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Page 1 of 61 (1443 total)
Telfer Gold-Copper Mine

Western Australia, Australia · Open Pit

Operating
GoldCopper
Commodities, grades and output
YearCommodityAv. GradeOutput
2026Gold-249887 oz
2026Copper-11022 t
Autonomous haulage
No
Overview
Telfer is Greatland’s 100%-owned operating gold-copper mine in the Paterson Province of Western Australia’s East Pilbara region. The mine combines open pit and underground production from the West Dome Open Pit and Main Dome Underground, supported by a large processing complex with two 10 Mtpa trains and nominal capacity of 20 Mtpa. Telfer first produced gold in 1977 and has generated more than 15 million ounces historically. Greatland acquired the operation from Newmont in December 2024 and is positioning Telfer as a long-term regional hub capable of processing both Telfer ore and future high-grade Havieron feed.
Processing
Two 10 Mtpa processing trains, giving nominal processing capacity of 20 Mtpa.
Expansion
Telfer Mineral Resource, Dec 2025: 419 Mt at 0.59 g/t Au and 0.09% Cu for 8.0 Moz Au and 370 kt Cu Measured and Indicated Resource, Dec 2025: 170 Mt at 0.69 g/t Au and 0.13% Cu for 3.8 Moz Au and 249 kt Cu West Dome Open Pit Resource: 338 Mt at 0.45 g/t Au and 0.04% Cu for 4.9 Moz Au and 149 kt Cu Main Dome Underground Resource: 12.3 Mt at 2.14 g/t Au and 0.41% Cu for 0.8 Moz Au and 50 kt Cu Main Dome UG Vertical Stockwork Corridor Resource: 37.5 Mt at 1.09 g/t Au and 0.33% Cu for 1.3 Moz Au and 125 kt Cu West Dome Underground Resource: 8.0 Mt at 2.30 g/t Au and 0.44% Cu for 0.6 Moz Au and 35 kt Cu Telfer Ore Reserve: Greatland’s April 2025 inaugural Telfer Ore Reserve delivered 712 koz Au and 23 kt Cu; updated Telfer Ore Reserve expected in the June 2026 quarter.

Companies & Ownership (1)

Havieron Gold-Copper Project

Western Australia, Australia · Underground

Under Development
GoldCopper
Autonomous haulage
No
Overview
Havieron is a 100% Greatland-owned gold-copper development in Western Australia’s Paterson Province, approximately 45 kilometres east of the Telfer mine. The project is planned as a high-grade underground operation feeding ore to Telfer’s established processing infrastructure, creating a brownfield development pathway rather than a stand-alone greenfield plant build. Greatland’s current concept includes an initial 2.8 Mtpa mining rate, with feasibility work assessing expansion toward 4.0–4.5 Mtpa through underground crushing and materials handling. Havieron hosts a large gold-copper resource and is intended to become the next high-grade feed source for the Telfer hub.
Production
Greatland’s earlier Telfer 2-Year Outlook indicated integrated Telfer and Havieron first production expected in FY28.
Processing
Ore to be hauled to Telfer and processed through existing Telfer infrastructure. Greatland has assessed expansion from an initial post-ramp-up 2.8 Mtpa mining rate to 4.0–4.5 Mtpa through an underground crusher and material-handling system.
Expansion
High-grade gold-copper deposit; intrusion-related / breccia-hosted system within the Paterson Province Mineral Resource: 131 Mt at 1.65–1.67 g/t Au and 0.21% Cu for approximately 7.0 Moz Au and 275 kt Cu. Greatland’s website cites 131 Mt at 1.67 g/t Au and 0.21% Cu, while the March 2026 quarterly table lists 131 Mt at 1.65 g/t Au and 0.21% Cu. Treat the difference as rounding/reporting presentation. Ore Reserve: Updated feasibility reporting in December 2025 placed Havieron Ore Reserve at 38.5 Mt at 2.63 g/t Au and 0.33% Cu for 3.3 Moz Au and 129 kt Cu. Strike / vertical extent: Greatland describes the December 2023 MRE as contained within a compact 650 m strike length and defined over 1,400 vertical metres.

