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Minesites Directory

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

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Page 4 of 147 (3507 total)
Bulyanhulu

Shinyanga Region, Tanzania · Underground

Operating
GoldSilverCopper
Companies & ownership
  • Barrick Gold Corporation
    TSX:ABX · NYSE:B
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Troy Mine

Montana, United States · Underground

Closed
SilverCopper
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Rock Creek

Montana, United States · Underground

Under Development
SilverCopper
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
View on map
Rackla

Yukon, Canada · Underground

Feasibility
Gold
Commodities, grades and output
YearCommodityAv. GradeOutput
2025Gold-1164000 oz
Overview
The Rackla property is an advanced-stage exploration project located in the Yukon, Canada. Acquired by Hecla Mining Company in July 2023, the property is a large land package of over 700 square miles with identified gold, silver, and base metal mineralisation. Hecla is conducting a desktop review of the project in 2025 and plans a comprehensive exploration program for 2026.
Production
Production overview - 2025: gold 1164000 oz.
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Casa Berardi

Quebec, Canada · Underground

Operating
Gold
Commodities, grades and output
YearCommodityAv. GradeOutput
2025Gold-91160 oz
Opened
1988-01-01
Mine life
14 years
Overview
The mine has been transitioning to a surface-only operation. Since operations began in 1988, the mine has produced over 3.2 million ounces of gold. Production from the last five years has averaged approximately 105,000 ounces per year.
Production
Production overview - 2025: gold 91160 oz.
Processing
Metallurgical recovery for gold was 85%.
Expansion
Orezone plans to invest in exploration and development to extend the mine life. A multi-year exploration drilling program of 80,000 to 100,000 metres per year is planned to target high-grade extensions and delineate near-mine mineralisation.
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
  • Orezone Gold Corporation
    ASX:ORE · TSX:ORE · OTC:ORZCF
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Monte Cristo

Nevada, United States · Open Pit

Under Development
GoldSilver
Commodities, grades and output
YearCommodityAv. GradeOutput
2025Gold0.094 oz/t-
2024Gold0.1 oz/t-
2021Gold0.06 oz/t-
Processing
Metallurgical recovery for inferred resources is reported at 85% for gold and 85% for silver as of February 2026. Earlier reports from 2021, 2024 and early 2025 noted a metallurgical recovery of 90% for both gold and silver.
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Midas

Nevada, United States · Underground

Care And Maintenance
GoldSilver
Commodities, grades and output
YearCommodityAv. GradeOutput
2018Gold-422 kg
2017Gold0.33 oz/t51785.91 oz
Opened
1998-01-01
End year
2019
Workforce
The workforce in 2023 consisted of 8 employees, with another source stating 137 workers.
Overview
The Midas mine is a high-grade, underground gold and silver mine located in Elko County, Nevada, fully owned and operated by Hecla Mining Company through its subsidiary, Klondex Midas Operations Inc. The project is situated on a land package of approximately 30,000 acres and is recognised as the largest known gold-silver epithermal deposit along the Northern Nevada Rift.
Production
Historically, the mine has produced 2.2 million ounces of gold and 27 million ounces of silver. Production in 2018 was 422 kg of gold, and in 2017 it was 51,785.91 oz of gold. A 2020-2021 Sinter discovery reported an inferred resource of 169,000 ounces of gold and 1.7 million ounces of silver.
Processing
The site is equipped with a fully permitted Merrill-Crowe processing facility, which includes a conventional mill with a capacity of 1,200 tonnes per day. The processing circuit involves crushing, grinding, gravity separation, cyanide leaching, and a Merrill-Crowe recovery circuit to produce doré bullion. The mill has also been used to process ore from other Hecla mines in the region. The infrastructure includes a crushing plant, a refinery, a cyanide destruction circuit, and two tailings impoundments. Mining methods previously employed include cut and fill, longhole stoping, and drift and fill.
Equipment
Underground equipment includes Tamrock and Caterpillar loaders, Caterpillar haul trucks, and Sandvik and Atlas Copco jumbo drills.
Expansion
Hecla Mining is actively engaged in significant exploration activities to de-risk a potential restart of operations. The company nearly doubled its exploration and pre-development budget for its Nevada projects to $55 million for 2026, following a $25.2 million investment in exploration and $2.5 million in pre-development in 2025. A 2025 drilling program confirmed mineralised structures in five of six targets, leading to high-grade gold discoveries at the previously untested Pogo Trend and the Sinter Vein Extension. Follow-up drilling in 2026 yielded another high-grade intercept of 0.46 oz/ton gold and 0.9 oz/ton silver over 6.1 feet. The company is evaluating the existing infrastructure for refurbishment, which would allow for a restart with a significantly lower capital intensity.
Water sources
Groundwater
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Fire Creek

