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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 9 (195 total)
Mt Webber

Western Australia, Australia · Open Pit

Operating
Iron Ore
Opened
2014-01-01
End year
2024
Mine life
18 years
Workforce
approximately 80 personnel (average project workforce from July 2022 to end of 2024)
Overview
Mt Webber is an active open-pit iron ore mine located in the Pilbara region of Western Australia, approximately 230 kilometres south-southeast of Port Hedland. It consists of several deposits, including Ibanez, Fender, Gibson, and Daltons.
Production
Initial targeted production rate of 3 million tonnes per annum (Mtpa), with plans to expand to 6 Mtpa.
Processing
crushing and screening circuit, including a new ore handling plant, a new crushing plant (1,000 tonnes per hour capacity), a three-stage crushing and screening circuit, a sampling station, and two radial stackers.
Equipment
conventional open-pit mining equipment (drilling, blasting, loading, hauling)
Expansion
initial development targeted 3 million tonnes per annum (Mtpa) production, with plans to expand to 6 Mtpa.
Companies & ownership
  • Atlas Iron Limited
    ASX:AGO
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Tucumã Operation

Pará State, Brazil · Open Pit

Operating
CopperGoldIron Ore
End year
2033
Mine life
12 years
Workforce
approximately 2,220 people (construction phase); over 90% of operational staff hired by June 2024
Overview
The Tucumã Operation, formerly known as the Boa Esperança Project, is an open-pit mine located in Pará State, Brazil, within the Carajás Mineral Province. The primary commodity is copper, and the deposit is an iron oxide copper gold (IOCG) type.
Production
mill designed to treat 4.0 million tonnes of ore annually. In 2024, 5,156 tonnes of copper in concentrate produced. In 2025, 28,272 tonnes of copper in concentrate produced. Production guidance for 2026 is between 32,500 and 37,500 tonnes of copper in concentrate.
Processing
conventional three-stage crushing circuit with primary, secondary, and tertiary crushers, a ball mill for comminution, and flotation to produce a high-grade copper concentrate
Equipment
backhoe configured excavator and 38-tonne conventional trucks
Companies & ownership
  • Ero Copper Corp.
    TSX:ERO
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Red Canyon Quarry

Colorado, United States · Quarry

Operating
GoldSilverIron OreCoalDiamondsLithium+38
Overview
The Red Canyon Quarry produces a range of construction aggregates. Materials from the quarry are utilised as aggregate for asphalt and concrete, rip-rap, aggregate base, decorative rock, and baseball field infield mix.
Processing
drill and shoot
Expansion
Martin Marietta acquired the Red Canyon Quarry in February 2016 through the acquisition of Colorado Springs-based Rocky Mountain Materials & Asphalt and Rocky Mountain Premix.
Companies & ownership
  • Martin Marietta Materials, Inc.
    NYSE:MLM
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Santo Domingo Project

Atacama, Chile · Open Pit

Under Development
CopperIron OreGold
Mine life
19 years
Workforce
1,550 to 4,060 workers during construction; 1,055 employees once operational
Overview
The Santo Domingo Project is a fully-permitted copper-iron-gold project operated by Capstone Copper Corp. in the Atacama region, Chile. It will be developed as two open-pit mines, Santo Domingo and Iris Norte.
Production
Projected average annual production for the first seven years: 106,400 tonnes of copper and 3.7 million dry metric tonnes of iron concentrate. Life-of-mine average annual production: 68,100 tonnes of copper and 3.6 million dry metric tonnes of iron concentrate. Total life-of-mine copper production: 1.3 million tonnes.
Processing
Copper-iron concentrator with a designed maximum throughput of 72,000 tonnes per day, using Autogenous Grinding (AG) milling, conventional rougher cell flotation, regrinding, classification, Jameson Cells, and Low Intensity Magnetic Separation for magnetite recovery
Equipment
electric and hydraulic shovels, a wheel loader, and 290-tonne capacity haul trucks, supported by drilling rigs, tracked and wheel dozers, motor graders, and water trucks
Expansion
Agreement for Orion Resource Partners LP to acquire a 25% interest upon a positive final investment decision
Companies & ownership
  • Capstone Copper Corp.
    ASX:CSC · TSX:CS
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AIM (Acid, Iron, Metal) Plant

