Aluminium giant Alcoa will reactivate a mine site unused since 2014 in a last-ditch bid to replace ore from a stalled transition project and keep the Pinjarra refinery filled.
Alcoa Corporation (NYSE: AA) today welcomed decisions from the Western Australian (WA) Government that will allow the Company to continue bauxite mining and downstream alumina refining in the State, while also pledging to enhance the way it operates to meet evolving requirements and expectations. The government has announced that it will …
bauxite mining and alumina refining operation in the South West of Western Australia. Bauxite is mined near the town of Boddington, 130 kilometres south east of Perth. The bauxite is …
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.
Learn about Alcoa's leadership in bauxite mining and ability to meet customer-specific needs for high-quality, sustainably produced products. AA $37.84 (+1. ... hydraulic fluid and other hydrocarbons by almost half at its bauxite operations in Western Australia with a focus on maintaining its 60-year record of never having negatively impacted ...
A biodiversity-restoration project under way in Western Australia provides a leading example. The goal: to reestablish the equivalent level of plant species richness in rehabilitated areas equal to the un-mined Jarrah forest. (A Jarrah forest is tall open forest. Eucalyptus marginata is the dominant tree.) Les Baux, the Home of Bauxite
bauxite mining and alumina refining operation in the South West of Western Australia. Bauxite is mined near the town of Boddington, 130 kilometres south east of Perth. The bauxite is transported to the Worsley Alumina Refinery near Collie via an overland conveyor system that stretches more than 50 kilometres.
Overall, the study results suggest that the public are aware of bauxite mining activities and the rehabilitation processes in the jarrah forest of the south-west of Western Australia. Respondents also value the natural aspects of the jarrah forest above recreational values especially those that further disrupt the native jarrah forest ecosystem.
The Worsley Alumina Refinery is named after the historic timber settlement of Worsley, near Collie in the south west corner of Western Australia. The history of the project goes back to the early 1960s when a group of local entrepreneurs formed a firm to explore, develop and sell deposits of bauxite ore on the eastern side of the Darling Range ...
Alcoa World Alumina Australia has been rehabilitating bauxite mines in the jarrah forest of Western Australia for more than 35 years. An experiment was established in 1988 using three different ...
Sustainable Bauxite Mining Guidelines (2018) - Indonesian. Completed Bioremoval Plant Kwinana; ... full scale plant utilising this technology has now been installed and commissioned at Alcoa's Kwinana refinery in Western …
Alcoa World Alumina Australia has been rehabilitating bauxite mines in the jarrah (Eucalyptus marginata) forest of Western Australia for more than 35 years.Mines rehabilitated in the early 1980s contain some eastern Australian eucalypts and have built up substantial fuel loads (23–35 t/ha) that may be reduced through prescribed burning.The aim of this study was to …
In Western Australia, we extract bauxite at our Huntly and Willowdale mines and conduct world-class rehabilitation. The bauxite is transported to our three refineries at Kwinana, Pinjarra and …
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
forest after mining and re-establishing the high botanical diversity of the Jarrah forest (Ward et al. 1996). Regional Description . ALCOA of Australia mines bauxite from the Darling Range in south-western Australia in an area known as the Jarrah Forest. The Darling Range is a mountainous region characterized by a
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 to as similar as the original forest as possible.
Restoration needs to consider more than just soils and plants. The role of terrestrial invertebrates in the restoration of Alcoa's bauxite mines in the Jarrah (Eucalyptus marginata) forest of Western Australia has been the subject of over 20 individual studies.Projects range from arthropods in soil and leaf litter, to the understorey vegetation, and the tree canopy.
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 ...
Western Australia's principal resources projects, 2020-21 In 2020-21, Western Australia had 125 principal mining projects. Each of the principal mining projects is export-oriented and high value. They each had mineral sales valued at more than $5 million (or more than 2,500oz of gold), or, in the case of projects on private land,
to make it begins with mining bauxite, which occurs in certain locations globally including Western Australia's Northern Jarrah Forest. When our mining is complete, we embark on extensive +500 hectares forest rehabilitation. We only mine in areas that have been previously logged, and avoid old growth forest, national parks and areas of high
Worsley Alumina 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.
Mining Rehabilitation. We respect the privilege of operating in an area of Western Australia characterised by jarrah forest, native flora and fauna, and waterways. We know that our activities can affect biodiversity values in this important ecosystem.
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 2023, Australian bauxite production was 98.64 million tonnes (Mt). 41.23 Mt of bauxite was exported, and the remainder converted to Australian alumina.
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.
Alcoa World Alumina Australia has been rehabilitating bauxite mines in the jarrah (Eucalyptus marginata) forest of Western Australia for more than 35 years.Mines rehabilitated in the early 1980s contain some eastern Australian eucalypts and have built up substantial fuel loads (23–35 t/ha) that may be reduced through prescribed burning. The aim of this study was to …
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 undertaken with data to ...
The jarrah (Eucalyptus marginata) forest in Western Australia has highly weathered, nutrient deficient soils.Post mining restoration in this, and other environments with nutrient deficit soils can result in soil phosphorus concentrations remaining elevated for 20 or more years after a single, initial fertiliser application (e.g. Banning et al., 2008; Spain et al., …
Alcoa has mined bauxite in WA's South West forests for 60 years. A group of scientists, including Professor Fiona Stanley and Professor Kingsley Dixon, today called for a halt to operations in ...
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 ...
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 …
She cites Alcoa's curtailment of its Kwinana alumina refinery in Western Australia as a prime example of this vulnerability. In a letter to the government on 26 July, the AAC repeated its stance on the importance of bauxite mining in Australia's ability to vie for capital in a competitive global market.
Jarrah (Eucalyptus marginata) forests cover approximately 3.3 Mha in the southwest of Western Australia (Abbott and Loneragan, 1983). Alcoa World Alumina Australia (ALCOA) and Worsley Alumina Pty Ltd. (Worsley) have bauxite mining leases in …