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Page 121 of 147 (3508 total)
Poboya Gold Mine

Central Sulawesi, Indonesia · Open Pit

Operating
Gold
Commodities, grades and output
YearCommodityAv. GradeOutput
2023Gold-236 kg
2022Gold-174 kg
2021Gold-139 kg
2020Gold-73.48 kg
End year
2050
Mine life
30 years
Workforce
Approximately 1,570 (338 direct, 1,232 contractor) as of January 2023.
Overview
The Poboya gold mine is located in Sulawesi, Indonesia, and is owned by PT Citra Palu Minerals (CPM), a subsidiary of PT Bumi Resources Minerals Tbk. Australian mining services company, Macmahon Holdings, has been contracted for both open-cut and underground mining operations. In September 2024, Macmahon was selected as the mining services contractor for open-cut activities, with the contract expected to be completed in September 2026. In March 2025, Macmahon was also appointed to provide underground mining services. The development of the underground mine began in early 2025 and is targeted to start operations in the second half of 2027.
Production
Production overview - 2023: gold 236 kg; 2022: gold 174 kg.
Processing
The mine currently operates two gold ore processing plants using Carbon-In-Leach (CIL) technology. The first plant has a capacity of 500 tonnes of ore per day, and the second has a capacity of 4,000 tonnes of ore per day. A third plant using the heap leach method is expected to be operational in 2025. The first CIL plant is undergoing an expansion to 2,000 tonnes per day, which is expected to be completed by October 2026. The second plant's capacity is being optimised to 4,500 tpd.
Equipment
Macmahon provides drilling, loading, and hauling equipment for both open-cut and underground operations. CPM is responsible for supplying all major capital equipment and infrastructure for the project. In February 2025, SouthSeas signed a contract to provide key electrical equipment for the Poboya Gold Mining project.
Expansion
Macmahon Holdings secured an interim contract for underground mining services in March 2025, which will transition to a five-year alliance-style contract. This is in addition to their existing open-cut mining services contract which commenced in September 2024. The underground development is a significant expansion for the mine. CPM is also constructing a third processing plant using the heap leach method, which is expected to be operational in 2025. The first Carbon-in-Leach (CIL) plant is being expanded from a capacity of 500 tonnes per day to 2,000 tonnes per day, with completion scheduled for October 2026. The larger 4,000 tpd facility is also being optimised to 4,500 tpd.
Companies & ownership
  • PT Bumi Resources Tbk
  • Macmahon Holdings Limited
    ASX:MAH
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Red Dog Operations

Alaska, United States · Open Pit

Operating
ZincLeadSilver
Opened
1989-01-01
End year
2032
Overview
One of the world's largest zinc mines, located approximately 170 kilometres north of the Arctic Circle in northwest Alaska, near Kotzebue. It is an active, open-pit truck-and-loader operation.
Production
In 2025, zinc production was 462,700 tonnes and lead production was 107,000 tonnes.
Processing
Conventional grinding and sulphide flotation methods to produce zinc and lead concentrates, involving three stages of grinding and froth flotation.
Equipment
trucks, loaders, drill and blast equipment
Companies & ownership
  • Teck Resources
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Loa Ulung

East Kalimantan, Indonesia · Open Pit

Operating
Coal
Opened
1992-01-01
Overview
Operational open-pit mine covering 984.5 hectares in Tenggarong Seberang sub-district. Coal is marketed as 'Kutai Coal'.
Processing
crushing and screening, coal preparation plant, jig and cyclone classifiers for de-sliming, open sump dewatering method
Equipment
Multiflow MFC-140 pumps, Warman pumps, Mitsubishi engines
Companies & ownership
  • PT Bumi Resources Tbk
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North Pulau Laut Coal Terminal

South Kalimantan, Indonesia · Processing Facility

Operating
Coal
Overview
Located on the north coast of Laut Island, supporting mining operations.
Companies & ownership
  • PT Bumi Resources Tbk
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Sarongga Mine

South Kalimantan, Indonesia · Open Pit

Operating
Coal
Companies & ownership
  • PT Bumi Resources Tbk
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Kintap Mine

South Kalimantan, Indonesia · Open Pit

Operating
Coal
Opened
2011-01-01
Overview
Located in Mekarsari Village, Tanah Laut Regency, producing sub-bituminous 'ecocoal'.
Processing
coal processing plant
Companies & ownership
  • PT Bumi Resources Tbk
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Asamasam Mine

