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Minesites Directory

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Page 6 of 59 (1393 total)
Republic

Washington, United States · Underground

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

Yukon, Canada · Underground

Operating
SilverGoldLeadZinc
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Lucky Friday

Idaho, United States · Underground

Operating
SilverGoldLeadZinc
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Greens Creek

Alaska, United States · Underground

Operating
SilverGoldLeadZinc
Commodities, grades and output
YearCommodityAv. GradeOutput
2025Silver-8724996 oz
2025Gold-59349 oz
2025Lead-18213 t
2025Zinc-51300 kt
2024Silver-8480877 oz
2024Gold-55275 oz
2024Lead-18320 t
2024Zinc-51288 t
2023Silver-9731752 oz
2023Gold-60896 oz
2023Lead-19578 t
2023Zinc-51496 t
Opened
1989-01-01
Workforce
approximately 512 people
Production
Production overview - 2025: silver 8724996 oz, gold 59349 oz, lead 18213 t, zinc 51300 kt; 2024: silver 8480877 oz, gold 55275 oz, lead 18320 t, zinc 51288 t.
Processing
The mine operates an ore concentrating mill. The processing method involves a conventional flotation concentrator that produces a gravity gold concentrate, a silver concentrate, a zinc concentrate, and a precious metals concentrate. In 2024, 46% of the tailings were reused as backfill in the underground mine.
Expansion
In January 2026, the U.S. Forest Service approved a five-year plan of operations for the Greens Creek Surface Exploration Project. This project will explore for mineral deposits including silver, gold, lead, and zinc on Forest Service lands on Admiralty Island. Hecla Mining is also investigating the economic potential of recovering and reprocessing critical minerals from the mine's tailings, which contain silver, gold, zinc, lead, copper, and other minerals. There is also an early-stage project for the expansion of the dry-stack tailings facility.
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Platreef PGM-Nickel Mine

Limpopo Province, South Africa · Underground

Operating
PlatinumPalladiumRhodiumGoldNickelCopper
Opened
2025-11-18
Mine life
32 years
Workforce
over 2,000
Production
The Phase 1 concentrator produced its first concentrate on November 18, 2025, and is now in its ramp-up phase. The first sale of concentrate was made to Northam Platinum in the fourth quarter of 2025. The concentrator is initially processing lower-grade development ore and is expected to transition to higher-grade ore in the second quarter of 2026. By mid-2026, the concentrator is expected to operate at 80% of its capacity. Production guidance for 2026 has not yet been issued.
Processing
The mine is being developed in three phases. The Phase 1 concentrator has a milling capacity of 770,000 tonnes per annum. The Phase 2 expansion includes a new 3.3-million-tonne-per-annum concentrator module, bringing the total processing capacity to 4.1 million tonnes per annum. A potential Phase 3 expansion would increase processing capacity to 10.7 million tonnes per annum.
Equipment
Underground mining is conducted using mechanised methods, including long-hole stoping and drift-and-fill. Key infrastructure includes Shaft #1, which provides initial access for workers and materials. Shaft #2 is planned to be the main production shaft with a hoisting capacity of 8 million tonnes per annum. Shaft #3 is expected to be operational by April 2026, increasing the mine's total hoisting capacity five-fold to 5.0 million tonnes per annum, which will support the Phase 1 ramp-up and Phase 2 expansion. The mine also has a 5-megawatt solar power facility that was completed in the first quarter of 2025.
Expansion
Project development for the Phase 2 expansion is underway, with a targeted completion in the fourth quarter of 2027. The Phase 2 expansion is expected to increase average annual production to approximately 450,000 ounces of platinum, palladium, rhodium, and gold (3PE+Au), plus over 30 million pounds of nickel and copper. A Preliminary Economic Assessment has been completed for a future Phase 3 expansion, which would further increase annual production to over 1 million ounces of 3PE+Au. A $700 million senior project finance facility for the Phase 2 expansion has been signed.
Power sources
Solar
Companies & ownership
  • Ivanhoe Mines Ltd.
    TSX:IVN · OTC:IVPAF
  • Japanese consortium
  • ITOCHU Corporation
  • Japan Organization for Metals and Energy Security
  • JGC Holdings Corporation
  • Broad-based Black Economic Empowerment (B-BBEE) structure
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Kinskuch

British Columbia, Canada · Underground

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

Idaho, 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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Republic

Washington, United States · Underground

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

Nevada, United States · Underground

Under Development
SilverGoldLeadZinc
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
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Fire Creek

