weipa mining method

weipa mining method
Major Mines Projects Weipa Operation

Weipa operations includes three bauxite mines East Weipa, Andoom and Amrun. Bauxite ore in Weipa is found in a layer three to four metres deep in the form of small, red pebbles, called pisolites. Vegetation is removed from the site to be mined and scrapers strip the topsoil (which varies in depth from one to

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Weipa Local and Indigenous Participation Strategy - Rio

2020-9-16  In Western Cape York, Rio Tinto operates under three Indigenous mining agreements: the Western Cape Communities Co-existence Agreement (WCCCA), the Ely Bauxite Mining Project Agreement (EBMPA) and the Weipa Township Agreement. These

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Mining and Refining – Australia

Commercial quantities of bauxite were discovered on Aboriginal lands at Weipa in western Cape York in 1955. Nine years later commercial production began, with 453,365 tonnes of bauxite mined and shipped that year. By 2009, this annual production figure

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(PDF) The Mining Sector and Indigenous Tourism in Weipa ...

available. Weipa is owned by the mining company Comalco, a wholly In the semi-structured interviews participants were encouraged owned subsidiary of Rio Tinto, and is the site of one of the largest to discuss any issues they felt were relevant to Indigenous tourism bauxite mines in the world.

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Major Mines Projects Bauxite Hills Mine

Mining experience in Weipa and Andoom has demonstrated that cemented bauxite is typically a small percentage of the total bauxite in this region. The geological interpretation is grade-based using a threshold of =45% total Al2O3 and =15% total SiO2 for BH1 and BH2 and of =45% total Al2O3 and =20% total SiO2 for BH6 (including the old Gulf Alumina areas), to define economic bauxite.

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The mining sector and indigenous tourism development in ...

2010-10-1  Weipa is owned by the mining company Comalco, a wholly owned subsidiary of Rio Tinto, and is the site of one of the largest bauxite mines in the world. In 2002, the mining operations generated earnings in excess of $360 million.

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(PDF) Mining Methods: Part I-Surface mining

Open pit mining method is one of the surface mining methods that has a traditional cone-shaped excavation and is usually employed to exploit a near-surface, nonselective and low-grade zones ...

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深度学习难分样本挖掘（Hard Mining） - 知乎

2018-12-6  《深度学习样本训练策略》 最近看了几篇文章关于难分样本的挖掘，如何将难分样本抽取出来，通过训练，使得正负样本数量均衡。一般用来减少实验结果的假阳性问题。 论文：Training Region-based Object Detectors w

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rcnn中的Hard negative mining方法是如何实现的？ - 知乎

2019-8-19  也就是说，R-CNN的Hard Negative Mining相当于给模型定制一个错题集，在每轮训练中不断“记错题”，并把错题集加入到下一轮训练中，直到网络效果不能上升为止。. R-CNN中Hard Negative Mining的实现代码: rcnn/rcnn_train.m at master rbgirshick/rcnn Line:214开始的函数定义. 在源 ...

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(PDF) The Mining Sector and Indigenous Tourism in Weipa ...

The next section provides a description of the methods used for the 3. Indigenous people, the mining sector and corporate study. Details of the Weipa region and Comalco are provided in social responsibility Section 5 and this is followed by a discussion of the Aboriginal communities in the region and some relevant Indigenous organi ...

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Weipa SpringerLink

2021-5-1  Aboriginal site and mining town, northern Queensland, Australia, on the northwestern coast of Cape York Peninsula. Matthew Flinders noted the red deposits, which were later identified as bauxite, the ore of aluminum. About 500 shell mounds are dated c. 1200 BP, and they are among the largest and best-preserved examples of shell middens in the ...

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The mining sector and indigenous tourism development

The mining sector and indigenous tourism development in Weipa, Queensland Jeremy Buultjensa,*, David Breretonb, Paul Memmottc, Joseph Reserc, Linda Thomsonc, Tim O’Rourkec aSchool of Commerce and Management, Southern Cross University, PO Box 157, Lismore NSW 2480, Australia b The Centre for Social Responsibility in Mining, Sustainable Minerals Institute, The University of

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Does post-mining rehabilitation on the Weipa bauxite ...

2020-2-5  It is concluded that mining and post-mining rehabilitation on the Weipa bauxite plateau has so far resulted in habitat conversion rather than habitat restoration. It therefore contributes to the causes of biodiversity decline. Post-mining rehabilitation created new habitat for 18 bird species not sourced from the pre-mining native forest.

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Weipa Rebel Connect

2021-10-15  Weipa’s current major development is the Amrun Project, which will extend mining activities between Weipa and Aurukun including the construction of a processing plant, damn, and a ferry terminal to transport workers from Weipa to the mine. Weipa

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Comalco Mining - Angelfire

Weipia Mining Site. At Weipa, in northern Queensland (see map one), Comalco uses open cut mining methods, as the deposit lies beneath only topsoil and vegetation. It does not require blasting, as it is loose and relatively easy to dig. They first strip the area of vegetation and the topsoil using bulldozers.

