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3,173 including contractors (as of 2025). In 2024, the total average number of employees was 2,988, consisting of 950 permanent staff and 2,038 contractors.

The Kibali mine is a large, integrated operation combining multiple open pits with the KCD underground mine. It is considered a leader in gold mine automation in Africa.

Production overview - 2025: gold 673000 oz; 2024: gold 309000 oz.

The mine has a metallurgical plant that is a dual-circuit sulphide and oxide plant featuring conventional carbon-in-leach (CIL) and gravity recovery.

Exploration is focused on the ARK-KCD corridor, which has the potential to significantly increase the mine's reserve base and extend its life. A 16MW solar plant and battery energy storage system was expected to be completed to supplement the mine's three hydropower stations, increasing the renewable energy share of its power mix from 81% to 85%.

352 (as of 2024)

The Lucky Friday mine is an underground operation in Idaho, USA, owned 100% by Hecla Mining Company. It primarily produces silver, lead, and zinc. The mine opened in 1942 and has a processing plant capable of handling 1,000 tons of ore per day, producing silver-lead and zinc concentrates. It utilizes the patented Underhand Closed Bench (UCB) mining method for safety and productivity in deep, narrow-vein mining, with access via the Silver Shaft and the new #4 Shaft reaching 9,600 feet below surface. The mine has seen record production in recent years, with silver output reaching 5.3 million ounces in 2025.

Production overview - 2025: silver 5.3 Moz; 2024: silver 4.9 Moz.

The plant has a full surface facility with a mill that can process 1,000 tons of ore per day. It produces silver-lead and zinc concentrates which are shipped to a smelter in Trail, BC, Canada. Coarse mill tailings are mixed with cement and used as backfill.

The mine utilises the Underhand Closed Bench (UCB) mining method, for which Hecla holds a U.S. patent. Access to the underground workings is via the Silver Shaft, which is 18 feet in diameter, concrete-lined, and reaches a depth of 6,205 feet. A new internal shaft, the #4 Shaft, has been completed and reaches 9,600 feet below the surface, providing access to the high-grade Gold Hunter/Lucky Friday Expansion Area.

A surface cooling project is expected to be completed by mid-2026 to increase cooling capacity as the mine deepens. Hecla plans to invest up to $73 million in the operation in the coming years, with capital investment focused on underground development, a new tailings facility, and the surface cooling project. Exploration drilling was planned for 2024 to the east of the 30 Vein.

Located in the Goldfields region, this is a 50-50 joint venture with Ganfeng Lithium, with Mineral Resources operating the mine.

Expected to employ 7,500 people during peak construction and create 4,000 long-term jobs during its operational life. Another source states over 10,000 people at peak construction and 6,400 employees and contractors during full production.

The reconstitution of the Reko Diq project was completed in December 2022. An updated feasibility study was completed in 2024. In April 2025, the joint venture shareholders approved the updated feasibility study and conditionally approved Phase 1 development capital. However, in February 2026, Barrick announced a review of all aspects of the project due to escalating security risks. Subsequently, in March and April 2026, Barrick stated it was necessary to slow development activity and extend the project review until mid-2027. The previously targeted first production by the end of 2028 is now likely to be impacted. The Environmental and Social Impact Assessment (ESIA) for the project was approved by relevant government authorities in early 2025.

The mine is expected to produce 200-250 kt of copper per year. Phase 1 is projected to produce an average of 200,000 tonnes of copper and 250,000 ounces of gold annually. The project is expected to yield 13.1 million tonnes of copper and 17.9 million ounces of gold over the life of the mine, based on existing reserves.

The project will be a truck-and-shovel open pit operation with processing facilities to produce a high-quality copper-gold concentrate. The development is planned in two phases. Phase 1 is planned to process 45 million tonnes of mill feed annually, with Phase 2 expected to double the processing capacity to 90 million tonnes per annum.

Fluor (lead EPCM partner), Metso, Weir, Komatsu

The development is planned in two phases. Phase 1 is planned to process 45 million tonnes of mill feed annually, with Phase 2 expected to double the processing capacity to 90 million tonnes per annum. A potential Phase 2 expansion is estimated to cost between $3.3 billion and $3.6 billion.

1300 (includes direct employees and third-party contractors)

Production overview - 2023: copper 32000 t; 2022: copper 68418 t.

The mine uses a conventional flotation process to produce copper concentrate. It also employs a paste backfill system. The processing plant uses 100 percent wastewater, and a Barrick-patented method that does not require cyanide, lime, or fresh water.

A new DD421-60C Jumbo was scheduled to be mobilised to the site in late Q3 2022. The operation uses surface loader remote activities utilising the RCT system.

An expansion has been developed for the Lode 1 orebody, which is located less than one kilometre from the existing lode. The extension development, including underground capital works and major upgrades to ventilation and paste plant facilities, was completed in 2024. Stoping at Lode 1 began in the third quarter of 2023. This expansion is expected to add 100,000 production tonnes per annum.

As of December 2023, 1,500 people had been employed for the restart of the mine. It was anticipated that the workforce would increase to 3,000 by mid-2024.

