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Minesites Directory

Browse minesites. Each card shows company ownership and their most recent associated articles.

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Page 10 of 15 (340 total)
RKEF smelter project (MSP)

North Maluku, Indonesia · Processing Facility

Under Development
Nickel
Companies & ownership
  • PT Trimegah Bangun Persada Tbk
View on map
Loji Mine

North Maluku Province, Indonesia · Open Pit

Operating
Nickel
Opened
2007-01-01
Overview
Loji Mine is an active nickel mine operated by PT Trimegah Bangun Persada Tbk through its 70% owned subsidiary, PT Gane Permai Sentosa. The mine is located on Obi Island in the South Halmahera Regency, North Maluku Province, Indonesia. The total concession area for the Loji Mine is 1,276.99 hectares.
Processing
Saprolite ore is treated in Rotary Kiln Electric Furnace (RKEF) smelters to produce ferronickel, while limonite ore is processed in a High-Pressure Acid Leach (HPAL) refinery to produce Mixed Hydroxide Precipitate (MHP).
Companies & ownership
  • PT Trimegah Bangun Persada Tbk
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Kawasi Mine

North Maluku Province, Indonesia · Open Pit

Operating
NickelCobalt
Opened
2010-01-01
Workforce
Broader Harita Group operations on Obi Island employed over 15,309 workers as of June 2023, including over 4,000 local workers from South Halmahera and over 7,000 from North Maluku. Vocational program trains local youth for heavy equipment operation.
Overview
Active, open-pit nickel laterite mine, part of the Harita Group, with an area of 4,247 hectares. Operations are vertically integrated with mining and processing facilities on Obi Island.
Production
As of 1 June 2022, proven and probable saprolite nickel ore reserves of 37.57 million wmt with 1.76% Ni. As of 30 September 2022, proven and probable limonite nickel ore reserves of 70.82 million wmt with 1.08% Ni. Mining production from Kawasi and Loji mines reached 9.34 million wmt in H1 2023. Nickel ore sales reached 6.49 million wmt in H1 2023.
Processing
Rotary Kiln Electric Furnace (RKEF) for saprolite ore producing ferronickel (FeNi). High-Pressure Acid Leaching (HPAL) for limonite ore producing Mixed Hydroxide Precipitate (MHP), refined into nickel sulfate (NiSO4) and cobalt sulfate (CoSO4).
Equipment
Dedicated power plants (890MW existing, 1.2GW under construction), five special terminals for export/import, concrete roads, heavy equipment including wheel loaders.
Expansion
Additional 1.2GW power plant under construction to support expansion.
Companies & ownership
  • PT Trimegah Bangun Persada Tbk
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The Mokopane Feeder Project

Limpopo, South Africa · Underground

Under Development
PlatinumPalladiumRhodiumGoldNickelCopper
Companies & ownership
  • Ivanhoe Mines Ltd.
    TSX:IVN · OTC:IVPAF
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Platreef PGM-Nickel Mine

Limpopo Province, South Africa · Underground

Operating
PlatinumPalladiumRhodiumNickelCopperGold
Opened
2025-01-01
End year
2060
Mine life
35 years
Workforce
550 permanent and contract workers (2021); 90% of employees covered by collective bargaining agreement (2024).
Overview
Tier-one project operated by Ivanhoe Mines through its South African subsidiary, Ivanplats (64% interest). Located in Limpopo Province, South Africa, near Mokopane, on the Northern Limb of the Bushveld Igneous Complex.
Production
Phase 1: 113,000 oz 3PE+Au, 5M lbs nickel, 3M lbs copper. Phase 2: 450,000 oz 3PE+Au, >30M lbs nickel and copper. Phase 3: >1M oz 3PE+Au.
Processing
Concentrator plant. Phase 1: 770 ktpa milling capacity. Phase 2: adds 3.3 Mtpa concentrator module (total 4.1 Mtpa). Potential Phase 3: increases capacity to 10.7 Mtpa. Produces concentrate of platinum, palladium, nickel, rhodium, gold, and copper.
Equipment
Shaft 1 (7.25m diameter, 2.5 Mtpa hoisting); Shaft 2 (10m diameter, 6 Mtpa hoisting); Shaft 3 (operational by April 2026, increasing hoisting to 5 Mtpa). Large, mechanised operation.
Expansion
Project developed in three phases. Phase 2 expansion targeted for completion in Q4 2027. Potential Phase 3 expansion to increase processing capacity to 10.7 Mtpa.
Companies & ownership
  • Ivanhoe Mines Ltd.
    TSX:IVN · OTC:IVPAF
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Jump Up Dam

Western Australia, Australia · Open Pit

Feasibility
NickelCobaltCopper
Overview
Part of Ardea Resources' Kalgoorlie Nickel Project (KNP), associated with an Archaean ultramafic complex. Drilling identified a nickel laterite resource and a 400-metre long copper-nickel enrichment zone.
Production
Nickel laterite resource of 64Mt at 0.75% nickel and 0.04% cobalt, containing 479kt of nickel and 26.1kt of cobalt.
Companies & ownership
  • Ardea Resources Limited
    ASX:ARL
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Bulong Nickel Project

