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Minesites Directory

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

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Page 59 of 61 (1443 total)
Ernest Henry

Queensland, Australia · Sublevel Caving

Operating
CopperGold
Overview
Large-scale copper-gold mine 38 km NE of Cloncurry; acquired 100% by Evolution in Jan 2022.
Processing
Sub-level caving; flotation producing copper-gold concentrate

Companies & Ownership (1)

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Finniss (BP33 / Grants)

Northern Territory, Australia · Open Pit

Operating
Gold
Overview
Near Darwin; mining suspended in Jan 2024 with restart strategy considering UG expansion.
Processing
DMS plant producing spodumene concentrate; potential upgrades incl. gravity circuit

Companies & Ownership (1)

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Forrestania (Flying Fox + Spotted Quoll)

Western Australia, Australia · Underground

Operating
NickelGold
Commodities, grades and output
YearCommodityAv. GradeOutput
2024Nickel-2089 t
2023Nickel2.53 %22915 t
2022Nickel-14028 t
2021Nickel-14028 t
2016Nickel4.7 %3922 t
1997Gold4.54 g/t244602 t
Opened
1992-01-01
End year
2024
Mine life
5.5 years
Capex (est.)
USD 73.00M
Workforce
The workforce size fluctuated, employing almost 300 people by 2010 and rising to over 500 by 2013.
Overview
The Forrestania Gold Project, historically known as the Forrestania Nickel Operation, is located approximately 400 kilometres east of Perth, Western Australia. It comprises the Flying Fox and Spotted Quoll underground mines and the Cosmic Boy processing facility. The operation is currently on care and maintenance, with nickel production ceasing in September 2024 due to reserve exhaustion and a seismic event. Medallion Metals Limited acquired the assets from IGO Limited in March 2026 and plans to repurpose the site for gold and copper processing, while IGO retains nickel and lithium exploration rights and a royalty on future gold production.
Production
The Forrestania Operation produced 14,028 tonnes of nickel in the 2022 financial year, followed by 22,915 tonnes of nickel in the 2022-23 financial year. For the 2025 fiscal year, which included the final period of operation, 2,089 tonnes of payable nickel metal were produced.
Processing
Ore was historically processed at the Cosmic Boy Concentrator, a conventional sulphide flotation facility with a processing capacity of 550,000 tonnes per annum. Medallion Metals is now assessing the refurbishment and repurposing of the concentrator for gold and copper ore from its nearby Ravensthorpe Gold Project.
Equipment
The underground mining method employed at Forrestania was longhole open stoping. At the Spotted Quoll mine, specialised small-scale mechanised development and production were carried out using a fleet that included Atlas Copco T1D & H104 drills and four Caterpillar R1300G tele-remote loaders.
Expansion
Medallion Metals is advancing its Sulphide Development Strategy, with the Forrestania Gold Project and the Cosmic Boy plant at its core. The company is progressing technical work to support the development of the site as a central processing hub for its regional gold and copper assets, including those from its Ravensthorpe Gold Project. The company is also exploring the potential for processing third-party ore.

Companies & Ownership (2)

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Golden Grove (Scuddles & Gossan Hill)

Western Australia, Australia · Processing Facility

Operating
CopperGoldLeadSilverZinc
Overview
Golden Grove mine is a world class VHMS geological system. High-grade copper, zinc and precious metals mining operation
Processing
Crush–grind–flotation producing Zn, Cu concentrates with precious metal credits

Companies & Ownership (1)

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Gruyere

Western Australia, Australia · Open Pit

Operating
Gold
Commodities, grades and output
YearCommodityAv. GradeOutput
2024Gold-287270 oz
2023Gold1.15 g/t321984 oz
Opened
2019-12-03
End year
2032
Mine life
13 years
Workforce
894 (202 employees and 692 contractors)
Overview
The Gruyere mine is a 50:50 joint venture between Gold Fields Ltd and Gold Road Resources Ltd. Gold Fields is the manager and operator of the mine. In March 2025, Gold Fields made a proposal to acquire Gold Road Resources' 50% share, which was rejected by the Gold Road board.
Production
Production overview - 2024: gold 287270 oz; 2023: gold 321984 oz.
Processing
The processing facility is a conventional carbon-in-leach (CIL) plant with a capacity of approximately 9.6 million tonnes per annum. The circuit includes single-stage primary crushing, semi-autogenous grinding and ball milling with a pebble crushing (SABC) circuit, and gravity recovery. A third pebble crushing circuit was installed in late 2023 to support improved plant throughput.
Equipment
The mining contractor, MACA, is utilising its existing fleet for load and haul operations, which includes excavators and 225-tonne haul trucks. In 2023, MACA began replacing its surface drill rig fleet with new Sandvik equipment, including six Sandvik DR410i rotary blasthole drills, two Leopard DI650i down-the-hole drill rigs, and a Pantera DP1500i top hammer drill rig, with deliveries completed by April 2024.
Expansion
A third pebble crusher was installed in late 2023. Upgrades to conveyors in the pebble crushing circuit and other grinding circuit improvements were planned for 2025. The Gruyere JV is assessing the potential for a significant underground operation beneath the current open pit. A preliminary review was completed in late 2024, and a 60,000-metre deep drilling program began in early 2025 to support further studies. The Golden Highway satellite deposits are also being assessed, with a feasibility study expected to be completed in the first half of 2025 and the project anticipated to be ready to mine from 2027.