The Porgera mine, an open pit and underground gold-silver operation in Enga Province, Papua New Guinea, resumed operations in December 2023 after being on care and maintenance since April 2020. Barrick Gold holds a 24.5% indirect interest.

Production overview - 2019: gold 600000 oz; 2018: gold 500000 oz.

The ore processing at Porgera involves crushing and grinding, followed by gravity concentration to recover free gold. A sulphide concentrate is then produced through flotation, which is subsequently oxidised in autoclaves. The final stage of gold recovery is through a conventional carbon-in-pulp (CIP) cyanide leaching process.

In early 2025, an order was placed for a new fleet of Sandvik surface drill rigs to replace the existing non-Sandvik equipment. The new fleet includes four Sandvik DR410i rotary blasthole drill rigs and three Leopard DI650i down-the-hole (DTH) drill rigs.

The restart of the mine is based on a new partnership agreement between the Papua New Guinea government and Barrick Niugini Limited. Under this agreement, PNG stakeholders will receive 53% of the overall economic benefits from the mine. BNL is responsible for financing the capital required for the restart.

Approximately 7,000 employees

Nevada Gold Mines is a joint venture between Barrick Gold Corporation (61.5%) and Newmont Corporation (38.5%), which commenced operations on 1 July 2019. It is the single largest gold-producing complex in the world and is operated by Barrick. The assets include 10 underground and 12 open-pit mines, two autoclave facilities, two roasting facilities, four oxide mills, a flotation plant, and five heap leach facilities. The complex includes the operations of Carlin, Cortez, Turquoise Ridge, Phoenix, and Long Canyon. The Goldrush project is under development, with commercial production expected in 2026. The Robertson project has also received approval for development.

Production overview - 2021: gold 173067 oz, silver 1322700 oz, copper 36736179 lbs; 2019: gold 2200000 oz.

A variety of processing methods are used across the complex, including heap leaching for oxide ores, conventional milling and carbon-in-pulp for sulphide ores, and roasting for refractory ores. The facilities include two autoclave facilities, two roasting facilities, four oxide mills, and five heap leach facilities.

The operations utilise a range of modern mining equipment, including Sandvik electric haulage trucks and Epiroc Pit Viper 271 blast-hole drill rigs. Some underground equipment is operated remotely from the surface. A fleet of Liebherr trucks is in use at the Cortez mine.

The Goldrush project received its Record of Decision in December 2023, allowing for the commencement of surface infrastructure work. The mine is expected to create 500 jobs during construction and 570 during operations. The Robertson project received approval from the Bureau of Land Management in November 2024 for exploration and mining. The project is expected to have a life of about 12 years and will include three open pits.

2,988 (950 permanent, 2,038 contractors) as of 2024

The Kibali gold mine is owned by Kibali Goldmines SA, a joint venture between Barrick Gold Corporation (45%), AngloGold Ashanti (45%), and SOKIMO (10%). The mine is operated by Barrick Gold Corporation.

Production overview - 2024: gold 309000 oz; 2023: gold 343000 oz.

twin-circuit system to process both sulphide and oxide ores. The processes include conventional carbon-in-leach (CIL) with gravity recovery.

long-hole stoping method

A new 17MW solar plant was planned for completion in 2025 to supplement the mine's three hydropower stations.

The Silver Valley / Star project is an underground mine in the Silver Valley region of Idaho, United States, operated by Hecla Mining Company. Historically a significant producer of silver, lead, and zinc, the mine ceased operations in the early 1990s. Hecla is currently re-evaluating the site for potential reopening, with a feasibility study initiated in 2011. As of 2023, the project holds significant indicated and inferred resources of silver, lead, and zinc.

Production overview - 2023: silver 17265600 oz, lead 183120 t, zinc 61364 t.

In 2011, the company initiated a study to assess the feasibility of re-opening the mine, focusing on resources above the water table.

The Monte Cristo project is a gold and silver exploration-stage project located in Esmeralda County, Nevada, and is fully owned by Hecla Mining Company. It is situated on the Walker Lane Trend and features a six-mile mineralised trend with multiple targets. Hecla's exploration efforts are focused on systematic advancement through detailed mapping, geochemistry, and cross-section generation to prepare targets for drilling. As of early 2026, Hecla is planning to significantly increase its investment in exploration and pre-development, with a focus on its Nevada projects, including Monte Cristo. The project is part of Hecla's portfolio of exploration properties in North America. There is no current or recent production at the Monte Cristo project.

There is no production at the Monte Cristo project as it is in the exploration and pre-development stage.

San Juan Silver is a high-impact exploration and pre-development project located in the Creede Mining District of Mineral County, southwestern Colorado. Hecla Mining Company has consolidated the entire 21-square-mile district under single ownership for the first time. The project's focus is on the Bulldog Mine area, which has historic production, and includes several vein systems such as the Bulldog, Amethyst, and Equity veins. Current work involves strategic advancement toward accessing underground infrastructure to confirm and expand the existing resource. Hecla is maintaining the property and its permits while awaiting more favourable economic conditions for development.

Production overview - 2023: silver 38203000 oz, lead 44816 t, zinc 36152 t; 2022: silver 36760000 oz, lead 44697 t, zinc 36569 t.