Western Australia, Australia · Open Pit

Under Development
NickelCobaltPlatinumCopperLeadZinc
Overview
The project is part of Ardea Resources' Kalpini Hub, which is a component of the broader Kalgoorlie Nickel Project (KNP). Ardea Resources holds 100% of the non-gold mineral rights for the Bulong tenements. The project is at an exploration and resource definition stage and is not currently an active mining operation.
Production
As of February 2021, the Bulong nickel laterite resource contained 54 million tonnes at 0.88% nickel and 0.053% cobalt, including an inferred resource at Bulong Taurus of 14 million tonnes at 0.84% nickel and 0.051% cobalt.
Processing
historical processing plant used a pressure acid leach process
Equipment
non-operating Bulong nickel laterite plant located on the site from previous, historical operations
Companies & ownership
  • Ardea Resources Limited
    ASX:ARL
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Kalpini

Western Australia, Australia · Open Pit

Under Development
NickelCobaltScandiumRare Earth Elements
Overview
The Kalpini project, part of Ardea's Kalgoorlie Nickel Project (KNP) and also known as the Kalpini Hub, is a 100% owned nickel laterite project in Western Australia, 70km north-east of Kalgoorlie-Boulder. It is currently in exploration and project development.
Processing
Studies have considered High Pressure Acid Leach (HPAL) or Atmospheric Leach (AL) methods for a standalone processing facility, or transport to the Goongarrie Hub.
Companies & ownership
  • Ardea Resources Limited
    ASX:ARL
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Kalgoorlie Nickel Project (KNP)

Western Australia, Australia · Open Pit

Under Development
NickelCobaltScandium
Overview
The Kalgoorlie Nickel Project (KNP), operated by Ardea Resources, is a significant nickel-cobalt project in Western Australia. Its main component, the Goongarrie Hub, is located approximately 70 kilometres northwest of Kalgoorlie-Boulder. The project has been awarded Major Project Status by the Australian Federal Government.
Production
Projected production from the Pre-Feasibility Study (PFS) estimates an output of approximately 30,000 tonnes of nickel and 2,000 tonnes of cobalt per year for more than 40 years.
Processing
Proposed processing for the Goongarrie Hub is based on a High Pressure Acid Leach (HPAL) flowsheet. A DFS update in December 2025 indicated a simplified, higher-throughput 3.5Mtpa HPAL-only flowsheet, including autoclave optimisation, designed to produce Mixed Sulphide Precipitate (MSP).
Companies & ownership
  • Ardea Resources Limited
    ASX:ARL
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Mount Zephyr Gold Project

Western Australia, Australia · Open Pit

Under Development
GoldNickelCopperPlatinumPalladium
Overview
Active exploration project located in the Northern Goldfields of Western Australia, approximately 60 kilometres north-northeast of Leonora, within the Mount Zephyr greenstone belt.
Equipment
aircore and reverse circulation (RC) drill rigs; high-resolution aeromagnetic and ground gravity survey data
Companies & ownership
  • Ardea Resources Limited
    ASX:ARL
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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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Yerilla Hub

Western Australia, Australia · Open Pit

Under Development
NickelCobaltScandium
Companies & ownership
  • Ardea Resources Limited
    ASX:ARL
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Kalpini Hub

Western Australia, Australia · Open Pit

Under Development
NickelCobaltScandiumRare Earth Elements
Overview
The Kalpini Hub is a collective name for a series of projects including the Kalpini and Bulong Nickel Projects, the Emu Lake nickel sulphide project, and the Yerilla Hub (Jump Up Dam, Boyce Creek and Aubils projects). It is focused on nickel and cobalt, with identified occurrences of scandium and Rare Earth Elements (REE). The resources are found in shallow, flat-lying nickel laterite deposits on ultramafic komatiite rocks.
Processing
Two potential processing methods considered: a standalone facility at Kalpini using High Pressure Acid Leach (HPAL) and Atmospheric Leach (AL), or hauling high-grade satellite feed to the proposed processing facility at the Goongarrie Hub.
Companies & ownership
  • Ardea Resources Limited
    ASX:ARL
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Scotia Dam

Western Australia, Australia · Open Pit

Feasibility
NickelCobalt
Mine life
40 years
Workforce
estimated workforce of 300 is anticipated for the operational phase
Overview
The Scotia Dam is a nickel-cobalt deposit, part of Ardea Resources' Kalgoorlie Nickel Project (KNP) Goongarrie Hub. It is in pre-development, with a Definitive Feasibility Study (DFS) underway, scheduled for completion in H1 2026.
Production
annual production of approximately 30,000 tonnes of nickel and 2,000 tonnes of cobalt
Processing
The planned processing method for the Goongarrie Hub is a High Pressure Acid Leach (HPAL) circuit. The DFS confirmed a simplified, higher-throughput 3.5Mtpa HPAL-only flowsheet.
Companies & ownership
  • Ardea Resources Limited
    ASX:ARL
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Big Four