Nevada, United States · Underground

Care And Maintenance
GoldSilver
Commodities, grades and output
YearCommodityAv. GradeOutput
2023Gold-683 oz
2017Gold-107143 oz
2017Silver-72283 oz
Workforce
2 (as of 2024)
Overview
The Fire Creek Mine, located in Lander County, Nevada, is operated by Hecla Mining Company. It has been on care and maintenance since the second quarter of 2021, after processing the remaining non-refractory ore stockpile. As part of Hecla's Nevada portfolio, the Fire Creek property is undergoing a reassessment in 2025 to re-rank its priority within the company's assets. Hecla continues to evaluate the potential for a restart based on exploration success and future development. The mine has historical production from both high-grade epithermal veins and structurally controlled refractory sulfide mineralisation.
Production
Production overview - 2023: gold 683 oz.
Processing
Primary mining methods include longhole stoping, cut and fill, back stoping, and drift and fill. Ore was processed at the Midas mill, which utilised grinding, gravity concentration, cyanidation, Carbon-in-Leach (CIL), and Merrill-Crowe precipitation.
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Casa Berardi

Quebec, Canada · Open Pit

Operating
GoldSilver
Commodities, grades and output
YearCommodityAv. GradeOutput
2024Gold-86648 oz
2024Silver-24231 oz
Opened
1988-01-01
Overview
The Casa Berardi mine, located in Quebec, Canada, has produced over 3.2 million ounces of gold since its opening in 1988. Formerly operated by Hecla Mining Company, it was acquired by Orezone Gold Corporation on March 25, 2026. Hecla had initiated a transition to a surface-only mining operation.
Production
Production overview - 2024: gold 86648 oz, silver 24231 oz.
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
  • Orezone Gold Corporation
    ASX:ORE · TSX:ORE · OTC:ORZCF
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Lumwana Super Pit Expansion

North-Western Province, Zambia · Open Pit

Under Development
Copper
Commodities, grades and output
YearCommodityAv. GradeOutput
2025Copper-151000 t
End year
2064
Mine life
36 years
Capex (est.)
USD 2.00B
Workforce
As of December 31, 2025, Lumwana employs approximately 3,260 employees and 6,400 contractors. 98% of the workforce are Zambian nationals. The expansion is expected to require an additional 550 workers over five years and 2,500 construction workers for a three-year period to 2028.
Overview
The Lumwana mine is in production, and the Super Pit Expansion is under construction. The expansion is expected to double the mine's annual copper production to a life-of-mine average of 240,000 tonnes, with first production from the expansion scheduled for 2028.
Production
Production overview - 2025: copper 151000 t.
Processing
The ore is treated through a conventional sulphide flotation plant to produce copper concentrate. The expansion includes twinning the existing process circuit, which will increase plant throughput from the current 27 million tonnes per annum to 52 million tonnes per annum. Commissioning of the new process plant is planned to start in the second half of 2027.
Equipment
The mine utilises a conventional truck and shovel fleet. A phased transition to cable electric-powered shovels is planned for completion in 2031, and in-pit crushing and conveying are part of the new mine design. Long-lead equipment, including mills and crushers, has been ordered for the expansion.
Expansion
The feasibility study for the Super Pit Expansion was expected to be completed by the end of 2024, with construction starting in 2025. Site construction is underway, and long-lead equipment orders have been placed. The project also includes the development of critical infrastructure such as a new regional airstrip and an industrial supplier park. A technical report for the Lumwana Expansion Project, in accordance with National Instrument 43-101, was filed on February 19, 2025.
Companies & ownership
  • Barrick Gold Corporation
    TSX:ABX · NYSE:B
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Reko Diq

