Company knowledge base · Gold
Northern Star Resources
An Australian gold producer operating major open-pit and underground production centres across Western Australia's Goldfields and Yandal regions.
At a glance
Kalgoorlie and Yandal · Western Australia
Northern Star groups its producing portfolio into Kalgoorlie, Yandal and Pogo production centres. This Australian guide breaks out the Western Australian mines and the Hemi development project; the Pogo operation in Alaska is outside scope.
This independent summary does not imply affiliation with the operator. Operational status, ownership and mine plans can change; follow the linked company sources for current detail.
Mine and project directory
8 Australian operations, mapped in plain English.
Operating mines are separated from development, care-and-maintenance and rehabilitation assets. Status and mine plans can change, so each profile links to the operator's current record.
KCGM Operations
KCGM includes the Fimiston open pit, known as the Super Pit, plus Mt Charlotte and Fimiston underground mines and the Fimiston and Gidji processing plants.
- Mine type
- Open pit + underground
- Operating system
- Large owner-operated open-pit movements and underground long-hole stoping and sublevel caving feed an expanding regional processing system.
- Workforce lens
- Around 1,680 employees reported, with residential and FIFO options across mining, processing, maintenance, projects and technical services.
Kanowna Belle Operations
A long-running underground gold mine within Northern Star's Kalgoorlie Operations, producing through modified open stoping with paste backfill.
- Mine type
- Underground
- Operating system
- Underground ore feeds the adjacent Kanowna Belle plant, which can use flotation, roasting and carbon-in-leach processing routes.
- Workforce lens
- Residential and FIFO underground mining, paste, processing, electrical, mechanical, geology, survey and planning roles.
South Kalgoorlie Operations
Mining is focused on the HBJ underground deposit, using top-down long-hole open stoping and paste fill. The Jubilee mill remains on care and maintenance.
- Mine type
- Underground · HBJ mine
- Operating system
- HBJ underground development and stoping operate within a regional ore-treatment strategy rather than relying on the idled Jubilee mill.
- Workforce lens
- Northern Star Mining Services provides mining, supported by residential and FIFO technical, maintenance and operational teams.
Carosue Dam Operations
The Carosue Dam and Porphyry mining centres combine Karari-Dervish and Porphyry underground work with satellite open-pit production.
- Mine type
- Open pit + underground
- Operating system
- Underground and open-pit ore is hauled to the 4 Mtpa Carosue Dam CIL plant; some satellite ore moves by road train.
- Workforce lens
- About 400 employees reported on a FIFO basis, alongside contractor underground mining and owner technical and support teams.
Jundee Operations
Ore is sourced from the main Jundee and Ramone underground mines with supplementary open-pit feed. Jundee is the primary source for the onsite plant.
- Mine type
- Open pit + underground
- Operating system
- Long-hole open stoping and satellite haulage feed a conventional 3 Mtpa CIL processing circuit.
- Workforce lens
- About 450 employees reported on FIFO arrangements, plus contractor and Northern Star Mining Services underground crews.
Thunderbox Operations
The Thunderbox system includes underground and open-pit production, plus Otto Bore, Wonder underground and supplementary Orelia ore.
- Mine type
- Open pit + underground
- Operating system
- Truck-shovel and mechanised underground mining feed the expanded 6 Mtpa Thunderbox CIL plant.
- Workforce lens
- About 420 employees reported on FIFO arrangements, with owner mining, contractors and Northern Star Mining Services all represented.
Bronzewing Operations
Current mining is centred on the Orelia open pit. The Bronzewing mill remains on care and maintenance, so ore moves to Thunderbox instead.
- Mine type
- Open pit · Orelia
- Operating system
- Conventional truck-and-excavator mining with ore hauled on private roads by off-highway road trains to the Thunderbox plant.
- Workforce lens
- Around 140 employees reported across a mix of owner-operated and contractor mining, haulage, maintenance and support.
Hemi Development Project
A large-scale gold development acquired with De Grey Mining in 2025. It is a project rather than a producing mine and should be tracked through current approvals and investment decisions.
- Mine type
- Proposed open pit
- Operating system
- The published concept centres on large open pits with possible underground and regional growth; final execution and operating arrangements remain project-dependent.
- Workforce lens
- Study, approvals, heritage, environment and early works precede any larger construction and operating workforce.
Follow the commodity
Gold mine to refinery
See how extraction, processing, transport and the final customer handover differ from the Pilbara iron ore model.
Workforce lens
Roles across the operating chain.
Job titles, rosters, residential requirements and contractor arrangements differ by site. Use the employer's current advertisement and position description.
Sources
Start with the operator.
Checked 30 August 2026. Company pages and mine plans change; these links are the current primary reference points.
Official company website ↗