Western Australia, Australia · Open Pit

Under Development
GoldNickelCobalt
Overview
The Big Four project is located in Western Australia, Australia, approximately 70 kilometres north-northwest of the City of Kalgoorlie-Boulder. It is situated on the Mt Vetters Pastoral Lease and is accessible via the Goldfields Highway. It is at an advanced exploration and feasibility study stage and is not operational.
Processing
Metallurgical test work on the Big Four gold mineralisation indicated very high recoveries of nearly 98% are achievable using standard gravity-leach processing methods. The nickel-cobalt ore from the broader Goongarrie Hub, including Big Four, is planned to be processed at a proposed central facility using High-Pressure Acid Leach (HPAL) technology.
Equipment
Exploration and resource definition work has utilised RC and diamond drill rigs.
Expansion
The nickel-cobalt resources form part of the Kalgoorlie Nickel Project (KNP) – Goongarrie Hub, which is subject to a joint venture.
Companies & ownership
  • Ardea Resources Limited
    ASX:ARL
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Goongarrie South

Western Australia, Australia · Open Pit

Feasibility
NickelCobaltScandium
Overview
Goongarrie South is a nickel-cobalt-scandium deposit located in Western Australia, Australia. It is situated approximately 70 kilometres northwest of the city of Kalgoorlie-Boulder and is adjacent to the Goldfields Highway. The project is part of the broader Goongarrie Hub within Ardea Resources' Kalgoorlie Nickel Project (KNP).
Production
3.5 million tonnes per annum
Processing
A proposed processing plant is planned to be located at Goongarrie South. The DFS has confirmed the design will be based on a simplified, High Pressure Acid Leach (HPAL) only flowsheet. This process will produce a Mixed Sulphide Precipitate (MSP) as the final sale product.
Expansion
The Goongarrie Hub is being developed through an incorporated joint venture, Kalgoorlie Nickel Pty Ltd (KNPL). Ardea Resources holds an 82.5% interest in the joint venture. A Japanese consortium, comprising Sumitomo Metal Mining and Mitsubishi Corporation, has the right to earn up to a 50% interest and had earned a 17.5% stake as of July 2025. The first decade of the mine plan will focus on the higher-grade goethite deposits at Goongarrie South, Big Four, and Scotia Dam.
Companies & ownership
  • Ardea Resources Limited
    ASX:ARL
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Highway deposit

Western Australia, Australia · Open Pit

Feasibility
NickelCobaltScandium
Mine life
40 years
Overview
The Highway deposit is part of the Kalgoorlie Nickel Project (KNP) and is operated by Ardea Resources. It is envisioned that the Highway deposit will be a satellite open-pit mining operation. Ore is planned to be trucked 30 kilometres south along the Goldfields Highway to a central processing plant to be constructed at the Goongarrie Hub.
Processing
Proposed processing method involves a High-Pressure Acid Leach (HPAL) circuit, supported by an Atmospheric Leach (AL) circuit. Material from the Highway deposit is considered a key satellite plant feed source and is particularly noted for its suitability as an AL feed.
Companies & ownership
  • Ardea Resources Limited
    ASX:ARL
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Goongarrie Hub

Western Australia, Australia · Open Pit

Feasibility
NickelCobaltScandium
Mine life
40 years
Overview
Goongarrie Hub, part of the broader Kalgoorlie Nickel Project (KNP), is a significant nickel-cobalt project located in the Eastern Goldfields region of Western Australia, approximately 70 kilometres northwest of the City of Kalgoorlie-Boulder. The project is currently in the Definitive Feasibility Study (DFS) stage, which is scheduled for completion in the first half of 2026. The initial mine plan for the first decade will focus on the Goongarrie South, Big Four, and Scotia Dam deposits.
Production
Projected annual production is approximately 30,000 tonnes of nickel and 2,000 tonnes of cobalt.
Processing
The processing method will involve a 3.5 million tonnes per annum (Mtpa) High Pressure Acid Leach (HPAL) plant. The processing plant will produce a Mixed Sulphide Precipitate (MSP) as the final saleable product. The necessary infrastructure for the processing plant will include hydrogen, hydrogen sulphide, and nitrogen generation plants.
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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Nueltin Lake Project

Nunavut, Canada · Underground

Under Development
UraniumGoldMolybdenumCopperTungstenCobalt+1
Workforce
anticipated to be between two and nine people, including a two-person drill crew, a drill foreman, geologists, and two two-person mapping crews.
Overview
The Nueltin Lake project is an exploration-stage undertaking located in the Kivalliq Region of southern Nunavut, Canada, just north of the Manitoba border. It is a joint venture between URU Metals Limited and Cameco Corporation. The project is focused on exploring for polymetallic deposits, with target commodities including uranium, gold, molybdenum, copper, tungsten, cobalt, and nickel.
Equipment
helicopter-mobilised drill (heli-drill)
Expansion
joint venture between URU Metals Limited and Cameco Corporation; option agreement was entered into where URU Metals could earn into the project by funding exploration activities.
Companies & ownership
  • Cameco Corporation
    TSX:CCO · NYSE:CCJ
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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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Page 10 of 15 (340 total)