Central Sulawesi, Indonesia · Processing Facility

Operating
SulfurIron OreCopperLeadZincGold+1
Overview
The AIM Plant is a processing facility located in the Indonesia Morowali Industrial Park (IMIP). It processes high-grade pyrite spent ore from the Wetar Copper Mine, designed to treat over 1 million tonnes per year. It produces sulphuric acid, saturated steam, iron ore pellets, copper sponge, copper cathodes, lead-zinc hydroxides, gold doré, and silver.
Production
Nominal rate of over 1 million tonnes per year; capacity of 1.2 million tonnes per annum for acid and steam. Q3 2025 production: 251,715 tonnes of acid, 48,228 tonnes of iron pellets, 464 tonnes of copper sponge. Q4 2025 production: 321 tonnes of LME-grade copper cathode.
Processing
concentrator for pyrite concentrate, acid plant, chloridising roasting plants, metal extraction plant; involves milling, pyrite flotation, concentrate thickening and filtration, roasters producing sulphur dioxide gas for sulphuric acid plants, and a chloride roaster for calcine, with base and precious metals recovered from the gas stream.
Equipment
mill, roasters, acid plants, a disc pelletizer, chloride rotary kiln, trucks, barges
Companies & ownership
  • PT Merdeka Copper Gold Tbk.
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Mimosa Operation

Midlands Province, Zimbabwe · Underground

Operating
PlatinumPalladiumRhodiumRutileIron OreGold+2
End year
2034
Overview
The Mimosa Operation is a shallow, mechanised underground mine located in Zimbabwe, situated on the Wedza Geological Complex of the Zimbabwean Great Dyke, 32 kilometres west of Zvishavane. It is a 50/50 joint venture between Sibanye-Stillwater and Impala Platinum.
Production
Annual production rate is approximately 2.9 million tonnes of ore. For the six months ending 31 December 2025, the mine produced 123,000 ounces of 6E concentrate. In the 2023 financial year, production was 245,000 ounces of 6E in concentrate. As of 31 December 2024, the 4E PGM production figure was 122,639 ounces.
Processing
on-site concentrator plant involving crushing, screening, milling, flotation, thickening, and filtration, with an operational capacity of approximately 233,000 tonnes per month.
Equipment
ore bunker, workshops, pump stations, network of strike, dip, and main conveyors, fleet of trackless mining machinery
Companies & ownership
  • Sibanye-Stillwater Limited
    NYSE:SBSW
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Port Playford

South Australia, Australia · Processing Facility

Under Development
Iron Ore
Workforce
estimated to create over 100 jobs during the construction phase and 80 permanent positions for ongoing port operations.
Overview
Port Playford is not a mine but a bulk commodity export terminal project. It is being developed on the 1068-hectare site of the former Northern and Playford A and B power stations, south of Port Augusta. It received development approval from the South Australian government in January 2021.
Production
The anticipated initial export capacity for the port is up to 15 million tonnes per annum. There is scope to potentially increase this to 50 million tonnes annually.
Processing
Port Playford is designed as a transhipment port. Ore will be received by rail, unloaded at an enclosed facility, and then transported via enclosed conveyors to be stored in stockpile sheds. From the stockpiles, it will be conveyed to the wharf and loaded onto barges for transfer to larger vessels in the Spencer Gulf.
Equipment
existing infrastructure, including a 5-kilometre rail loop and unloading facilities previously used for coal. The development plan includes upgrading existing facilities and constructing new infrastructure. This involves an iron ore-offloading facility at the rail line, enclosed conveyor systems to transfer ore to stockpile sheds, and from the sheds to the wharf. The plans also detail ore stockpile sheds, a wharf area with a crane platform and a transhipment loader. The port will use shallow-draft, self-unloading vessels or barges to move commodities from the wharf to larger Cape-sized, ocean-going bulk carriers moored at offshore trans-shipment points near Whyalla.
Expansion
scope to potentially increase this to 50 million tonnes annually.
Companies & ownership
  • Cu-River Mining Australia Pty Ltd
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Keetac Mine and Pellet Plant

Minnesota, United States · Open Pit

Operating
Iron Ore
Opened
1967-01-01
End year
2048
Workforce
New DR-grade facility created 33 full-time jobs. U.S. Steel's Minnesota Ore Operations (Keetac and Minntac) employs nearly 2,000 workers.
Overview
A taconite iron ore mine and processing facility located north of Keewatin, Minnesota, on the Mesabi Iron Range. It produces taconite, processed into iron ore pellets for steel mills, with flexibility to produce DR-grade or traditional blast furnace pellets.
Production
Historically, annual production capability of approximately 6 million net tons of pellets. Achieved 6 million net tons in 2021. New DR-grade facility expected to produce approximately 4 million tons annually.
Processing
Taconite ore is mined, crushed, and concentrated. Iron concentrate is separated magnetically. For DR-grade pellets, concentrate is further ground, formed into green balls in balling drums, and baked at high temperatures.
Equipment
processing plant, tailings basin, high-intensity grinding mill, balling drums, ore handling equipment, dry cartridge filters
Expansion
Recent $150 million investment for a direct reduced (DR)-grade pellet production facility (constructed August 2022 - December 2023). An earlier proposed expansion aimed to increase total annual production capacity to 9.6 million tons by restarting an idle production line.
Companies & ownership
  • United States Steel Corporation
    NYSE:X
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Minntac Mine and Pellet Plant