Balochistan, Pakistan · Open Pit

Under Development
CopperGold
Commodities, grades and output
YearCommodityAv. GradeOutput
2024Copper0.48 %7.3 Mt
2024Gold0.28 g/t13 Moz
End year
2068
Mine life
40 years
Capex (est.)
USD 6.60B
Workforce
7,500 (peak construction), 4,000 (operational), ~1,000 (May 2025)
Overview
Reko Diq is one of the world's largest undeveloped copper-gold deposits. The project's Environmental and Social Impact Assessment (ESIA) has been approved by government authorities.
Production
Production overview - 2024: copper 7.3 Mt, gold 13 Moz.
Processing
The project is designed as a conventional truck and shovel open-pit mine with processing facilities to produce a high-quality copper-gold concentrate via a crush, mill, and flotation circuit. Development is planned in two phases, with a combined processing capacity of 90 million tonnes per annum. Phase 1 is designed for a throughput of approximately 40-45 million tonnes per annum, with Phase 2 expected to double this capacity.
Equipment
conventional truck and shovel open-pit mine
Expansion
Development is planned in two phases, with a combined processing capacity of 90 million tonnes per annum. Phase 1 is designed for a throughput of approximately 40-45 million tonnes per annum, with Phase 2 expected to double this capacity. A potential Phase 2 expansion could increase copper production to 400,000 tonnes per year. The reconstitution of the project was completed in December 2022. In March 2026, Barrick announced it was slowing development activity and extending the project's review period by 12 months from July 2026, citing security concerns in the region. This decision is expected to affect previously stated budgets and timelines.
Companies & ownership
  • Government of Balochistan
  • Barrick Gold Corporation
    TSX:ABX · NYSE:B
  • Government Holdings (Private) Limited (GHPL)
  • Pakistan Petroleum Limited (PPL)
  • Oil and Gas Development Company Limited (OGDCL)
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Zaldívar

Antofagasta Region, Chile · Open Pit

Operating
Copper
Commodities, grades and output
YearCommodityAv. GradeOutput
2025Copper-36700 t
2024Copper0.67 %82800 t
2023Copper0.77 %40500 t
Opened
1995-01-01
End year
2051
Capex (est.)
USD 60.80M
Workforce
As of 2023, the mine employed an average of 3,102 workers, including contractors.
Overview
Environmental approval has been granted to extend the mine's operations until 2051. This includes the development of primary sulphide ore. The mine will continue to use its current water source until 2028, after which it will transition to seawater or a third-party source.
Production
Production overview - 2025: copper 36700 t; 2024: copper 82800 t.
Processing
The mine utilises a heap leach, solvent extraction, and electrowinning (SX-EW) process to produce copper cathodes. The processing plant includes a crushing plant with gyratory and cone crushers. In 2025, a real-time artificial intelligence system called Machine Vision was implemented to monitor equipment and detect potential failures, particularly in the ore crushing systems.
Expansion
In May 2025, the Chilean Environmental Authority approved the Environmental Impact Assessment for the Zaldívar mine, allowing for the extension of its life to 2051. This extension includes a plan to transition the mine's water source from the local aquifer to either seawater or a third-party supply after 2028. The project also allows for the future development of the primary sulphide ore deposit.
Water sources
Surface WaterDesalinationThird-Party Industrial
Companies & ownership
  • Antofagasta Plc
  • Barrick Gold Corporation
    TSX:ABX · NYSE:B
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North Mara

