increasing its holdings by more than 20% and physically backed funds taking in $82 billion (749 tonnes) by 22 December. Silver has rallied 160% in 2025 amid an October short squeeze, ongoing supply dislocations between London and New York vaults, and a pending US Commerce Department probe that could impose tariffs or trade restrictions.

    New York copper price surge and Shanghai record: supply shocks explained for mine planners
    Mining
    about 6 hours ago

    New York copper price surge and Shanghai record: supply shocks explained for mine planners

    Copper prices surged again on Friday, with London Metal Exchange contracts hitting a record $12,282/t before the Christmas break and Shanghai Futures Exchange prices briefly touching 100,000 yuan/t (~$14,270/t), creating a sharp premium over New York. Comex March copper climbed more than 5% to $5.903/lb (~$13,000/t), its highest since July’s short squeeze, as 2025 production was hit by accidents at Grasberg, Kamoa-Kakula and Codelco’s El Teniente. BMO now projects an average $12,500/t by Q2 2026, while Goldman Sachs still sees a 160 kt surplus capping prices at $10,000–$11,000/t.

    B2Gold’s Johnson: Goose and Fekola mine plans – key takeaways for engineers
    Mining
    about 12 hours ago

    B2Gold’s Johnson: Goose and Fekola mine plans – key takeaways for engineers

    B2Gold is closing 2025 with commercial production at the Goose mine in Nunavut, targeting 4,000 tonnes per day and about 300,000 oz. gold annually, while maintaining Fekola output in Mali at 515,000–550,000 oz. under a split open-pit/underground plan. CEO Clive Johnson is leveraging his Bema Gold experience in remote Russia to manage Goose’s long, seasonal ice-road supply chain and complex permitting under Mali’s 2023 mining code for trucking satellite ore to the Fekola mill. Additional growth options include the Antelope underground discovery at Otjikoto in Namibia (1.75 Mt at 6.91 g/t for ~390,000 oz.) and a 9.9% strategic stake in Snowline Gold’s Valley project in the Yukon.

    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.