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Minesites Directory

Browse minesites. Each card shows company ownership and their most recent associated articles.

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Page 9 of 147 (3508 total)
Copper Coast

South Australia, Australia · Underground

Under Development
Copper
Companies & ownership
  • IGO Limited
    ASX:IGO
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Kimberley

Western Australia, Australia · Underground

Under Development
CopperNickel
Companies & ownership
  • IGO Limited
    ASX:IGO
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Cosmos Project

Western Australia, Australia · Underground

Care And Maintenance
Nickel
Commodities, grades and output
YearCommodityAv. GradeOutput
2024Nickel14.77 %18200 t
Workforce
The move to care and maintenance resulted in an impact on the workforce, including redundancies. Specific figures regarding the number of employees or redundancies have not been publicly released.
Production
Production overview - 2024: nickel 18200 t.
Processing
The Cosmos Project includes a partly new and refurbished sulphide concentrator with a nominal capacity of 1.1 million tonnes per annum. The plant achieved this instantaneous processing rate during commissioning.
Expansion
IGO Limited transitioned the Cosmos Project to care and maintenance in June 2024 due to a reduced expected mine life, delays in reaching full production capacity, and increased operating and capital costs, influenced by a weak nickel market. The transition was completed by 31 May 2024, including wet commissioning of the processing plant and processing existing ore. IGO intends to maintain the option to restart Cosmos if market conditions improve and is assessing potential for gold and other minerals.
Companies & ownership
  • IGO Limited
    ASX:IGO
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Forrestania Gold Project

Western Australia, Australia · Underground

Care And Maintenance
GoldCopper
Overview
The Forrestania Operation, previously a nickel mine operated by IGO Limited, was sold to Medallion Metals Limited on 2 March 2026 and renamed the Forrestania Gold Project. Production ceased in September 2024, and it is now on care and maintenance. Medallion plans to repurpose the Cosmic Boy processing plant for regional gold and copper assets. IGO retained nickel and lithium exploration rights and a 1.5% net smelter return royalty on future gold production.
Processing
Cosmic Boy processing plant
Companies & ownership
  • Medallion Metals Limited
  • IGO Limited
    ASX:IGO
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Nova Operation

Western Australia, Australia · Underground

Operating
NickelCopperCobalt
Commodities, grades and output
YearCommodityAv. GradeOutput
2025Nickel-16371 t
2025Copper-7324 t
2025Cobalt-581 t
2024Nickel-20806 t
2024Copper-9922 t
2024Cobalt-735 t
2023Nickel-22915 t
2023Copper-10266 t
2023Cobalt-803 t
2022Nickel1.85 %26675 t
2022Copper0.75 %11483 t
2022Cobalt0.07 %982 t
2020Nickel-30436 t
2020Copper-13772 t
2020Cobalt-1142 t
Opened
2017-01-01
End year
2026
Workforce
The Nova Operation relies on a combination of local and Fly-In-Fly-Out (FIFO) workforce arrangements.
Overview
The Nova Operation is located in the Fraser Range, approximately 160km east-northeast of Norseman in Western Australia. The operation consists of two underground orebodies, Nova and Bollinger. The Nova deposit was discovered in July 2012, with mine development commencing in January 2015 and commercial production starting in July 2017. In March 2025, IGO announced that the Nova Operation is expected to cease operations in late 2026. The company is planning for the mine's closure, with the submission of a final Mine Closure Plan anticipated for mid-2026.
Production
Production overview - 2025: nickel 16371 t, copper 7324 t, cobalt 581 t; 2024: nickel 20806 t, copper 9922 t, cobalt 735 t.
Processing
The operation has a processing plant that produces saleable nickel and copper concentrates. The processing infrastructure includes a wastewater treatment plant for recycling treated effluent for concentrate washing and a reverse osmosis plant. The mine also utilises paste backfill.
Equipment
The mine utilises an underground mining fleet. A workshop on site is equipped to service CAT excavators and loaders.
Companies & ownership
  • IGO Limited
    ASX:IGO
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Cosmos Project