Mara Region, Tanzania · Open Pit

Operating
Gold
Commodities, grades and output
YearCommodityAv. GradeOutput
2023Gold-301190.47619 oz
2022Gold-310000 oz
Opened
2002-01-01
End year
2038
Workforce
2,923
Overview
The North Mara gold mine is situated in the Tarime district of the Mara region in north-west Tanzania. It is approximately 100 kilometres east of Lake Victoria and 20 kilometres south of the Kenyan border. The process plant at North Mara has the capacity to process an average of 8,000 tonnes of ore per day. The operation consists of the Gokona underground mine and the Nyabirama open pit.
Production
Production overview - 2023: gold 301190.47619 oz; 2022: gold 310000 oz.
Processing
The process plant at North Mara has the capacity to process an average of 8,000 tonnes of ore per day.
Equipment
Underground Mining: The fleet includes Sandvik TH540, TH551i, and TH663i trucks, as well as Caterpillar R2900G LHDs and Sandvik production and development drills. Open Pit Mining: Ten new Cat 777 trucks were commissioned in the fourth quarter of 2022.
Expansion
Recent developments at the North Mara mine include a transition to owner-mining in the open pit operations, which is expected to increase production and reduce costs. There are also ongoing technological advancements in the underground mine to enhance productivity. Barrick is also focusing on expanding its operations in East Africa, with North Mara and Bulyanhulu forming a key part of this strategy. The company is exploring the potential for an additional underground operation at North Mara and optimising the open pit mine plan to extend the mine's life. A feasibility study for a solar power plant at the mine has been completed, and a 5.2MW battery energy storage system was commissioned in June 2025. There are also plans to increase the thermal power generation capacity to 35.1MW.
Power sources
SolarBattery Storage
Companies & ownership
  • Barrick Gold Corporation
    TSX:ABX · NYSE:B
  • Government of Tanzania
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Fourmile Project

Nevada, United States · Underground

Under Development
Gold
Capex (est.)
USD 1.50B
Production
The mine is projected to have an annual production of 600,000 to 750,000 ounces of gold.
Processing
A significant portion of the ore at Fourmile is considered "single refractory", which allows for simpler and less costly processing.
Expansion
A three-year pre-feasibility study for the Fourmile project is scheduled to begin in 2025. The construction of the Bullion Hill exploration decline portal and the commencement of underground development are expected in 2026. The completion of a pre-feasibility study is targeted for late 2028, with an independent feasibility study to follow in 2029. By 2029, plans include having 34 kilometres of development in place to connect Bullion Hill with the Goldrush multi-purpose development, with initial test stoping to occur shortly after.
Companies & ownership
  • Barrick Gold Corporation
    TSX:ABX · NYSE:B
  • Teck Resources
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Long Canyon

Nevada, United States · Open Pit

Care And Maintenance
GoldSilver
Commodities, grades and output
YearCommodityAv. GradeOutput
2024Gold-8839 oz
2024Silver-622 oz
Opened
2016-01-01
Workforce
42 (15 company employees, 27 contract employees)
Production
Production overview - 2024: gold 8839 oz, silver 622 oz.
Processing
The Long Canyon Project facility is permitted to process up to 5 million tons of ore annually. The processing method is a heap leach facility with a carbon-in-column plant. Lower-grade run-of-mine oxide ore is leached on a synthetically lined heap leach pad. Loaded carbon was to be transported offsite for final processing into doré.
Expansion
On 1 July 2019, the Long Canyon mine was contributed to Nevada Gold Mines LLC, a joint venture between Barrick Gold Corporation and Newmont Corporation, with Barrick as the operator. Mining operations were temporarily ceased in 2022. At the end of 2023, the mine was placed on long-term care and maintenance and is producing residual ounces from the leach pad. In the fourth quarter of 2024, Barrick made the decision to place the mine in closure. In March 2024, it was announced that Nevada Gold Mines would not pursue permitting for the Phase 2 expansion of the mine.
Companies & ownership
  • Barrick Gold Corporation
    TSX:ABX · NYSE:B
  • Newmont Corporation
    NYSE:NEM
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Phoenix

