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    Australia gold output holds near decade average: cost and capacity signals for mine planners

    September 22, 2026|

    Reviewed by Tom Sullivan

    Australia gold output holds near decade average: cost and capacity signals for mine planners

    First reported on MINING.com

    30 Second Briefing

    Australian gold production held near its decade average at 303 tonnes (9.7 million oz.) worth about A$60 billion in the year to 30 June, with June-quarter output at 76 tonnes despite a 60,000 oz. drop at Newmont’s Cadia mine after seismic disruptions. Boddington led with 563,000 oz. for the year, ahead of the Super Pit at 480,429 oz. and Tropicana at 478,095 oz., while Northern Star is doubling Super Pit processing capacity to 27 Mtpa from 13 Mtpa. Copper credits are materially shifting cost structures, with Evolution’s 80%-owned Northparkes treating 0.17 g/t Au and 0.57% Cu and reporting a negative AISC of A$10,696/oz.

    Technical Brief

    • Surbiton Associates reports national output rose 4 tonnes year-on-year to 303 tonnes total.
    • June-quarter production increased by nearly 2 tonnes versus the March quarter, reaching 76 tonnes.
    • Several smaller Australian producers either commenced production or ramped up during the June quarter.
    • Smaller mines are relying heavily on toll treatment or direct ore sales to monetise output.
    • Boddington recorded the largest quarter-on-quarter gain among majors, adding 49,000 oz. over March.
    • Tropicana’s quarter-on-quarter increase was 23,000 oz., with Thunderbox–Bronzewing adding 15,500 oz.
    • Seismic disruption at Newmont’s Cadia reduced its quarterly production by 60,000 oz. versus March.
    • Surbiton estimates national gold output would be almost 2 tonnes higher without Cadia’s seismic losses.
    • At Northparkes, ore treated in the June quarter averaged 0.17 g/t Au and 0.57% Cu.
    • Copper prices have risen ~46% year-on-year to US$6.72/lb, amplifying copper-credit impacts on AISC.

    Our Take

    With Australia’s annual gold output valued around A$60 billion, Newmont, Northern Star Resources, Evolution Mining and Gold Fields all feature prominently in our recent coverage of top-50 global miners whose market values have been buoyed by record bullion prices, suggesting Australian production stability is underpinned by strong balance sheets at key operators.

    The very low 0.17 g/t gold but higher 0.57% copper grade reported at Northparkes aligns with our database trend of copper‑leaning polymetallic operations in New South Wales prioritising copper revenue, especially with copper prices up 46%, which likely shifts mine planning and cut-off strategies away from marginal gold tonnes.

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    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.

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