Western Australia, Australia · Underground

Care And Maintenance
Nickel
Commodities, grades and output
YearCommodityAv. GradeOutput
2024Nickel14.77 %18200 t
Opened
2000-01-01
Workforce
179 people (underground mining services contractor Barminco)
Overview
The Cosmos Project, acquired by IGO Limited in June 2022, is an underground nickel-cobalt mine in Western Australia. Mining commenced in 2000. Following a review due to reduced mine life, delays, and increased costs amidst falling nickel prices, the project transitioned to care and maintenance in June 2024, with processing operations ceasing in May 2024. IGO intends to preserve the option to restart if market conditions improve.
Production
Production overview - 2024: nickel 18200 t.
Processing
Sulphide concentrator upgraded to 1.1 Mtpa capacity, including new primary, secondary, and tertiary crushing and screening circuits, a new primary mill, refurbished secondary and regrind mills, new and refurbished flotation circuits (roughers, cleaners, and cleaner scavengers), a refurbished concentrate thickener, a new tailings thickener, and a new concentrate filter.
Equipment
Sulphide concentrator, primary, secondary, and tertiary crushing and screening circuits, primary mill, secondary and regrind mills, flotation circuits (roughers, cleaners, cleaner scavengers), concentrate thickener, tailings thickener, concentrate filter.
Expansion
Processing plant upgraded to 1.1 Mtpa capacity, including new crushing, milling, and flotation circuits.
Companies & ownership
  • IGO Limited
    ASX:IGO
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Cosmos Project

Western Australia, Australia · Underground

Care And Maintenance
NickelCobaltCopper
Opened
2023-01-01
Capex (est.)
USD 106.70M
Overview
IGO Limited transitioned the Cosmos Project into care and maintenance in June 2024 due to reduced mine life, delays, increased costs, and declining nickel prices. The company aims to preserve the option to restart if market conditions improve and is assessing further exploration.
Production
Processing plant has a nominal capacity of 1.1 million tonnes per annum. Nearly 295,000 tonnes of ore from the Odysseus mine were processed prior to ceasing operations on 22 May 2024.
Processing
refurbished and upgraded processing plant, first nickel concentrate produced, processing of existing ore stockpiles. The processing plant has a nominal capacity of 1.1 million tonnes per annum.
Equipment
all-electric underground fleet, 63-tonne trucks, loaders, ancillary and light vehicles
Expansion
IGO is assessing further exploration programs to potentially increase the mineral resource, with a focus on the AM5 and AM6 orebodies. The company intends to preserve the option to restart the project if market conditions improve.
Companies & ownership
  • IGO Limited
    ASX:IGO
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Kwinana Lithium Hydroxide Refinery

Western Australia, Australia · Processing Facility

Operating
Lithium
Commodities, grades and output
YearCommodityAv. GradeOutput
2025Lithium-6782 t
2024Lithium-3508 t
Opened
2022-01-01
Production
Production overview - 2025: lithium 6782 t; 2024: lithium 3508 t.
Processing
The refinery processes spodumene concentrate from the Greenbushes mine to produce battery-grade lithium hydroxide. The process involves calcining, acid roasting, leaching, purification, and crystallisation. Train 1 has a nameplate capacity of 24,000 tonnes per annum. The plant has faced ongoing operational issues and has operated well below its capacity. It reached 46% of nameplate capacity in the September 2025 quarter. A major shutdown was performed in October 2024 for maintenance and to implement debottlenecking projects. In March 2026, the refinery's operating licence was renewed by the state government despite ongoing community complaints about dust and odours.
Expansion
IGO has fully impaired its 49% stake in the refinery to zero and sees no viable path forward for the asset, citing structurally high energy and labour costs in Australia. IGO's preference is for the operation to be mothballed. In January 2025, IGO and Tianqi agreed to cease all works and activities on a second production train (Train 2). Despite IGO's position, the majority owner Tianqi has stated it has no plans to suspend operations, considering the refinery a "very important part" of its "international strategy". Negotiations between the joint venture partners about the future of the refinery are ongoing.
Companies & ownership
  • Tianqi Lithium Corporation
  • IGO Limited
    ASX:IGO
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Forrestania Operation