Companies & Ownership (1)

Rosebery

Tasmania, Australia · Underground

Operating
ZincLeadCopperGoldSilver
Commodities, grades and output
YearCommodityAv. GradeOutput
2025Zinc-48597 t
2025Lead-17942 t
2025Copper-1154 t
2025Gold-32514 oz
2025Silver-2358979 oz
Opened
1936-01-01
Autonomous haulage
No
Workforce
700
Overview
Rosebery Mine is a 100% MMG-owned underground polymetallic base metals operation on Tasmania’s west coast. Operating since 1936, it is one of Australia’s longest-running mines and produces zinc, lead and precious metals concentrates as well as gold doré. The mechanised underground operation reaches depths of more than 1.5 kilometres and supports more than 700 permanent employees and contractors. Ore is processed on site, with concentrates moved by rail to the Port of Burnie for shipment to Nyrstar smelters. MMG is advancing long-term tailings options and low-emission underground equipment to support Rosebery’s continued operating future. The underground mine reaches depths of more than 1.5 km from surface.
Processing
On-site crushing, grinding and flotation; rail to Burnie. Ore is hauled to surface for on-site processing. Parts of the plant are automated and can be controlled remotely. Concentrate is transported by rail to the Port of Burnie and shipped to Nyrstar smelters in Hobart and Port Pirie.

Companies & Ownership (1)

Oko West Gold Project

Cuyuni-Mazaruni Mining District, Guyana · Open Pit

Under Development
Gold
Capex (est.)
USD 973.00M
Autonomous haulage
No
Workforce
1379
Overview
Oko West is a construction-stage gold project in Guyana’s Region 7, owned 100% by G Mining Ventures through its Guyanese subsidiary. The project sits south of the historical Oko gold district in the Cuyuni-Mazaruni region and is being advanced as a combined open pit and underground operation. GMIN’s 2025 feasibility study outlined a 12.3-year operation producing an average of 350,000 oz of gold per year at mine-site AISC of US$1,123/oz. Construction is advancing on schedule, with first gold targeted for H2 2027 and commercial production expected in January 2028. The mining licence was granted in December 2025.
Production
Truck-and-shovel / loader for open pit; underground longhole open stoping, transverse open stoping and longitudinal open stoping listed in external mine project summaries. Use company technical report as preferred source where available.
Processing
Major process plant works: CIP excavation completed; primary crusher mass excavation completed; ball mill foundations poured; SAG mill pier rebar and formwork underway Grinding mills: Major components scheduled for delivery in mid-2026; grinding mills expected to be operational by August 2027 Tailings storage facility: Clearing activities 36% complete as of March 31, 2026 Power plant: Generator deliveries expected through Q2 2026; power plant expected to be operational in July 2027 Barge / logistics: Barge landing caisson and ramp completed by end-March 2026; Georgetown port facility investment finalised.
Equipment
Oko West construction is advancing across the process plant, power infrastructure, tailings storage facility, mine pre-production areas, site infrastructure, access and logistics. The project has a dedicated logistics pathway through the Eccles Port Facility on the Demerara River, with barging to the project’s Cuyuni River barge facility. GMIN has also completed a steel bridge on the access road to support delivery of heavy components including main power plant generators.
Power sources
Diesel
Water sources
Precipitation/Catchment

Companies & Ownership (1)

Rain/Emigrant

Nevada, United States · Open Pit

Closed
Gold
Commodities, grades and output
YearCommodityAv. GradeOutput
1999Gold0.309 oz/t30024 oz
1990Gold-3766 kg
1989Gold-4324 kg
1988Gold-1266 kg
Opened
1987-01-01
End year
2024
Overview
The Rain/Emigrant mine is located in Elko County, Nevada, United States, on the southern end of the Carlin Trend. It is part of the Carlin Complex, which is owned and operated by Nevada Gold Mines LLC, a joint venture between Barrick Gold Corporation (61.5%) and Newmont Corporation (38.5%). The project consists of the Rain mine, which included open-pit and underground workings, and the nearby Emigrant open-pit mine, considered a satellite deposit.
Production
Production overview - 1999: gold 30024 oz; 1990: gold 3766 kg.
Processing
milling and heap leaching
Equipment
truck and shovel/loader mining methods

Companies & Ownership (2)