Minnesota, United States · Open Pit

Operating
Iron Ore
Opened
1967-01-01
End year
2031
Workforce
around 1,400 to 1,550 people at Minntac
Overview
The Minntac Mine and Pellet Plant is the largest single mining operation in Minnesota, extracting taconite and processing it into iron ore pellets for steelmaking.
Production
annual production capability of approximately 16 million tons of iron ore pellets. In 2021, the Minntac facility produced 16 million net tons of pellets.
Processing
The raw taconite undergoes three stages of crushing. In the concentrator facility, the ore is ground to a fine powder in rod and ball mills. Magnetic separators extract iron particles. The concentrated ore is sent to an agglomerator facility, mixed with a binder, rolled into balls, and fired in rotating kilns to produce pellets.
Equipment
46 crushers and 11.5 miles of conveyor belts
Expansion
A proposed mine extension in 2012 was intended to support operations until 2031.
Companies & ownership
  • United States Steel Corporation
    NYSE:X
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Angaston Quarry

South Australia, Australia · Open Pit

Operating
PhosphateMineral SandsSilica SandKaolinHalloysiteTitanium+39
Opened
1950-01-01
Workforce
40 jobs (2014)
Overview
The operational mine is an open-pit quarry located approximately 2.5 kilometres north of the township of Angaston, in the Barossa Valley region of South Australia, Australia. It produces limestone, marble, and aggregates for various industrial uses.
Production
approximately one million tonnes of industrial minerals and aggregates per annum (2014); 900,000 tonnes of material (2016)
Processing
crushing and grading of the extracted materials
Equipment
large fleet of Komatsu equipment, including WA600-3 and WA480-6 loaders and HD785-5 and HD465-5 dump trucks (information from 2010)
Companies & ownership
  • Adbri Limited
    ASX:ABC
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Buckland Project

Western Australia, Australia · Open Pit

Under Development
Iron Ore
Mine life
15 years
Overview
The Buckland Project was a development project in the West Pilbara, Western Australia, focused on iron ore. It included a proposed mine at Bungaroo South and an integrated mine-to-port operation.
Production
Proposed 8 million tonnes per annum (Mtpa) operation. Ore Reserves of 134.3 million tonnes at 57.6% Fe.
Processing
Direct shipping ore (DSO) product.
Equipment
Haul trucks with increased payloads of 260 tonnes per truck and the adoption of a semi-autonomous convoy road haulage solution.
Expansion
Investigation into expanding the proposed infrastructure solution to 20 Mtpa to also serve third parties.
Companies & ownership
  • BC Iron Limited
    ASX:BCI
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Nullagine Iron Ore Project

Western Australia, Australia · Open Pit

Care And Maintenance
Iron Ore
Workforce
approximately 30 BC Iron employees and 200 contractors at the time of suspension
Overview
The Nullagine Iron Ore Project is located in the Pilbara region of Western Australia, approximately 140km north of Newman and 20km southwest of Nullagine. It operated as a surface mining operation, initially as a 50/50 joint venture between BC Iron Limited and Fortescue Metals Group, later becoming a 75/25 unincorporated joint venture with BC Iron holding the majority share. Operations were suspended in December 2015 due to a decline in iron ore prices and the project was placed on care and maintenance.
Production
initial production target of 3 million tonnes per annum, with plans to increase to 5 million tonnes per annum
Processing
mining, crushing, and screening the ore on-site using a Striker crushing and screening plant
Equipment
Striker crushing and screening plant, 55km private, sealed haul road, standard road trains, Powertrans Pit Haulers (quad-axle haul trucks with 360 tonnes payload capacity)
Expansion
Nullagine Iron Ore Extension Project proposed to mine an additional 22 million tonnes of iron ore from the Bonnie East and Warrigal North mesas, extending mine life by up to five years
Companies & ownership
  • BC Iron Limited
    ASX:BCI
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Perrinvale Nickel Sulphide Project