Western Australia, Australia · Underground

Closed
Nickel
Companies & ownership
  • IGO Limited
    ASX:IGO
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Cosmos Project

Western Australia, Australia · Underground

Care And Maintenance
NickelCopperCobalt
Processing
The processing plant uses tertiary crushing, ball milling, and froth flotation to produce a nickel concentrate. The concentrate is then reground prior to cleaner flotation, and the final concentrate is filtered.
Companies & ownership
  • IGO Limited
    ASX:IGO
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Kwinana Lithium Hydroxide Refinery

Western Australia, Australia · Processing Facility

Operating
Lithium
Companies & ownership
  • IGO Limited
    ASX:IGO
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Greenbushes Lithium Mine

Western Australia, Australia · Open Pit

Operating
Lithium
Companies & ownership
  • IGO Limited
    ASX:IGO
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Nova Operation

Western Australia, Australia · Underground

Operating
NickelCopperCobalt
Companies & ownership
  • IGO Limited
    ASX:IGO
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Casa Berardi

Quebec, Canada · Underground

Closed
Gold
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Kinskuch

British Columbia, Canada · Underground

Under Development
SilverGoldLeadZinc
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Libby Exploration Project (Montanore)

Montana, United States · Underground

Under Development
SilverGoldLeadZinc
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Rock Creek

Montana, United States · Underground

Under Development
SilverGoldLeadZinc
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Aurora

Nevada, United States · Open Pit

Under Development
GoldSilver
Processing
The project is supported by existing infrastructure, including a 600-t/d mill.
Expansion
Hecla Mining's wholly-owned subsidiary, Klondex Aurora Mine Inc., has received a Finding of No Significant Impact and a Decision Notice from the U.S. Forest Service for the Polaris Exploration Project. This clears the way for exploration activities to commence in 2026. The 2026 exploration program will test multiple epithermal vein systems. Near-surface targets include Martinez, Juniata and Ann, while deeper preserved systems at Brawley Peak, Sawtooth Ridge and Polaris will also be drilled. Over the past three years, Hecla has consolidated land positions, compiled historical datasets and refined district-scale structural and geochemical models to define new targets.
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Monte Cristo

Nevada, United States · Open Pit

Under Development
GoldSilver
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Hollister

Nevada, United States · Underground

Under Development
SilverGoldLeadZinc
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
View on map
Fire Creek

Nevada, United States · Underground

Under Development
SilverGoldLeadZinc
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Silver Valley / Star

Idaho, United States · Underground

Under Development
SilverLeadZinc
Overview
The Silver Valley / Star project is an exploration-stage asset located near Wallace, Idaho. It is part of Hecla Mining's renewed exploration focus within the historically prolific Silver Valley district. The company is initiating expanded exploration across its land package in the area, targeting extensions of existing ore deposits as well as new discoveries.
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Rackla Gold Property

Yukon, Canada · Open Pit

Feasibility
Gold
Processing
The 2020 Preliminary Economic Assessment for the Tiger Project proposed conventional crushing, grinding, and cyanidation by carbon-in-pulp (CIP) to produce gold doré.
Expansion
Hecla Mining Company has outlined a strategic plan for the Rackla Gold Property which includes a desktop review in 2025 and a comprehensive exploration program planned for 2026. The property is described as a massive land package of over 650 square miles with multiple mineralization styles and numerous prospects at various stages of advancement.
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Republic

Washington, United States · Underground

Under Development
GoldSilver
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Page 9 of 147 (3508 total)