Companies & Ownership (3)

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Gwalia (Leonora)

Western Australia, Australia · Underground

Operating
Gold
Overview
Long-life, high-grade underground mine at Leonora with onsite processing; acquired by Genesis Minerals (2023).
Processing
Crush–grind–CIP/CIL; paste fill UG stoping

Companies & Ownership (1)

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Recent Articles (1)

Hemi (Mallina Gold Project)

Western Australia, Australia · Open Pit

Operating
Gold
Overview
Tier-1 gold discovery in Pilbara; multiple large OP deposits, DFS underway 2025.
Processing
Conventional crush–grind–CIL (DFS design)

Companies & Ownership (1)

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Hera (closed 2023)

New South Wales, Australia · Underground

Operating
CopperGoldLeadSilverZinc
Overview
Since commissioning in 2014, Hera has produced 3.2 million tonnes of ore, supported 180 full time jobs, and contributed A$216 million to the local economy.
Processing
UG stoping; crush–grind–flotation producing Pb/Zn concentrates

Companies & Ownership (1)

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Hillgrove (Antimony-Gold)

New South Wales, Australia · Underground

Operating
AntimonyGold
Overview
Historic Sb-Au mine near Armidale; RVR acquired 2021; restart studies advanced.
Processing
UG mining; crush–grind–flotation; Sb concentrate + Au dore

Companies & Ownership (1)

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Idaho Cobalt Operations (ICO)

Idaho, USA · Underground

Operating
CobaltCopperGold
Overview
Only advanced cobalt mine in USA; Jervois is ASX-listed.
Processing
UG stoping; flotation producing cobalt concentrate

Companies & Ownership (1)

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Jaguar (incl. Bentley)

Western Australia, Australia · Underground

Operating
CopperGoldSilverZinc
Overview
UG VHMS operation ~65 km north of Leonora; focus on Bentley deposit.
Processing
UG stoping; crush–grind–flotation to Zn and Cu concentrates

Companies & Ownership (1)

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Kal East (Majestic/Myhree/Queen Margaret etc.)

Western Australia, Australia · Open Pit

Operating
Gold
Overview
Kalgoorlie East district project incl. multiple deposits; aiming for toll treatment or new plant.
Processing
Future crush–grind–CIL or toll treatment

Companies & Ownership (1)

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Kanmantoo

South Australia, Australia · Open Pit

Operating
CopperGold
Overview
The successful mining ramp up and plant commissioning at the Kanmantoo Copper Mine has established a solid platform for delivery with Group copper production increasing to 12,000 to 14,000 tonnes. Underground mining rates are targeting 1.7 – 1.8Mt per annum in 2026.
Processing
Crush–grind–flotation producing Cu concentrate; Au credits

Companies & Ownership (1)

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Karlawinda (Bibra)

Western Australia, Australia · Open Pit

Operating
Gold
Overview
Pilbara region gold operation ~70 km SE of Newman; commercial production since 2021.
Processing
Three-stage crush, ball mill, gravity + CIL (expansion to ~6.5 Mtpa announced)

Companies & Ownership (1)

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Kiaka Gold Project

Centre-Sud, Burkina Faso · Open Pit

Operating
Gold
Overview
One of West Africa’s largest undeveloped gold projects; construction underway.
Processing
Proposed OP mining; large CIL processing plant

Companies & Ownership (2)

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King of the Hills (KoTH)

Western Australia, Australia · Open Pit

Operating
Gold

Companies & Ownership (2)

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Recent Articles (1)

Lake Roe / Bombora

Western Australia, Australia · Open Pit

Operating
Gold
Overview
Large-scale gold discovery 100 km E of Kalgoorlie; Bombora main deposit.
Processing
Planned crush–grind–CIL (study)

Companies & Ownership (1)

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Lihir Gold Mine

New Ireland, Papua New Guinea · Open Pit

Operating
Gold
Overview
Giant open pit gold mine on Lihir Island, PNG.
Processing
OP mining; autoclave oxidation + CIL

Companies & Ownership (1)

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Mallee Bull

New South Wales, Australia · Underground

Operating
CopperGoldLeadSilverZinc
Overview
High-grade Cu-Ag-Au-Zn-Pb deposit near Cobar; part of Peel’s South Cobar Project.
Processing
Planned UG stoping; flotation + gravity; Cu and Zn concentrates

Companies & Ownership (1)

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Manna

Western Australia, Australia · Open Pit

Operating
Gold
Overview
Outcropping spodumene deposit ~100 km east of Kalgoorlie; DFS in progress.
Processing
Crushing and DMS/flotation to spodumene concentrate (planned)

Companies & Ownership (1)

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Marda Operations

Western Australia, Australia · Open Pit

Operating
Gold
Overview
Gold fields NE of Merredin; ore treated at Edna May following acquisition of Explaurum/Tampia & Marda assets.
Processing
Conventional crush–grind–CIL at Edna May

Companies & Ownership (1)

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McPhillamys Gold Project

New South Wales, Australia · Open Pit

Operating
Gold
Overview
Large-scale gold development project in central NSW.
Processing
Proposed OP mining; CIL plant

Companies & Ownership (1)

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Meekatharra Operations (Bluebird hub)

Western Australia, Australia · Open Pit

Operating
Gold
Overview
Westgold’s central group of assets around Meekatharra incl. Paddy’s Flat, Yaloginda, Reedy’s, Nannine.
Processing
Crush–grind–CIP/CIL at Bluebird processing hub

Companies & Ownership (1)

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Menzies Gold Project

Western Australia, Australia · Open Pit

Operating
Gold
Overview
Historic goldfield at Menzies with multiple deposits; exploration + development studies.
Processing
Future toll treatment or new CIL plant

Companies & Ownership (1)

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Page 59 of 61 (1443 total)