Nevada, United States · Open Pit

Operating
GoldSilverCopper
Commodities, grades and output
YearCommodityAv. GradeOutput
2023Gold-199994 oz
2023Silver-952702 oz
2023Copper-35406713 lbs
2021Gold-173067 oz
2021Silver-1322700 oz
2021Copper-36736179 lbs
2019Copper-15000000 lbs
End year
2063
Workforce
As of 2023, the Phoenix Mine had 474 company employees and 351 contract employees. In 2021, the mine employed 450 company personnel and 383 contract workers.
Production
Production overview - 2023: gold 199994 oz, silver 952702 oz, copper 35406713 lbs; 2021: gold 173067 oz, silver 1322700 oz, copper 36736179 lbs.
Processing
The Phoenix mine utilises a flotation mill, a carbon-in-leach plant, a copper leach pad, and a solvent extraction-electrowinning (SX/EW) plant.
Expansion
Recent and ongoing developments at the Phoenix mine include the construction and commissioning of a new sulfide concentrate filtering facility, expected to be completed by the end of 2024. A truck reinvestment strategy was initiated in 2024 and is planned to continue through to 2026 to ensure the longevity of the mine's operational delivery. There are also opportunities being explored to expand copper production.
Companies & ownership
  • Barrick Gold Corporation
    TSX:ABX · NYSE:B
  • Newmont Corporation
    NYSE:NEM
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Turquoise Ridge Complex

Nevada, United States · Underground

Operating
GoldSilver
Commodities, grades and output
YearCommodityAv. GradeOutput
2023Gold-514386 oz
2023Silver-163388 oz
2022Gold-500000 oz
2020Gold3.42 g/t330000 oz
2020Silver-56617 oz
Workforce
842 company employees
Production
Production overview - 2023: gold 514386 oz, silver 163388 oz; 2022: gold 500000 oz.
Processing
The complex has two active mills, the Juniper oxide mill and the Sage autoclave facility, as well as heap leach pads. The Sage autoclave is used to process refractory ore.
Expansion
The Turquoise Ridge mine was combined with Newmont's Twin Creeks complex to form the Turquoise Ridge Complex, operated by Nevada Gold Mines since 1 July 2019. A third shaft has been constructed to increase production, ventilation, and gold extraction. This expansion is expected to add another 15 years of viable operations.
Companies & ownership
  • Barrick Gold Corporation
    TSX:ABX · NYSE:B
  • Newmont Corporation
    NYSE:NEM
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Goldstrike

Nevada, United States · Open Pit

Operating
GoldSilver
Commodities, grades and output
YearCommodityAv. GradeOutput
2018Gold0.23 oz/t-
2015Gold-411003 oz
2015Silver-17749 oz
Opened
1975-01-01
Workforce
As of 31 December 2023, Barrick employed approximately 24,600 people worldwide and utilized around 29,300 contractors. The 2023 Sustainability Report provides a regional breakdown, with North America having employees and contractors, but does not specify the number for the Goldstrike mine.
Production
Production overview - 2015: gold 411003 oz, silver 17749 oz.
Processing
The Goldstrike complex has two processing facilities: an autoclave and a roaster. Mined ore is crushed, milled, and then oxidized in one of these facilities before being leached with a cyanide solution.
Companies & ownership
  • Newmont Corporation
    NYSE:NEM
  • Barrick Gold Corporation
    TSX:ABX · NYSE:B
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Bulyanhulu