Gold Quarry Mine

Nevada, United States · Open Pit

Operating
Gold
Commodities, grades and output
YearCommodityAv. GradeOutput
1991Gold0.041 oz/t1034548 oz
Opened
1985-01-01
Overview
The Gold Quarry mine is a major gold-producing asset operated by Barrick Gold Corporation through the Nevada Gold Mines joint venture. It is a large open-pit operation in Eureka County, Nevada, in production since 1985.
Production
Production overview - 1991: gold 1034548 oz.
Processing
Goldstrike Roaster, Gold Quarry Roaster (formerly Mill 6), Goldstrike Autoclave for refractory ore, heap leaching
Equipment
haul trucks, loaders, crushers, conveyor systems, hydraulic systems, pumps, motors
Expansion
A significant expansion and upgrade project for the Gold Quarry Roaster was completed in the third quarter of 2024, which is expected to increase processing throughput.

Companies & Ownership (2)

Reko Diq

Balochistan, Pakistan · Open Pit

Under Development
CopperGold

Companies & Ownership (1)

Pascua-Lama

San Juan Province, Argentina · Open Pit

Closed
GoldSilverCopper
Mine life
25 years
Workforce
During the construction phase, the project was expected to create 5,500 direct jobs, with a workforce of approximately 1,600 people during the production phase.
Overview
Pascua-Lama is a bi-national mining project owned by Barrick Mining Corporation, with Wheaton Precious Metals Corp. also linked to the operation. It straddles the border of Chile's Atacama Region and Argentina's San Juan Province in the Andes mountains, at an altitude ranging from 3,800 to 5,200 metres. Construction of the large-scale open-pit operation began in October 2009 but was suspended in the fourth quarter of 2013 due to environmental issues, legal challenges, and cost overruns. The Chilean portion was definitively closed in September 2020, with a US$136 million closure plan submitted in January 2024. The Argentinian side, Lama, is under re-evaluation for a potential underground block-cave operation.
Production
Initial production estimates for the first five years were between 800,000 and 850,000 ounces of gold and 35 million ounces of silver annually.
Processing
The processing plan involved crushing the ore in Chile and then transporting it via a 2.7-kilometre tunnel to a processing facility in Argentina. The plant was designed for a throughput of 45,000 tonnes per day and would use wet grinding, conventional flotation for copper concentrates, and cyanide leaching to produce gold and silver doré.
Equipment
The planned equipment fleet included electric rope shovels, diesel hydraulic shovels, front-end loaders, and a fleet of 30 haul trucks with a 290-tonne capacity each, along with bulldozers, graders, and water trucks.
Expansion
On the Argentinian side, known as Lama, Barrick is exploring the feasibility of a potential underground block-cave mining operation. This re-evaluation includes assessing the Penelope deposit's suitability for heap leaching at the nearby Veladero mine.

Companies & Ownership (2)