South Kalimantan, Indonesia · Open Pit

Operating
Coal
Opened
2004-01-01
Overview
Located in the Jorong District of the Tanah Laut Regency, producing low-calorie Ecocoal.
Production
approximately 3.2 million tons of coal annually
Companies & ownership
  • PT Bumi Resources Tbk
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Batulicin Mine

South Kalimantan, Indonesia · Open Pit

Operating
Coal
Opened
2003-01-01
Overview
Coal from this site is transported by truck from the pits to the Batulicin barge port for shipment.
Companies & ownership
  • PT Bumi Resources Tbk
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Satui Mine

South Kalimantan, Indonesia · Open Pit

Operating
Coal
Opened
1990-01-01
Overview
One of the first sites operated by the company, producing bituminous coal.
Production
2 million tons per year (1990-1995)
Equipment
hybrid electric excavators
Companies & ownership
  • PT Bumi Resources Tbk
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Senakin Mine

South Kalimantan, Indonesia · Open Pit

Operating
Coal
Opened
1990-01-01
Overview
The first production area for Arutmin, producing high-calorie bituminous coal.
Production
4 million tons per year (1990-1995)
Processing
coal washing area
Companies & ownership
  • PT Bumi Resources Tbk
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Kaltim Prima Coal

East Kalimantan, Indonesia · Open Pit

Operating
Coal
End year
2031
Workforce
Almost 5,000 employees (early 2016).
Overview
Major open-pit thermal coal mining operation in Sangatta, East Kalimantan, Indonesia. One of the largest open-pit mines globally, covering 61,543 hectares.
Production
55.0 million tonnes in 2024, 53.5 million tonnes in 2023. Aims for 53.5 million tonnes annually for 2024-2026. Total coal reserves ~600 million tonnes (March 2024).
Processing
Run-of-mine coal processed at Sangatta coal preparation plant (7,100 tph crushing capacity) and a dense medium cyclone plant (1.4 Mtpa for dirty coal).
Equipment
Truck and shovel method, hydraulic shovels, backhoes, Caterpillar and Komatsu trucks, GPS dispatch system, coal preparation plants, overland conveyor, Tanjung Bara Coal Terminal, barge loading facilities, 3x18 MW steam power plant.
Companies & ownership
  • PT Bumi Resources Tbk
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Sullivan Mine

British Columbia, Canada · Underground

Closed
ZincLeadSilverTin
Opened
1909-01-01
End year
2001
Mine life
92 years
Workforce
1,000 people per year (during operation)
Overview
The Sullivan Mine, operated by Teck Resources Limited's predecessor companies, was a major underground mine located in Kimberley, British Columbia, Canada. It primarily produced zinc, lead, and silver, with tin also being an economic metal. The mine operated for 92 years, from 1909 until its closure on December 21, 2001, due to the exhaustion of its reserves. At closure, it was one of the largest underground mines in Canada.
Production
26 million tonnes of lead, zinc, and silver concentrates; 160 million tons of ore containing 8 million tons of lead, 7 million tons of zinc, and 285 million troy ounces of silver; concentrator capacity of 11,000 tonnes per day
Processing
on-site concentrator, differential flotation process
Equipment
underground narrow-gauge rail system, 25 pumps, 30 kilometres of pipeline, Drainage Water Treatment Plant
Companies & ownership
  • Teck Resources
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Quebrada Blanca - Future Expansions

Tarapacá Region, Chile · Open Pit

Feasibility
CopperMolybdenumSilver
Overview
Future expansions beyond the current QB2 project are in the conceptual stage. Concept-level studies were ongoing as of February 2026 to assess various options for developing the vast Quebrada Blanca resource, with further studies planned for 2026. Geometallurgical and geotechnical drilling was undertaken in 2025 to support these studies.
Companies & ownership
  • Teck Resources
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Quebrada Blanca Optimization and Debottlenecking

Tarapacá Region, Chile · Open Pit

Operating
CopperMolybdenum
End year
2050
Mine life
27 years
Overview
Significant expansion (QB2) developing deeper sulphide resource, utilizing desalinated seawater, and featuring autonomous haul trucks. Ramping up to full production through 2023.
Production
Targeted 285,000 – 315,000 tonnes of annual copper production (2024-2026); 207,800 tonnes in 2024.
Processing
Concentrator plant (140,000 tonnes-per-day capacity) including crushing, milling, bulk flotation, thickening, and filtering.
Equipment
Caterpillar 794AC electric drive off-highway trucks, autonomous haul trucks
Companies & ownership
  • Teck Resources
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San Nicolas Project

