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Learn about Alcoa's leadership in bauxite mining and ability to meet customer-specific needs for high-quality, sustainably produced products. AA $28.17 (-0. ... hydraulic fluid and other hydrocarbons by almost half at its …
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Bauxite is mined from reserves mainly within State forest on the eastern edge of the Darling Range, near Boddington. The bauxite is crushed and carried 51km by a two-flight cable belt conveyor system to …
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DOI: 10.1016/j.ecoleng.2020.105907 Corpus ID: 219768969; The where, when and what of phosphorus fertilisation for seedling establishment in a biodiverse jarrah forest restoration after bauxite mining in Western Australia
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An operational scale assessment of the effects of a reduction in fertiliser application rates on plant species responses in jarrah forest restored after bauxite mining Alcoa of Australia Ltd; M.I. Daws et al. Nitrogen and phosphorus fertiliser regime affect jarrah forest restoration after bauxite mining in Western Australia
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Establishment of Jarrah from seed in restored sites is variable, and once established, survival is high over two summer droughts and still high after about a decade regardless of the presence of the Jarrah dieback disease Phytophthora cinnamomi. The overstory of the jarrah forest is dominated by Jarrah (Eucalyptus marginata) with a …
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The Southwest of Western Australia is one of the world's biodiversity hotspots. In the jarrah forest there are at least 300–400 plant species in vegetation that is typically mined and as many as 163 species per 0.1 ha. Hence, restoring the plant species to post‐mining areas is seen as a priority. Approximately 70% of understorey richness is …
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Alcoa World Alumina Australia operates two bauxite mines at Willowdale and Huntly in the Darling Range of southwestern Australia. Alcoa's aim after bauxite mining is to re-establish all the pre-existing land uses of the forest …
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Alcoa Corporation (NYSE: AA) today welcomed decisions from the Western Australian (WA) Government that will allow the Company to continue bauxite mining and …
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A lcoa World Alumina Australia currently operates two bauxite mines in the Darling Range of south-western Western Australia, 80–140 km south of Perth (1, 2). Huntly is the largest bauxite mine in the …
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The plant was the first of Alcoa's three Western Australia alumina refineries that's been in operation for about 60 years, with the capacity to produce about 2.2 million tonnes of the raw ...
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A cancer incidence and mortality study has been undertaken for a cohort of employees working in three bauxite mines and three alumina refineries in Western Australia.23 This is the only cancer incidence and mortality study to date in bauxite mining and alumina refining. The most recent analysis of this ongoing study was …
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Worsley Alumina is an integrated bauxite mining and alumina refining operation in the South West of Western Australia. Beginning operations in 1984, it is today recognised as one of the largest alumina refineries in …
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Alcoa World Alumina Australia (Alcoa) has mined bauxite in the jarrah forest since 1963. Their restoration practice is based on a state-of-the-art adaptive management program that is recognized ...
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The where, when and what of phosphorus fertilisation for seedling establishment in a biodiverse jarrah forest restoration after bauxite mining in Western Australia June 2020 Ecological Engineering ...
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Australia is one of the very few countries globally which has bauxite mining, alumina refining, aluminium smelting and aluminium extrusion industries. Australian Aluminium Industry; Australian Bauxite ... Australia is one of the world's largest producers of bauxite, with five large mines supplying around 30 per cent of global production.
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Alcoa World Alumina Australia mines bauxite under lease agreements with the Government of Western Australia. The leases lie in the Darling Range to the east of Perth, the capital and major ...
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Bauxite is mined in the jarrah (Eucalyptus marginata Sm.) forest of south-western Australia and 700 – 800 ha each year are rehabilitated by mining companies. As well as broadcasting seeds and ...
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Alcoa World Alumina Australia mines bauxite under lease agreements with the Government of Western Australia. The leases lie in the Darling Range to the east of Perth, the capital and major population center.
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Alcoa Corporation (NYSE: AA) today announced it plans to fully curtail production in 2024 at its Kwinana Alumina Refinery in Western Australia, with the process beginning in the second quarter. The Kwinana refinery has an annual nameplate production capacity of 2.2 million metric tons. The refinery has been operating at approximately 80 …
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These alumina refineries, in turn, supply alumina to the four Australian aluminium smelters. Australia is one of the world's largest producers of bauxite. In 2022, Australian bauxite production was 100 million tonnes …
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The jarrah (Eucalyptus marginata) forests in Western Australia, for example, are being cleared, at the rate of 1000 ha yr −1, for bauxite, gold and coal mining.