Pueblo Viejo

Sánchez Ramírez Province, Dominican Republic · Open Pit

Operating
GoldSilverCopperZinc
Commodities, grades and output
YearCommodityAv. GradeOutput
2025Gold2.06 g/t631667 oz
2025Silver11.16 g/t150000000 oz
2024Gold2.46 g/t755 koz
2024Silver19.09 g/t5.86 Moz
2023Gold2.39 g/t558333 oz
2023Silver14.14 g/t4.04 Moz
2022Gold2.68 g/t713333 oz
2022Silver13.6 g/t2178917 oz
2021Gold-813595 oz
2021Silver-2390686 oz
2020Gold-903033 oz
2020Silver-2746149 oz
2019Gold-982791 oz
2019Silver-3201566 oz
2018Gold-581000 oz
2018Silver-5006410 oz
Opened
2012-01-01
End year
2049
Mine life
37 years
Capex (est.)
USD 2.60B
Workforce
The workforce consists of approximately 2,350 to 3,000 direct employees and several thousand contractors. The labour force is predominantly local, with 97 to 98 per cent of employees being Dominican nationals.
Overview
The Pueblo Viejo mine is a large, operating open-pit mine located in the Sánchez Ramírez Province of the Dominican Republic, approximately 100 kilometres northwest of the capital, Santo Domingo. The operation is a joint venture, operated by Pueblo Viejo Dominicana Corporation (PVDC), which is owned by Barrick Gold Corporation (60%) and Newmont Corporation (40%). Newmont acquired its interest through its 2019 acquisition of Goldcorp. The mine consists of two main pits, Moore and Monte Negro, and uses a conventional truck and shovel mining method.
Production
First gold was produced in 2012, with commercial production beginning in 2013. In 2018, the mine produced 581,000 ounces of gold. Barrick reported its 60 per cent share of gold production for 2025 was 379,000 ounces.
Processing
Ore processing is complex due to its double refractory nature. The process involves crushing in a gyratory crusher, grinding in SAG and ball mills equipped with gearless mill drives, and then pressure oxidation of the whole ore in four large autoclaves at high temperature and pressure. This is followed by a carbon-in-leach (CIL) circuit that uses cyanide to recover the gold and silver, which is ultimately produced as a gold-silver doré bar.
Equipment
The equipment fleet includes CAT 994 loaders, Hitachi 3600 hydraulic shovels, and CAT 789 rear-dump trucks.
Expansion
A major plant expansion and mine life extension project is underway to sustain operations beyond 2040. This project aims to maintain an average annual production of more than 800,000 ounces of gold by increasing plant throughput to a planned capacity of about 14 million tonnes per annum. The expansion has an estimated capital cost of between US$2.1 billion and US$2.6 billion. A key component of the project is the construction of a new tailings storage facility, known as the Naranjo TSF, which has necessitated a community resettlement program managed through a Resettlement Action Plan.
Power sources
Natural GasSolar

Companies & Ownership (2)

Porgera

Enga Province, Papua New Guinea · Open Pit

Operating
Gold

Companies & Ownership (1)

Long Canyon

Nevada, United States · Open Pit

Care And Maintenance
Gold

Companies & Ownership (1)

Phoenix Complex

Nevada, United States · Open Pit

Operating
Gold
Overview
Includes Phoenix (encompassing the former Fortitude and Northeast Extension pits), Greater Midas, Reona, Iron Canyon open pit mines.

Companies & Ownership (1)

Cortez Complex

Nevada, United States · Open Pit

Operating
Gold
Overview
Includes Pipeline, Crossroads, Cortez Hills open pit mines and Cortez Hills underground mine.

Companies & Ownership (1)

Kibali

Haut-Uélé Province, Democratic Republic of Congo · Open Pit

Operating
Gold
Commodities, grades and output
YearCommodityAv. GradeOutput
2025Gold2.79 g/t673000 oz
2024Gold2.82 g/t686000 oz
End year
2043
Mine life
30 years
Workforce
3173 (as of 2025)
Production
Production overview - 2025: gold 673000 oz; 2024: gold 686000 oz.
Processing
The metallurgical plant consists of a twin-circuit sulphide and oxide plant with a throughput capacity of up to 7.2 million tonnes per annum. The process includes conventional carbon-in-leach (CIL), gravity recovery, flotation, and an ultra-fine grind circuit.
Equipment
The open-pit mining contractor utilises a fleet of 48 Cat haul trucks, blasthole drill rigs, wheel loaders, dozers, graders, wheel dozers, and water delivery systems. The underground fleet includes MacLean EC3 Emulsion Chargers, a WS3 Water Sprayer, a FL3 Fuel Lube Truck, BT3 Boom Trucks, an SL3 Scissor Lift, and a TM2 Mobile Concrete Mixer.
Expansion
Drilling results from the ARK-KCD corridor continue to show potential to host significant additional orebodies and further extend the mine life. A February 2026 technical report outlines a life-of-mine plan to 2043. A 16MW solar plant with battery storage has been commissioned, increasing the mine's use of renewable energy to 85%.
Power sources
SolarBattery Storage
Rackla

Yukon, Canada · Open Pit

Under Development
GoldSilver
Overview
The Rackla property is a large land package of over 700 square miles.
Processing
A 2020 preliminary economic assessment for the Tiger deposit proposed a processing plant using conventional crushing, grinding, cyanidation by carbon-in-pulp (CIP), and gold recovery from loaded carbon to produce gold doré.
Expansion
Hecla Mining Company acquired the Rackla property in 2023. It is considered an advanced-stage project. The company plans a desktop review of the project in 2025, to be followed by a comprehensive exploration program in 2026.