Western Australia, Australia · Underground

Feasibility
NickelCopperPlatinumGoldZincSilver+1
Overview
Early-stage exploration project located approximately 260km northwest of Kalgoorlie in the Yilgarn Craton of Western Australia. It comprises nine exploration licenses and one miscellaneous license, totalling 306 square kilometres. Ardea Resources commenced exploration, identifying nickel-copper sulphide potential. Cobre Limited later acquired the project and continued exploration, defining a maiden JORC-2012 Mineral Resource Estimate for the Schwabe Deposit in April 2023.
Companies & ownership
  • Ardea Resources Limited
    ASX:ARL
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Whyalla Quarry

South Australia, Australia · Quarry

Operating
Silica SandGraphiteKaolinHalloysiteTitaniumIron Ore (Magnetite)+39
Overview
The Boral Whyalla Quarry is a hard rock quarry owned and operated by Boral Limited, located just outside Whyalla, South Australia. It is an active, operational quarry and a strategic mineral resource area, co-located with a Boral concrete plant. The quarry supplies a range of high-quality construction materials for regional projects and infrastructure development.
Companies & ownership
  • Boral Limited
    ASX:BLD
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Stirling North Quarry

South Australia, Australia · Quarry

Operating
GraphiteSilica SandKaolinHalloysiteTitaniumIron Ore (Magnetite)+39
Workforce
The operation has a workforce of less than 10 full-time employees.
Overview
The Stirling North Quarry, owned and operated by Boral Limited, is an active open-cut quarry in South Australia. Located approximately 5 km northeast of Stirling North township, it operates under Private Mine tenement 154 with an approved Mine Operation Plan as of December 2023. The quarry has been operational since the mid-1970s.
Processing
The general process involves extraction, crushing, and screening to produce various sizes of quarry products, including thermal sand for the Lincoln Gap Wind Farm.
Equipment
The primary equipment includes a main processing plant and a contractor screen.
Companies & ownership
  • Boral Limited
    ASX:BLD
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Lobethal Quarry

South Australia, Australia · Open Pit

Operating
GraphiteSilica SandKaolinHalloysiteTitaniumIron Ore (Magnetite)+39
Overview
The Lobethal Quarry, operated by Boral Limited, is an active open-cut quarry located in Lobethal, South Australia. It is considered a strategic mineral resource area and supplies construction materials such as aggregates, asphalt, cement, crushed rock, and roadbase to the Adelaide Hills region.
Production
The quarry produces aggregates, rail ballast, pre-mix concrete, and road materials.
Processing
The quarry underwent a $4 million plant upgrade in 2015, transforming it into a more automated and efficient operation for producing construction materials.
Equipment
The quarry underwent a $4 million plant upgrade in 2015, transforming it into a more automated and efficient operation. It is recognised as one of the cleanest and safest fixed plant areas within Boral's South Australian business.
Companies & ownership
  • Boral Limited
    ASX:BLD
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Kapunda Quarry

South Australia, Australia · Quarry

Operating
Silica SandGraphiteKaolinHalloysiteTitaniumIron Ore (Magnetite)+39
Overview
Boral's Kapunda Quarry, an operating site in Kapunda, South Australia, produces aggregates, rail ballast, pre-mix concrete, and road materials, and is a strategic mineral resource area. The broader Kapunda site also includes Australia's first commercially successful metal mine, which produced copper from 1844 to 1879 and is now a State Heritage Place. Environmental Copper Recovery Pty Ltd (ECR) and Terramin Australia Limited are advancing the Kapunda Copper & Gold ISR Project on the historic mine site, with technical collaboration from OZ Minerals.
Expansion
The Kapunda Copper & Gold ISR Project, a joint venture between Environmental Copper Recovery Pty Ltd (ECR) and Terramin Australia Limited, aims to extract an estimated 119,000 tonnes of copper from shallow oxide ores using in-situ recovery methods. In May 2025, the South Australian Department for Energy and Mining approved in-ground test work for the project, which also has potential for gold recovery.
Companies & ownership
  • Boral Limited
    ASX:BLD
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Stonyfell Quarry