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Western Australia. South32 owns 86 per cent of Worsley Alumina, with 10 per cent held by Japan Alumina Associates (Australia) Pty Ltd and the remaining 4 per cent held by Sojitz Alumina Pty Ltd. Operations began in 1984 and today, it is recognised as one of the largest alumina refineries in the world. ... For more than 40 years bauxite mining ...
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Mining companies Alcoa and South32 have applied for approval to clear a further 11,109 hectares and fragment another 70,211 hectares. It is estimated that bauxite mining in WA will ultimately be …
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Synthesis: Is Alcoa Successfully Restoring a Jarrah Forest Ecosystem after Bauxite Mining in Western Australia? John M. Koch1,3 and Richard J. Hobbs2 Abstract A range of reviews and technical reports have been …
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Bauxite is an aluminium ore found in deposits around the world - with Australia the largest producer. Prior to processing, Bauxite ore is red sedimentary rock. We mine bauxite at …
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Introduction Alcoa World Alumina Australia (Alcoa) has carried out bauxite mining in Western Australia's Jarrah (Eucalyptus marginata) forest since 1963. The current objective of the rehabilitation is to establish a self-sustaining jarrah forest ecosystem, planned to enhance or maintain water, timber, recreation, and conservation values.
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Alcoa World Alumina Australia mines bauxite under lease agreements with the Government of Western Australia. The leases lie in the Darling Range to the east of Perth, the capital and major population center. In addition to bauxite and other mineral ores, the Darling Range is a major potable water source and harbors a species‐rich …
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The plant was the first of Alcoa's three Western Australia alumina refineries and it had the capacity to produce about 2.2 million tonnes of the raw material used to make aluminum.
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in restored forest following bauxite mining in southern Western Australia Received: 8 November 2015/ Accepted: 20 May 2016 The Ecological Society of Japan 2016 Abstract Persoonia longifolia is a common mid-storey species that is difficult to return to post-mining envi-ronments. This study aimed to quantify in situ emer-
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Ants have been widely used as indicators of restoration processes in post-mining coal sites [53] and bauxite mining sites [96, 97]. There have been few extensive studies of the role of ants in ...
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Removal of vegetation and disturbance of the soil profile during mining reduce nutrient pools available for plants during mine site restoration. ... when and what of phosphorus fertilisation for seedling establishment in a biodiverse jarrah forest restoration after bauxite mining in Western Australia, Ecological Engineering, 10.1016/j.ecoleng ...
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We radio-tracked western bearded dragons (Pogona minor) in a mix of unmined forest sites and sites restored after bauxite mining, in the jarrah forest of south-west Western Australia, to determine ...
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Rehabilitating mines to meet land use objectives: bauxite mining in the jarrah forest of Western Australia. Unasylva 207:3–8. Grant, C. D. 1997. Fire ecology in rehabilitated bauxite mines in the jarrah (Eucalyptus marginata) forest of south-western Australia. Ph.D. thesis. Botany Department, University of Western Australia, Perth, Australia.
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alumina refineries. It was established in 1976 and is located east of North Dandalup in Western Australia (WA). • Huntly mines bauxite from within a defined Mineral Lease, known as ML1SA. To date, we have cleared less than 4 per cent of our mineral lease. • As bauxite forms in shallow pods, a constantly moving mining footprint occurs ...
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A range of reviews and technical reports have been presented in this volume that cover many components of the jarrah forest ecosystem and its restoration after bauxite mining in Western Australia. This synthesis reviews these papers and attempts to decide if the jarrah forest ecosystem has been restored.
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The MRN Mine is a surface mine situated in Para, Brazil. Owned by Vale, the greenfield mine produced an estimated 11.629 mtpa of bauxite in 2020. The mine will operate until 2026. 7. Willowdale Mine. Located in Western Australia, Australia, the Willowdale Mine is owned by Alcoa. The surface mine produced an estimated 9.667 …
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The plant was the first of Alcoa's three Western Australia alumina refineries that's been in operation for about 60 years with the capacity to produce about 2.2 million metric tons of the raw ...
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The jarrah forest of southern Western Australia is part of a biodiversity hotspot of international significance (Myers et al. 2000) and is subjected to localised mining for the production of bauxite. Many species found within this area are difficult to germinate, propagate and return to restored areas of these mines and considerable effort is ...
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Bauxite Mining Reclamation . ... inviability of seeds produced by plants. In a review of Western Australia species, seed population viability ranged from 0- and the mean viability was only 32% overall (Bell et al. 1993) (Table . 1). Table 1. Viability of Western Australia seeds. The number of species included in the
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