Companies & Ownership (2)

Connaught

Yukon, Canada · Open Pit

Feasibility
CopperMolybdenumSilverLeadGold
Commodities, grades and output
YearCommodityAv. GradeOutput
2022Copper0.17 %-
2022Molybdenum114 ppm-
2022Silver4250 g/t-
2022Lead82.5 %-
2022Gold0.18 g/t-
Overview
The Connaught property is located approximately 65 km west of Dawson City. Hecla Mining Company acquired the Connaught project through its acquisition of ATAC Resources, a deal that was finalised in 2023. The project is considered to have potential for a high-grade silver-lead-zinc-copper-gold vein system, as well as copper-molybdenum porphyry targets.
Expansion
Hecla Mining Company acquired the Connaught project through its acquisition of ATAC Resources, a deal that was finalised in 2023.

Companies & Ownership (1)

Kinskuch

British Columbia, Canada · Underground

Under Development
SilverGoldCopper
Opened
1911-01-01
Overview
The Kinskuch property includes the past-producing Esperanza Mine (1911-1948), which produced 4,662 tonnes of ore with average grades of 983.9 g/t silver and 1.77 g/t gold. The property is considered prospective for silver, gold, and copper mineralisation and includes the underexplored Illiance trend.
Expansion
Dolly Varden Silver Corp. acquired the Kinskuch property from Hecla Mining Company in May 2025, consolidating it into Dolly Varden's 77,000-hectare Kitsault Valley Project. Dolly Varden has commenced a fully-funded 35,000-metre diamond drilling program for its 2025 exploration season, with initial geological mapping and reconnaissance planned for Kinskuch to generate drill targets under a five-year Exploration Permit.

Companies & Ownership (2)

Republic Project

Washington, United States · Underground

Under Development
GoldSilver
Overview
The Republic Project is an exploration-stage asset owned by Hecla Mining Company, located in Washington, United States. The project is situated in the Republic Mining District in Ferry County. Hecla Mining Company lists Republic as an "emerging opportunity" and allocates 1% of its exploration budget to the project. The company's strategic focus for the property includes the integration of historical datasets with 3D modelling and modern exploration techniques. Hecla's land package in the district covers 3,583 acres, encompassing major historic productive trends.

Companies & Ownership (1)

Aurora

Nevada, United States · Open Pit

Care And Maintenance
GoldSilver
Commodities, grades and output
YearCommodityAv. GradeOutput
2023Gold-0
2018Gold-0.8280000000000001 t
1996Gold3.43 g/t0.4155116565 t
1996Silver-0.9440534319999999 t
1995Gold4.11 g/t0.46496622149999994 t
1994Gold3.43 g/t0.343071605 t
1993Gold3.43 g/t0.26549947599999996 t
1992Gold5.14 g/t0.38207539399999996 t
Opened
1860-01-01
Workforce
There were zero company employees in 2023, though a minimal staff presence is maintained for site upkeep.
Overview
The Aurora mine, located in Mineral County, Nevada, United States, is owned and operated by Hecla Mining Company through its subsidiary, Klondex Aurora Mine Inc. The mine is currently on care and maintenance, with production suspended in the second half of 2021. Historically, it has operated using both open pit and underground mining methods, primarily extracting gold and silver.
Production
The historic Aurora mining district has recorded production of 1.9 million ounces of gold and 20 million ounces of silver.
Processing
Existing infrastructure at the site includes a 600-tonne-per-day mill, which is seen as a potential processing hub for the wider Walker Lane trend. There has also been work to modify a water pollution control permit to allow for the potential reprocessing of historical tailings.
Equipment
Existing infrastructure at the site includes a 600-tonne-per-day mill.
Expansion
The Polaris Exploration Project was approved in late 2025, allowing exploration activities to commence in 2026 to test multiple epithermal vein systems for high-grade gold and silver. Hecla Mining has allocated a portion of its 2026 exploration and pre-development budget to its Nevada growth projects, including Aurora. There has also been work to modify a water pollution control permit to allow for the potential reprocessing of historical tailings.
Power sources
Grid
Water sources
Groundwater