Nevada, United States · Underground

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

Nevada, United States · Underground

Care And Maintenance
GoldSilver
Workforce
zero employees in 2023
Overview
The Aurora mine in Mineral County, Nevada, is on care and maintenance. Historically an underground operation, it produced 1.9 Moz gold and 20 Moz silver. Hecla Mining is focused on the Polaris Exploration Project, commencing in 2026, to test epithermal vein systems with open-pit potential. The site has a 600-ton-per-day mill and a 350-ton-per-day mill, both on care and maintenance. No mining occurred in 2023, with zero employees.
Production
No production at the mine in 2023. Historically, the Aurora Mining District produced 1.9 million ounces of gold and 20 million ounces of silver. Underground production between 1864 and 1920 yielded 1.5 million ounces of gold at an average grade of 2.24 ounces per ton.
Equipment
600-ton-per-day mill, 350-ton-per-day mill
Expansion
Hecla Mining is focused on the Polaris Exploration Project, which is scheduled to commence in 2026. This program will test multiple epithermal vein systems. The company has consolidated its land position and compiled historical data to define new exploration targets. The project's location includes 92 patented mining claims and 7 fee parcels, which is expected to expedite the development pathway for any future discoveries.
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Greens Creek

Alaska, United States · Underground

Operating
SilverGoldLeadZinc
Commodities, grades and output
YearCommodityAv. GradeOutput
2025Silver-8700000 oz
2025Gold-59349 oz
2025Lead-18.2 kt
2025Zinc-51.3 kt
2024Silver-8500000 oz
2024Gold-55275 oz
2023Silver-9700000 oz
2023Gold-60900 oz
2023Zinc-51500 t
2023Lead-19600 t
2021Silver-9200000 oz
2021Gold-46088 oz
2018Silver-8000000 oz
2018Gold-51493 oz
2018Lead-18960 t
2018Zinc-55350 t
2017Silver-8351882 oz
2017Gold-50854 oz
2017Lead-17996 t
2017Zinc-52547 t
2016Silver-9253543 oz
2016Gold-53912 oz
2016Lead-20596 t
2016Zinc-57729 t
2015Silver-8452153 oz
2015Gold-60566 oz
2015Lead-21617 t
2015Zinc-61934 t
2014Silver-7826341 oz
2014Gold-58753 oz
2014Lead-20151 t
2014Zinc-59810 t
Production
Production overview - 2025: silver 8700000 oz, gold 59349 oz, lead 18.2 kt, zinc 51.3 kt; 2024: silver 8500000 oz, gold 55275 oz.
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Monte Cristo

Nevada, United States · Underground

Historic Mine
GoldSilver
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Kinskuch

British Columbia, Canada · Underground

Under Development
SilverGoldCopperLeadZinc
Overview
The Kinskuch property is now part of Dolly Varden Silver's larger Kitsault Valley Project, which is located in the Golden Triangle of British Columbia. The acquisition has significantly increased Dolly Varden's land holdings in the area, consolidating a district-scale claim package that also includes the Dolly Varden and Homestake Ridge projects. Dolly Varden Silver is an exploration company and intends to conduct further exploration on the Kinskuch property. The property is considered prospective for precious metals and is on the same structural and stratigraphic belts as other high-grade deposits in the region.
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
  • Dolly Varden Silver Corporation
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Republic

Washington, United States · Underground

Historic Mine
GoldSilver
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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San Juan Silver

Colorado, United States · Underground

Under Development
SilverGoldLeadZinc
Commodities, grades and output
YearCommodityAv. GradeOutput
2024Silver15.8 oz/t37026000 oz
2024Gold0.01 oz/t27000 oz
2024Lead-47430 t
2024Zinc-38020 t
2023Silver14.9 oz/t38203000 oz
2023Gold0.01 oz/t34000 oz
2023Lead-49400 t
2023Zinc-39850 t
Overview
The San Juan Silver project is an exploration and development asset located in the historically significant Creede Mining District of Colorado. Hecla Mining Company holds a consolidated land package covering approximately 21 square miles, marking the first time the entire district has been under single ownership. The project is focused on the Bulldog Mine area, which has a history of silver production. Current activities are focused on strategic advancement to access underground infrastructure for the confirmation and expansion of the existing resource.
Production
Production overview - 2024: silver 37026000 oz, gold 27000 oz, lead 47430 t, zinc 38020 t; 2023: silver 38203000 oz, gold 34000 oz, lead 49400 t, zinc 39850 t.
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Aurora

Nevada, United States · Open Pit

Historic Mine
GoldSilver
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Hollister

Nevada, United States · Underground

Care And Maintenance
GoldSilver
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Fire Creek

Nevada, United States · Underground

Care And Maintenance
GoldSilver
Workforce
125, including 54 miners, 42 non-miner hourly employees, and 29 supervision/technical staff
Overview
The Fire Creek mine, located in Nevada, United States, is owned and operated by Hecla Mining Company, which acquired it in July 2018. The mine's primary commodities are gold and silver. Operations were suspended in Q2 2021, and it is currently under care and maintenance. It is part of Hecla's Nevada exploration portfolio and is undergoing strategic review.
Expansion
Hecla acquired the mine in July 2018. Undergoing a strategic review and reassessment for priority reranking in 2025.
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Greens Creek