Shinyanga region, Tanzania · Underground

Operating
Gold
Commodities, grades and output
YearCommodityAv. GradeOutput
2025Gold-153000 oz
2023Gold-180000 oz
2018Gold-1259 kg
2017Gold-5458 kg
2016Gold-9002 kg
2005Gold-311000 oz
Opened
2001-01-01
End year
2034
Workforce
878 (as at the end of 2021)
Production
Production overview - 2023: gold 180000 oz; 2018: gold 1259 kg.
Processing
The process plant has the capacity to process approximately 3,300 tonnes of ore per day. The plant uses crushing, grinding, gravity, flotation, Carbon-In-Leach (CIL), thickening, cyanide destruction, filtration and paste backfill. In 2024, the GlyCat (Glycine) project was implemented, reducing cyanide consumption by 80%. A PhotonAssay laboratory was commissioned in 2022. The mine is now producing gold bars on site, having moved away from shipping concentrates abroad for processing.
Equipment
The mine is an underground trackless operation. Mining methods include longhole sublevel stoping, conventional cut and fill stoping, mechanised drift and fill stoping, and alimak stoping. The underground mine is accessible via a vertical shaft and a ramp system. In July 2025, it was reported that the temporary thermal plant capacity at Bulyanhulu had been increased by 4.5MW to 29MW.
Expansion
Capital projects Upper West and Reef 2 are a priority. The Upper West boxcut was completed in mid-December 2024, and the decline portal has started, with the first ore expected by the end of 2025. Development of the Upper West decline is well advanced as of July 2025.
Companies & ownership
  • Barrick Gold Corporation
    TSX:ABX · NYSE:B
  • Government of Tanzania
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Casa Berardi

Quebec, Canada · Underground

Closed
Gold
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Silver Valley/Star

Idaho, United States · Underground

Under Development
SilverLeadZinc
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Fire Creek

Nevada, United States · Underground

Care And Maintenance
GoldSilver
Commodities, grades and output
YearCommodityAv. GradeOutput
2017Gold-107143 oz
2017Silver-72283 oz
2016Gold-101286 oz
2016Silver-80593 oz
2015Gold-77055 oz
2015Silver-92114 oz
Workforce
2 company employees
Overview
The Fire Creek mine was placed on care and maintenance in the second quarter of 2021 after the processing of the remaining non-refractory ore stockpile. Hecla Mining anticipates incurring care and maintenance costs until exploration success and development justify a restart of mining operations.
Production
Production overview - 2017: gold 107143 oz, silver 72283 oz; 2016: gold 101286 oz, silver 80593 oz.
Processing
Ore from the Fire Creek mine is transported approximately 165 miles by truck to Hecla's Midas mill for processing. The Midas mill is a 1,200-ton-per-day facility. The processing method at the Midas mill involves gravity separation and cyanide leaching with Merrill-Crowe recovery.
Equipment
Sandvik Jumbo Drill (4 units), Sandvik Bolter (2 units), Tamrock 2 Yard LHD (3 units), Getman Scissor Lift (4 units), Getman Boom Truck (2 units), CAT 120G Grader (1 unit), CAT 928G Loader (1 unit), CAT TH460B Telehandler (1 unit), CAT D3G Dozer (1 unit), Kenworth 12 Yard Dump Truck (2 units), Kenworth T800 Water Truck (1 unit), Ford F550 Lube Truck (1 unit), Ford F550 Flatbed (1 unit), Ford F550 Mechanics Truck (1 unit), Toyota Landcruiser (4 units)
Expansion
Hecla Mining's exploration program for 2026 in Nevada has been significantly increased due to positive results. The company is conducting a strategic review of its Nevada portfolio, including Fire Creek, in 2025 to rerank priorities.
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Greenbushes Lithium Mine

Western Australia, Australia · Open Pit

Operating
LithiumTantalum
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
2022Nickel2.02 %164.5 kt
Mine life
10 years
Overview
IGO Limited transitioned the Cosmos Project into care and maintenance in June 2024, following a project review that highlighted a reduced expected mine life, delays in reaching full capacity, and increased operating and capital costs, exacerbated by a significant deterioration in commodity prices. The transition was expected to be concluded by 31 May 2024. IGO intends to protect the option to restart the project in the future if market conditions improve.
Production
Production overview - 2022: nickel 164.5 kt.
Processing
Cosmos processing plant upgrade, nickel concentrator facility, wet commissioning of the processing plant, processing existing ore on the ROM pad
Equipment
plant and equipment on site, existing Cosmos processing plant, nickel concentrator facility
Expansion
redevelopment project included the Odysseus underground mine, processing plant upgrade to increase throughput, new agreement in October 2022 to increase the plant's capacity to 1.1 Mtpa
Companies & ownership
  • IGO Limited
    ASX:IGO
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Page 4 of 147 (3507 total)