Zacatecas, Mexico · Open Pit

Feasibility
CopperZincGoldSilver
Opened
2026-01-01
End year
2041
Mine life
15 years
Overview
The San Nicolas Project is a copper-zinc development project located in Zacatecas, Mexico. It is a volcanogenic massive sulphide (VMS) deposit and is considered the largest undeveloped VMS deposit in Mexico.
Production
expected to produce an average of 63,000 tonnes of copper and 147,000 tonnes of zinc in concentrate per year for the first five years of operation
Processing
flotation plant to produce copper and zinc concentrates
Companies & ownership
  • Teck Resources
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NuevaUnión

Atacama Region, Chile · Open Pit

Under Development
CopperGoldMolybdenumSilver
Mine life
32 years
Workforce
Approximately 4,000 jobs during construction and 1,400 jobs during operation.
Overview
Combines the former Relincho and El Morro (La Fortuna) projects, located approximately 40 kilometres apart. Considered one of the largest undeveloped copper-gold-molybdenum projects in the Americas.
Production
A 2018 pre-feasibility study indicated average annual production for the first five years of 224,000 tonnes of copper, 269,000 ounces of gold, and 1,700 tonnes of molybdenum. A PEA estimated an initial capacity of 90,000 to 110,000 tonnes per day, producing an average of approximately 190,000 tonnes of copper and 315,000 ounces of gold per year for the first 10 years.
Processing
Single-line mill and concentrator facility at the Relincho site, utilizing desalinated seawater.
Equipment
Conveyor, single-line mill and concentrator facility, desalinated seawater system, single concentrator plant, one tailings deposit.
Companies & ownership
  • Teck Resources
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Zafranal Project

Arequipa, Peru · Open Pit

Under Development
CopperGoldSilver
Opened
2028-01-01
End year
2047
Mine life
19 years
Workforce
During construction: approximately 3,000 direct and 1,000 indirect jobs. Once operational: approximately 834 direct and 423 indirect jobs.
Overview
The Zafranal Project is a copper-gold project in the Arequipa region of southern Peru, a joint venture between Teck Resources Limited (80%) and Mitsubishi Materials Corporation (20%). It is currently under development, with regulatory approval received. Construction could start in 2025, with production commencing in 2028 or 2029.
Production
Average of 133,000 tonnes of copper in concentrate during the first five years of operation. Over the entire mine life, the average annual production is estimated to be 76,000 tonnes of copper and 29,000 ounces of gold.
Processing
Conventional concentration process with a plant capacity of up to 80,000 tonnes of ore per day, including primary crushing, grinding, flotation with regrinding, thickening, and filtering.
Equipment
Open-pit mine utilising truck and shovel operations. Processing plant includes primary crusher, grinding circuit, flotation circuit, thickening, filtering. Plans for two additional mobile crushers and a 3,600-metre-long tunnel with a conveyor belt.
Companies & ownership
  • Teck Resources
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Galore Creek Project

British Columbia, Canada · Open Pit

Care And Maintenance
CopperGoldSilver
Mine life
20 years
Workforce
Approximately 1,200 direct employees once operational.
Overview
One of the world's largest undeveloped copper-gold-silver deposits, currently in the pre-feasibility stage.
Production
Approximately 60,000 tonnes of ore per day.
Processing
Conventional grinding and flotation circuit to produce a copper-gold concentrate with gold and silver credits. Ore processed through a single gyratory crusher, conveyed to a coarse ore stockpile, then to a single-line grinding and flotation concentrator.
Equipment
large haul trucks, shovels, and drills. Potential for a fully electric haulage fleet.
Companies & ownership
  • Teck Resources
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HVC Mine Life Extension Project

British Columbia, Canada · Open Pit

Under Development
CopperMolybdenum
End year
2046
Mine life
18 years
Workforce
approximately 2,900 jobs during the construction phase; ongoing operations at Highland Valley Copper will maintain around 1,500 direct jobs, with the expansion projected to add about 200 jobs to the existing workforce
Overview
A brownfield extension of Teck Resources Limited's existing Highland Valley Copper (HVC) Operations, involving the extension of the Highmont and Valley open pits.
Production
average annual copper production of 132,000 tonnes over the life of the mine; projected to process an additional 900 million tonnes of ore to yield approximately 1.95 million tonnes of copper over the extended mine life
Processing
autogenous and semi-autogenous grinding and flotation to produce metal concentrates
Equipment
expansion of the mine fleet and upgrades to the grinding circuit
Companies & ownership
  • Teck Resources
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Red Dog