Alaska, United States · Underground

Operating
SilverGoldLeadZincCopper
Commodities, grades and output
YearCommodityAv. GradeOutput
2025Silver-8700000 oz
2025Gold-59349 oz
2025Lead-18200 t
2025Zinc-51300 t
2024Silver-8500000 oz
2024Gold-55275 oz
2024Lead-18320 t
2024Zinc-51288 t
2024Copper-1874 t
2023Silver-9700000 oz
2023Gold-60900 oz
2023Zinc-51500 t
2023Lead-19600 t
Opened
1989-01-01
End year
2037
Workforce
512 (as of 2024)
Overview
The mine has an ore concentrating mill. The primary mining methods are cut and fill and longhole stoping. In 2025, the mill processed an average of 2,388 tons of ore per day. The metallurgical recoveries for 2025 were 79.3% for silver, 74% for gold, 82.6% for lead, and 88.8% for zinc. A tailings reprocessing initiative is underway, with metallurgical work progressing. In 2024, 46% of tailings were reused as backfill.
Production
In 2025, this mine produced 8.7 million ounces of silver and 59,349 ounces of gold.
Processing
The mine has an ore concentrating mill. The primary mining methods are cut and fill and longhole stoping. In 2025, the mill processed an average of 2,388 tons of ore per day. The metallurgical recoveries for 2025 were 79.3% for silver, 74% for gold, 82.6% for lead, and 88.8% for zinc. A tailings reprocessing initiative is underway, with metallurgical work progressing. In 2024, 46% of tailings were reused as backfill.
Expansion
A five-year plan of operations for the Greens Creek Surface Exploration Project was approved by the U.S. Forest Service in January 2026. This surface exploration for silver, gold, lead, and zinc is anticipated to increase the mine's reserve base and extend its operational life. The project was added to the FAST-41 Transparency Dashboard in May 2025.
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
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Platreef PGM-Nickel Mine

Limpopo, South Africa · Underground

Operating
PlatinumPalladiumRhodiumGoldNickelCopper
Opened
2025-11-18
Capex (est.)
USD 252.00M
Workforce
Over 650 (December 2014), including employees and contractors.
Production
Phase 1 concentrator has a milling capacity of 770,000 tonnes per annum. Phase 2 targets 450,000 oz 3PE+Au annually, plus nickel and copper by-products. Phase 3 plans over 1 Moz 3PE+Au, 22,000 t nickel, and 13,000 t copper annually.
Processing
The Phase 1 concentrator was completed in Q3 2024 and began producing concentrate in November 2025.
Equipment
Shaft #3 is expected to be operational by April 2026, increasing hoisting capacity to 5 million tonnes per annum.
Expansion
The mine is being developed in three phases. Phase 1 commenced production in late 2025 and is currently in a ramp-up phase. Phase 2 expansion is underway, with a targeted completion in Q4 2027. A future Phase 3 expansion is planned.
Power sources
Solar
Companies & ownership
  • Ivanhoe Mines Ltd.
    TSX:IVN · OTC:IVPAF
  • ITOCHU Corporation
  • Japan Organization for Metals and Energy Security
  • JGC Holdings Corporation
  • Broad-based Black Economic Empowerment (B-BBEE) structure
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Casa Berardi

Quebec, Canada · Open Pit

Operating
GoldSilver
Commodities, grades and output
YearCommodityAv. GradeOutput
2024Gold-86648 oz
2024Silver-24231 oz
2023Gold-90363 oz
2023Silver-22415 oz
Opened
1988-01-01
End year
2037
Overview
The Casa Berardi mine is an operating gold and silver mine in Quebec, Canada, with a processing capacity of 3,730 tonnes per day. It has produced approximately 3.06 million ounces of gold by the end of 2023 and is transitioning to a fully open-pit operation, with mining expected to continue until 2037.
Production
Production overview - 2024: gold 86648 oz, silver 24231 oz; 2023: gold 90363 oz, silver 22415 oz.
Processing
The Casa Berardi mill has a processing capacity of 3,730 tonnes per day, with a potential future maximum output of 4,400 tonnes per day. The processing facilities use a carbon-in-leach circuit to recover gold. The process involves a primary jaw crusher and a semi-autogenous grinding (SAG) mill.
Expansion
The Casa Berardi mine has been transitioning from a combined underground and open-pit operation to a surface-only operation. The lower-margin east mine underground operations were closed in July 2023. Underground mining was extended throughout 2025 due to a strategic review and higher gold prices. The transition to a fully open-pit operation is in progress. The final phase of the F160 open pit is expected to conclude in 2026. Mining of the WMCP pit is scheduled between 2032 and 2037. Overburden removal for the Principal pit is planned to commence in 2028, with ore mining to begin in 2030. Mining at the F134 pit will begin and conclude in 2037.
Companies & ownership
  • Hecla Mining Company
    NYSE:HL
  • Orezone Gold Corporation
    ASX:ORE · TSX:ORE · OTC:ORZCF
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Page 6 of 59 (1393 total)