Geomechanics.io

  • Free Tools
Sign UpLog In
Built byBoxcut Studio

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

    New Pacific Metals’ Carangas PEA update: economics and mine plan notes for engineers

    July 23, 2026|

    Reviewed by Tom Sullivan

    New Pacific Metals’ Carangas PEA update: economics and mine plan notes for engineers

    First reported on MINING.com

    30 Second Briefing

    New Pacific Metals has updated the PEA for its Carangas silver-gold-zinc-lead project in Bolivia, outlining a 19-year life of mine (plus two years’ pre-production) with total output of 195 Moz payable silver, 1.1 Moz gold, 1,453 Mlb zinc and 941 Mlb lead (339 Moz AgEq). The study gives a post-tax NPV of $3.23 billion and IRR of 37.0% at $5,100/oz gold, with initial capex of $644.5 million, LOM capex of $1.2 billion and a 2.4-year payback. Average AISC is $18.25/oz AgEq, with silver-dominant production of 15.5 Moz/year in years 1–8 before transitioning to 7.6 Moz Ag and 142.7 koz Au per year in years 9–16.

    Technical Brief

    • Updated PEA increases plant throughput and explicitly incorporates the separate gold zone into mine planning.
    • Base-case economics assume $45/oz Ag, $3,400/oz Au, $1.20/lb Zn and $0.90/lb Pb.
    • Upside case at $67.50/oz Ag (other metals constant) yields $16 billion NPV and 51.5% IRR.
    • Ore extraction is scheduled only in years 1–16, with years 17–19 fed entirely from stockpiles.
    • Pre-gold period AISC is $12.11/oz Ag net of by-product credits, indicating strong early cash margins.
    • Growth capital totals $422.7 million and sustaining capital $166.5 million within the $1.2 billion LOM capex.
    • Closure expenditure is estimated at $149.8 million, implying substantial allowance for rehabilitation and long-term care.

    Our Take

    With initial capital costs of about US$644.5 million and a post-tax payback of 2.4 years, Carangas sits in the upper tier of Latin American silver-gold projects in our database in terms of capital intensity but compensates with unusually rapid capital recovery, which can be attractive to lenders in a jurisdiction like Bolivia.

    The inclusion of Cobre Panama’s 2023 shutdown in the key metrics underlines how large-scale closures elsewhere in Latin America can tighten regional concentrate treatment capacity, which may influence offtake terms for Carangas’ lead and zinc by-products over its 19-year life-of-mine.

    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

    McEwen’s $55M Ontario asset sale: production growth lens for mine planners
    Mining
    1 day ago

    McEwen’s $55M Ontario asset sale: production growth lens for mine planners

    McEwen has agreed to sell its Fuller and Paymaster gold properties in Ontario’s Timmins district to Discovery Mining for $55 million in cash and stock, freeing capital to push a production target of 250,000–300,000 gold-equivalent ounces per year by 2030. The deal covers 210 hectares at Fuller, a 60% stake in the 179-hectare Paymaster property, and associated surface rights, consolidating Paymaster under Discovery’s Dome Mine subsidiary. Proceeds will be reinvested into the Fox Complex (Froome, Stock, Grey Fox), Nevada’s Gold Bar Complex, and Mexico’s El Gallo build, with Stock Mine slated for first ore in Q4 2026 and commercial output in Q1 2027.

    Lithium Triangle extraction hurdles: hydrogeological insights for project teams
    Mining
    1 day ago

    Lithium Triangle extraction hurdles: hydrogeological insights for project teams

    South America’s Lithium Triangle holds about 64 million tonnes of identified lithium resources (43% of the global 150 million tonnes), yet geologist José Cabello’s review of 43 salt flats across Argentina, Bolivia and Chile shows that variable brine chemistry, impurities and groundwater behaviour make recovery and costs highly site-specific. Salar de Atacama benefits from ultra‑dry climate, relatively clean brines and strong logistics, while other basins such as Altoandinos, Pedernales, Hombre Muerto Oeste, Rincón, Sal de los Ángeles and Sal de Vida face tighter water and hydrogeological constraints. Direct lithium extraction (DLE) could unlock lower‑grade or impurity‑rich brines, but Cabello stresses that trade‑offs between brine withdrawal and freshwater consumption mean technology selection must be tailored to each basin’s hydrology and ecosystem.

    KGHM’s $2.4bn copper projects fast-tracked: CRMA implications for mine planners
    Mining
    1 day ago

    KGHM’s $2.4bn copper projects fast-tracked: CRMA implications for mine planners

    EU regulators have granted strategic status under the Critical Raw Materials Act to KGHM’s 9.5‑billion‑zloty ($2.44bn) Retków‑Grodziszcze mine and Legnica smelter conversion, unlocking faster permitting, streamlined administration and access to preferential financing. Retków‑Grodziszcze is planned to deliver over 100 million tonnes of ore by 2055, yielding about 1.5 million tonnes of copper and 5,000 tonnes of silver, while Legnica’s recycling line targets 135,000 tonnes of electrolytic copper and 250 tonnes of nickel per year. The move materially boosts EU copper and nickel recycling capacity, central to the CRMA’s 25% recycling target.

    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.

    AllGeotechnicalInfrastructureHazardsEnvironmental