A conceptual study was completed in 2011 that evaluated a potential 500-ton-per-day operation. Pre-development work at that time included receiving permits for and beginning construction of a new decline at the Bulldog mine and rehabilitating the Equity ramp to establish underground drilling platforms.

The Connaught property is an early-stage exploration project located 65 km west of Dawson City, Yukon, with potential for copper-molybdenum +/- gold porphyry mineralisation and silver-lead-zinc-gold-copper epithermal veins.

Connaught is an exploration-stage project in the Dawson Mining District, Yukon Territory, Canada. It is a high-grade silver-lead-zinc-copper-gold vein prospect with potential for copper-molybdenum 1 gold porphyry mineralisation.

Acquired by Hecla Mining Company in July 2023 through the acquisition of ATAC Resources Ltd.

remote camp-based operation

Production overview - 2026: silver 500000 oz; 2025: silver 3018490 oz, lead 3633 t, zinc 2247 t.

The Keno Hill site has infrastructure that includes a 400 tonne per day mill.

The mine uses a Mechanized Cut and Fill mining method. A backfill plant's construction was completed and is being commissioned.

Hecla Mining Company acquired the Keno Hill Silver Project from Alexco Resource Corp. on 7 September 2022. The property is located 350 kilometres north of Whitehorse within the traditional territory of the First Nation of Na-Cho Nyak Dun. It comprises 242 square kilometres with numerous mineral deposits. Hecla's immediate focus is on advancing permits and executing infrastructure projects to help Keno Hill reach its current permitted capacity, with a medium-term goal of ramping up to 440 tonnes per day. The company's current estimate is that amended permits for this expansion could be received around mid-2029. Exploration is a primary focus, with surface diamond drills testing vein intersections northeast of the Deep Bermingham ore body. There is also continued underground resource conversion and expansion in the Bermingham Bear Zone. Hecla assumed responsibility for the care, maintenance, and reclamation of the site's historical liabilities.

Hecla is the second-largest private employer in Shoshone County, Idaho. In 2024, 90% of new hires at Lucky Friday were from local communities.

Production overview - 2025: silver 5300000 oz, lead 31102.1 t, zinc 13538.9 t; 2024: silver 4890949 oz, lead 28363.2 t, zinc 12258.9 t.

The mine has a mill with a capacity of 1,000 tons of ore per day, which produces silver-lead and zinc concentrates. These concentrates are shipped by truck to a smelter in Trail, British Columbia, Canada. The mining methods used are underhand closed bench (UCB) and underhand cut-and-fill. In 2025, 88% of the tons mined were produced using the UCB method. Tailings are used as backfill after being mixed with cement. Metallurgical recovery rates in 2025 were 94.5% for silver, 94.3% for lead, and 85.1% for zinc.

The mine uses mechanised jumbo drills and truck haulage. Rubber-tired equipment is used to access the veins through ramps. The primary access is via the Silver Shaft, which is 18-foot in diameter and concrete-lined. The #4 Shaft, an internal shaft, reaches 9,600 feet below the surface to access high-grade ore.

The #4 Shaft project is complete and operational, providing access to the Gold Hunter/Lucky Friday Expansion Area. This project is expected to add another 20-30 years to the mine's life. A new surface cooling project was 79% complete at the end of 2025 and is expected to be finished by mid-2026 to support mining at greater depths. In 2024, exploration drilling was planned for an area east of the 30 Vein.

approximately 512 people (as of 2024)

Copper is considered a payable metal for Greens Creek, creating a revenue stream. The mine is one of the largest and lowest-cost primary silver mines in the world. As of December 31, 2025, proven and probable reserves included 103.7 million ounces of silver, 865 ounces of gold, 240,670 tons of lead, and 646,010 tons of zinc.

Production overview - 2026: silver 2.2 Moz, gold 13000 oz; 2025: silver 270600.45 t, gold 1.8459616215 t, lead 18200 t, zinc 51300 t.

The mine has an ore concentrating mill that processes approximately 2,300 tons of ore per day. The process involves a conventional flotation concentrator that produces a gravity gold concentrate, and silver, zinc, and precious metals concentrates. In 2025, 54% of tailings were reused as backfill, an increase from 46% in 2024. Actual metallurgical recoveries for 2025 were 79.3% for silver, 74% for gold, 82.6% for lead, and 88.8% for zinc.

The mine is an underground operation. Primary mining methods are cut-and-fill and longhole stoping. The site includes a dry stacked tailings facility, a ship-loading facility, camp facilities, and a ferry dock.

In January 2026, the U.S. Forest Service approved a five-year plan of operations for the Greens Creek Surface Exploration Project. This surface exploration for silver, gold, lead, and zinc is expected to increase the project's reserve base and extend the mine life. Hecla is also evaluating a pyrite concentrate circuit at the mill to boost silver and gold recoveries, with an update expected in late 2026 or early 2027. Additionally, the Greens Creek Tailings Reprocessing project is being advanced, targeting an estimated 50 million ounces of silver and 600 thousand ounces of gold from 10.4 million tons of tailings; metallurgical testing is scheduled for completion by mid-2026.