Companies & Ownership (1)

Greens Creek

Alaska, United States · Underground

Operating
SilverGoldLeadZinc
Commodities, grades and output
YearCommodityAv. GradeOutput
2025Silver-8.7 Moz
2025Gold-59349 oz
2025Lead-18.2 kt
2025Zinc-51.3 kt
2023Silver-9.7 Moz
2023Gold-60900 oz
2023Zinc-51500 t
2023Lead-19600 t
2001Zinc12 %-
2001Lead4 %-
2001Silver414 g/t-
2001Gold6 g/t-
Opened
1989-01-01
Mine life
13 years
Workforce
approximately 510-512 people
Overview
The mine is located within the Admiralty Island National Monument.
Production
Production overview - 2025: silver 8.7 Moz, gold 59349 oz, lead 18.2 kt, zinc 51.3 kt; 2023: silver 9.7 Moz, gold 60900 oz, zinc 51500 t, lead 19600 t.
Processing
The primary mining methods are cut-and-fill and longhole stoping. The ore concentrating mill uses flotation and gravity processes to recover the minerals. The company is evaluating the development of a pyrite concentrate circuit at the mill to generate an additional marketable concentrate and boost silver and gold recoveries. Hecla is also studying the economic potential of reprocessing mine tailings.
Expansion
In January 2025, the U.S. Forest Service approved a five-year plan of operations for the Greens Creek Surface Exploration Project. Copper became a payable metal for the mine in 2024, creating a new revenue stream.

Companies & Ownership (1)

Polaris Exploration Project

Nevada, USA · Underground

Under Development
GoldSilver
Overview
The Polaris Exploration Project is a gold and silver exploration project by Hecla Mining Company in the Aurora Mining District, Nevada, USA. Federal permits were granted in 2025/2026 for a ten-year exploration program starting in 2026, involving road construction and drill sites. No mining or processing is proposed yet; the objective is to explore for high-grade gold and silver. Mining method is undetermined.
Equipment
600-ton-per-day mill

Companies & Ownership (1)

Greens Creek

Alaska, USA · Cut And Fill

Operating
SilverGoldLeadZinc
Commodities, grades and output
YearCommodityAv. GradeOutput
2025Silver-8700000 oz
2025Gold-59349 oz
2024Silver-8500000 oz
2024Gold-55275 oz
2023Silver-9700000 oz
2023Gold-60900 oz
Opened
1989-01-01
End year
2043
Autonomous haulage
Yes
Workforce
512 people
Overview
This mine is located on Admiralty Island.
Production
Production overview - 2025: silver 8700000 oz, gold 59349 oz; 2024: silver 8500000 oz, gold 55275 oz.
Processing
The mine uses a conventional flotation concentrator to produce a gravity gold concentrate, a silver concentrate, a zinc concentrate, and a precious metals concentrate. The mill processes approximately 2,300 tons of ore per day. The primary mining methods are cut and fill and longhole stoping. In 2025, 54% of the tailings were reused as backfill. The company is also evaluating the economic potential of reprocessing tailings to recover critical minerals.
Equipment
The mine utilises conventional underground mining equipment. The company is advancing the use of tele-remote and battery-powered load, haul, and dump equipment to reduce ventilation requirements and improve worker safety. The underground mobile equipment fleet includes at least one Sandvik LH514 LHD capable of semi-autonomous operation and another that can be operated via a tele-remote system from the surface.
Expansion
In November 2024, the U.S. Forest Service gave final approval for an extension of the mine's production for 12 to 18 years, ensuring operations can continue past 2031. This extension includes additional capacity for the disposal of mining waste. In January 2025, a five-year plan for surface exploration was approved to identify new mineral targets not accessible from underground. In early 2026, the company received a notice authorising surface exploration operations to commence. The company is also evaluating the feasibility of a pyrite concentrate circuit at the mill, which could provide cash flow in about two years.

Companies & Ownership (1)

Reko Diq Project

Balochistan, Pakistan · Open Pit

Under Development
CopperGold

Companies & Ownership (1)

Jabal Sayid

Al Madinah Region, Saudi Arabia · Underground

Operating
CopperGoldSilver

Companies & Ownership (1)

Page 1 of 61 (1443 total)