Alaska, United States · Open Pit

Operating
ZincLeadSilver
Companies & ownership
  • Teck Resources
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Carmen de Andacollo

Coquimbo Region, Chile · Open Pit

Operating
CopperGold
Opened
1996-01-01
End year
2031
Workforce
622 permanent workers and 578 contract workers.
Overview
The Andacollo mine, officially named Carmen de Andacollo, is an open-pit copper and gold mine located in the Coquimbo Region of central Chile. It is situated approximately 350 kilometers north of Santiago.
Production
copper production of 39,000 tonnes in 2023, 40,000 tonnes in 2024, and projected 51,000 tonnes in 2025. Flotation plant capacity up to 55,000 tonnes of ore per day.
Processing
processing hypogene ore through a semi-autogenous grinding and flotation plant
Equipment
semi-autogenous grinding and flotation plant
Expansion
operational continuity project to extend mine life until 2031
Companies & ownership
  • Teck Resources
  • Royal Gold, Inc.
    NYSE:RGLD
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Quebrada Blanca

Tarapacá Region, Chile · Open Pit

Operating
CopperMolybdenumSilver
End year
2050
Mine life
27 years
Workforce
Over 3,000 local workers, approximately 30% women, 42% from the Tarapacá Region
Overview
A large, open-pit copper and molybdenum mine located in the Tarapacá Region of northern Chile. The current operation, Quebrada Blanca Phase 2 (QB2), is an expansion developing the deeper sulphide resource with a major expansion of the open pit and a new concentrator. It uses 100% desalinated seawater for all production processes.
Production
Concentrator plant capacity of 140,000 tonnes per day. Production guidance for 2025 is between 210,000 and 230,000 metric tons of copper. QB2 project aims for an annual production of 316,000 tonnes of copper-equivalent for the first five full years of operation.
Processing
crushing, milling, and bulk flotation of the ore in a concentrator plant with a capacity of 140,000 tonnes per day, 100% desalinated seawater for all production processes, tailings storage facility
Equipment
Komatsu 930E-4SE haul trucks (291 tonnes capacity), Caterpillar 794AC electric drive off-highway trucks, autonomous haulage technology
Companies & ownership
  • Teck Resources
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Antamina

Ancash Region, Peru · Open Pit

Operating
SilverCopperZincMolybdenum
Opened
2001-01-01
Overview
Franco-Nevada Corporation holds a silver stream on production from the Antamina mine, which is operated by Compañía Minera Antamina S.A. The stream agreement has an effective date of July 1, 2015.
Production
Annual silver stream contributions are expected to average 2.8 - 3.2 million ounces. For 2026, an increase in silver ounces to between 3.5 and 3.7 million is anticipated, compared to 3.2 million ounces sold in 2025.
Equipment
wholly owned mining infrastructure, including a concentrate pipeline and port facilities.
Companies & ownership
  • Teck Resources
  • Franco-Nevada Corporation
    TSX:FNV
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Trail Operations

British Columbia, Canada · Processing Facility

Operating
ZincLeadSilverGold
Opened
1896-01-01
Workforce
Approximately 1,200 workers (as of November 2025).
Overview
Trail Operations is a metallurgical facility located in Trail, British Columbia, Canada. It is one of the world's largest fully integrated zinc and lead smelting and refining complexes, processing lead concentrates, recycled lead-acid batteries, and e-waste.
Production
In 2025, produced 229,900 tonnes of refined zinc (Q4 2025: 68,100 tonnes). In 2024, produced 256,000 tonnes of refined zinc (Q4 2024: 20,900 tonnes refined lead). Capacity to recycle 30,000 tonnes of e-waste and 36,000 tonnes of lead-acid batteries annually.
Processing
Processes lead concentrates, recycled lead-acid batteries, and residues from zinc circuits in a KIVCET flash furnace to produce lead bullion, which is then electro-refined. Utilizes electrolytic refining for zinc. Also processes e-waste for metals reclamation. Historically developed differential flotation.
Equipment
KIVCET flash furnace, lead refinery with anode casting machines, automated machines for casting lead ingots, electrolytic and melting plants, two acid plants.
Companies & ownership
  • Teck Resources
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Page 121 of 147 (3508 total)