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| Greenbushes mine | |
|---|---|
| Name | Greenbushes mine |
| Place | Greenbushes |
| State/province | Western Australia |
| Country | Australia |
| Products | Lithium, tantalum, tin |
| Owner | Tianqi Lithium, Albemarle, IGO Limited (historic) |
| Type | Open pit and underground |
Greenbushes mine is a major hard-rock lithium and tantalum operation located near Greenbushes, Western Australia in the South West (Western Australia). The mine lies within the Shire of Bridgetown–Greenbushes region and forms part of the mineral province that includes the Tweedale Range and the Donnybrook–Balingup area. Greenbushes is noted for hosting one of the world’s highest-grade lithium deposits and has been integral to supply chains for companies in China, South Korea, Japan, and United States battery industries.
Greenbushes is situated on the Leeuwin-Naturaliste Ridge corridor near the town of Greenbushes, Western Australia and adjacent to the Blackwood River. The deposit is hosted in hard-rock pegmatites within the Albany-Fraser Orogen and sits within the jurisdiction of the Western Australian Department of Mines, Industry Regulation and Safety and under environmental approvals influenced by the Environment Protection and Biodiversity Conservation Act 1999. Major stakeholders include multinational corporations such as Tianqi Lithium Corporation, Albemarle Corporation, and historical participants like IGO Limited.
The Greenbushes deposit is a zoned pegmatite system within the Yilgarn Craton and proximal to structural features associated with the Narryer Gneiss Complex. Mineralization is primarily lithium-bearing spodumene enriched alongside accessory tantalum in minerals such as columbite-tantalite and cassiterite, reflecting geochemical affinities noted in studies by the Geological Survey of Western Australia and researchers from institutions like the Curtin University and the University of Western Australia. The pegmatites exhibit complex zoning comparable to other global producers in the Canadian Shield and the Amoeba pegmatites of Brazil, with textures that have attracted investigation from geoscientists affiliated with the Australian Institute of Geoscientists and the Society of Economic Geologists.
Greenbushes’ recorded mineral history began with 19th-century tin and tantalite discoveries linked to prospectors operating contemporaneously with discoveries at Halls Creek and Coolgardie. The site’s transition to major lithium production accelerated in the late 20th and early 21st centuries as demand from firms in Tesla, Inc., Panasonic Corporation, and LG Chem increased. Corporate milestones involved transactions and joint ventures among entities like Wesfarmers, Tianqi Lithium, Albemarle, and IGO Limited, drawing attention from regulators such as the Australian Securities and Investments Commission and market analysts at the ASX.
Mining at Greenbushes combines open-pit and underground methods developed to access high-grade pegmatite lenses, with operational planning influenced by engineering firms and contractors such as Sandvik AB and Caterpillar Inc. Ore handling and haulage integrate logistics networks serving ports like Port of Bunbury and Port Hedland for exports to end-users including Ganfeng Lithium and battery manufacturers in South Korea and China. Production volumes and reserve estimates are periodically reported to exchanges including the Shanghai Stock Exchange and the New York Stock Exchange by owning companies.
On-site processing at Greenbushes involves crushing, dense media separation, and flotation circuits designed to concentrate spodumene, yielding concentrates shipped to downstream processors such as Tianqi Lithium Energy and chemical plants producing lithium hydroxide and lithium carbonate for automotive customers like BYD Auto and Volkswagen Group. Byproducts include tantalum concentrates sold to electronics suppliers such as NEC Corporation and specialty metals firms in the United States and Europe. Metallurgical research collaborations have involved laboratories at CSIRO and universities including Monash University.
Ownership structures have featured joint ventures among major listed companies including Tianqi Lithium Corporation and Albemarle Corporation, with historical stakes held by IGO Limited and trading implications for indices like the S&P/ASX 200. The mine contributes to regional employment in the Shire of Bridgetown–Greenbushes and to Australian exports recorded by the Australian Bureau of Statistics, influencing supply chains for multinational automakers such as Toyota Motor Corporation and technology firms like Apple Inc..
Environmental management at Greenbushes is governed by permits under the Environment Protection and Biodiversity Conservation Act 1999 and reporting obligations to the Western Australian Environmental Protection Authority. Rehabilitation programs coordinate with local authorities including the Shire of Bridgetown–Greenbushes and community groups, and draw on expertise from institutions such as the University of Western Australia and environmental consultancies. Biodiversity offsetting and progressive rehabilitation practices reference standards from organizations like the International Council on Mining and Metals.
Workplace safety protocols at Greenbushes align with codes administered by the Western Australian Department of Mines, Industry Regulation and Safety and national regulators such as Safe Work Australia, with emergency response arrangements involving local services including the Greenbushes Volunteer Bush Fire Brigade and regional health providers. The workforce includes technical staff trained via partnerships with institutions such as TAFE Western Australia, Curtin University, and industry training providers, while labor relations have engaged unions such as the Construction, Forestry, Maritime, Mining and Energy Union.
Category:Lithium mines in Australia Category:Tantalum mines Category:Mines in Western Australia