South Australia, Australia · Quarry

Operating
Silica SandGraphiteKaolinHalloysiteTitaniumIron Ore (Magnetite)+39
Opened
1837-01-01
Mine life
100 years
Workforce
The quarry's management team includes a Quarry Manager, a Quarry Support Manager, and an Operations Manager Quarries.
Overview
Stonyfell Quarry, located in the foothills of the Mount Lofty Ranges east of Adelaide, South Australia, is one of Adelaide's oldest quarries, operating since 1837. Boral Limited acquired the site in the 1980s. The quarry extracts sandstone and quartzite to produce road base, aggregates, crushed rock, washed sands for concrete manufacturing, fill materials, and specialty rocks. It also recycles concrete and is considered a significant state resource with at least 100 years of available materials.
Production
Produces road base, aggregates, crushed rock, washed sands for concrete manufacturing, fill materials, specialty rocks, and recycled concrete. Primary materials extracted are sandstone and quartzite.
Processing
The processing infrastructure at Stonyfell Quarry includes a primary crusher and a sprinkler system within the crushing plant to manage dust. The facility produces road base, aggregates, crushed rock, washed sands for concrete manufacturing, fill materials, and specialty rocks from extracted sandstone and quartzite.
Equipment
The processing infrastructure at the site includes a primary crusher and a sprinkler system within the crushing plant to manage dust. Other equipment includes a water cart for spraying roads and stockpiles, and a truck wash.
Expansion
Major capital improvement works were undertaken to upgrade the primary crusher, which involved installing a new steel structure and a heavy-duty concrete slab.
Companies & ownership
  • Boral Limited
    ASX:BLD
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Boral Concrete Rockhampton

Queensland, Australia · Processing Facility

Operating
GraphiteSilica SandKaolinHalloysiteTitaniumIron Ore (Magnetite)+39
Overview
The Boral Concrete Rockhampton facility is an operational concrete batching plant located at 36-40 Johnson Street in Parkhurst, Rockhampton, Queensland. Operated by Boral Limited, this processing facility produces and supplies ready-mixed concrete for the Central Queensland construction market.
Processing
The facility is a concrete batching plant that produces and supplies ready-mixed concrete.
Companies & ownership
  • Boral Limited
    ASX:BLD
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Tambourah North Project

Western Australia, Australia · Open Pit

Under Development
Iron Ore
Overview
The project is an exploration tenement, E45/5324, located in the Pilbara region, Western Australia, south of Port Hedland. Macarthur Minerals holds the mineral rights for iron ore, with historical drilling intersecting DSO quality goethite and goethitic hematite.
Companies & ownership
  • Macarthur Minerals Limited
    ASX:MIO · TSX:MMS · OTC:MMSDF
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Strelley Gorge Project

Western Australia, Australia · Open Pit

Under Development
Iron Ore
Overview
The Strelley Gorge Project is an exploration stage project located in the Pilbara region of Western Australia, Australia, prospective for Banded Iron Formation (BIF) hosted iron ore. Macarthur Minerals holds the mineral rights for iron ore.
Companies & ownership
  • Macarthur Minerals Limited
    ASX:MIO · TSX:MMS · OTC:MMSDF
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Treppo Grande Project

Western Australia, Australia · Open Pit

Under Development
Iron Ore
Companies & ownership
  • Macarthur Minerals Limited
    ASX:MIO · TSX:MMS · OTC:MMSDF
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Ularring Hematite Project

Western Australia, Australia · Open Pit

Under Development
Iron Ore
Mine life
13 years
Overview
The project is planned as an open-cut iron ore mine. It has received environmental approvals for development and is advancing towards initial production readiness. Macarthur Minerals retains legal and beneficial ownership of all tenements, while Gold Valley Yilgarn Pty Ltd has been granted the right to mine hematite ore for the life of the mine.
Production
Initial mining to produce two million tonnes of iron ore a year, later revised to a planned rate of four million tonnes per year.
Processing
The planned processing method involves a combined crushing, gravity, de-slimming and magnetic beneficiation circuit. Gold Valley plans to upgrade the Ularring ore and blend it with Wiluna fines. The final iron fines product is planned to be transported via a private haulage road for 110 kilometres to a railway siding south of Menzies, then railed to the Port of Esperance for export.
Companies & ownership
  • Macarthur Minerals Limited
    ASX:MIO · TSX:MMS · OTC:MMSDF
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Boral Concrete Caloundra West

Queensland, Australia · Processing Facility

Operating
Silica SandGraphiteKaolinHalloysiteTitaniumIron Ore (Magnetite)+39
Overview
Boral Concrete Caloundra West is an active concrete batching plant and co-located quarry in Caloundra West, Queensland, Australia. Owned by Boral Limited, it produces concrete products for the local construction market, sourcing raw materials like silica sand from its quarry.
Production
The Caloundra West plant produces a range of concrete products for the local construction market.
Processing
The site's primary function is concrete production, with the co-located quarry supplying raw materials such as silica sand and aggregates for the concrete batching process.
Companies & ownership
  • Boral Limited
    ASX:BLD
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Page 4 of 9 (195 total)