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Lateritic Ore - Leaders in Mining Software Advisory

2020-1-22  Mining Method Studies, e.g., IPCC, Autonomous vehicles Studies (Scoping to Detailed Feasibility) Metallurgical Test Work Management Reserve Estimation Peer Review ... Rio Tinto Aluminium Weipa Mine Expansion Project - Life-of-Mine Plan, Short term mine planning, Haulage optimisation study Queensland Bauxite

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KlimRess – Impacts of climate change on mining, related ...

2020-6-23  This case study analyses three mining operations in Australia: Rio Tinto’s Weipa bauxite mining operations in Queensland (tropical climate), the Goonyella Riverside coking coal mining operations ... (OekoRess method) in order to inform the discussion of environmental criticality. Lastly, the project team combined data on current production ...

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Portman Mining Ltd Coal Mine - Burton Coal - Queensland ...

2021-10-6  Mining method In 1998, the Burton pit was deepened 30m to 110m. Extra infrastructure to cater for the pit expansion included a second 400tph coal processing module, a truck retrieval and skyline stockpiling facility at Mallawa and an expansion of village accommodation and mine

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Sustainable Bauxite Mining Guidelines

2018-5-30  mining and related activities often take place on, or near, indigenous lands and/or local communities. Mining frequently requires access to large tracts of land and water that is often the basis of livelihoods for local communities. At the same time, mining

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Weipa - Archaeology, University of York

2021-8-27  Overview. The Weipa region of NW Queensland combines one of the world’s largest open-cast bauxite mines, owned by Rio Tinto Alcan (RTA), with an archaeological record comprising one of the world’s largest intact concentrations of estuarine shell mounds. Bauxite was discovered in 1955, and mining began in the early 1960s.

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Weipa SpringerLink

2021-5-1  Aboriginal site and mining town, northern Queensland, Australia, on the northwestern coast of Cape York Peninsula. Matthew Flinders noted the red deposits, which were later identified as bauxite, the ore of aluminum. About 500 shell mounds are dated c. 1200 BP, and they are among the largest and best-preserved examples of shell middens in the ...

Read More
Does post-mining rehabilitation on the Weipa bauxite ...

2020-2-5  It is concluded that mining and post-mining rehabilitation on the Weipa bauxite plateau has so far resulted in habitat conversion rather than habitat restoration. It therefore contributes to the causes of biodiversity decline. Post-mining rehabilitation created new habitat for 18 bird species not sourced from the pre-mining native forest.

Read More
Weipa Rebel Connect

2021-10-15  Weipa’s current major development is the Amrun Project, which will extend mining activities between Weipa and Aurukun including the construction of a processing plant, damn, and a ferry terminal to transport workers from Weipa to the mine. Weipa

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RIO TINTO WEIPA: The Value Proposition of Good Work

The aim of this case study is to identify organisational drivers of a mining operation, Rio Tinto Weipa, that has achieved some significant success with their good work design initiatives. Further, a program example was dissected with the aim to identify elements of the design process and outcomes achieved. Methods

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Comalco Mining - Angelfire

Weipia Mining Site. At Weipa, in northern Queensland (see map one), Comalco uses open cut mining methods, as the deposit lies beneath only topsoil and vegetation. It does not require blasting, as it is loose and relatively easy to dig. They first strip the area of vegetation and the topsoil using bulldozers.

Read More
Lateritic Ore - Leaders in Mining Software Advisory

2020-1-22  Mining Method Studies, e.g., IPCC, Autonomous vehicles Studies (Scoping to Detailed Feasibility) Metallurgical Test Work Management Reserve Estimation Peer Review ... Rio Tinto Aluminium Weipa Mine Expansion Project - Life-of-Mine Plan, Short term mine planning, Haulage optimisation study Queensland Bauxite

Read More
KlimRess – Impacts of climate change on mining, related ...

2020-6-23  This case study analyses three mining operations in Australia: Rio Tinto’s Weipa bauxite mining operations in Queensland (tropical climate), the Goonyella Riverside coking coal mining operations ... (OekoRess method) in order to inform the discussion of environmental criticality. Lastly, the project team combined data on current production ...

Read More
Sustainable Bauxite Mining Guidelines

2018-5-30  mining and related activities often take place on, or near, indigenous lands and/or local communities. Mining frequently requires access to large tracts of land and water that is often the basis of livelihoods for local communities. At the same time, mining

Read More
Rio Tinto Amrun Project Social Impact Management Plan

2016-2-5  Stakeholders received the draft document and feedback template by one of the following methods: Direct contact from Rio Tinto, and/or As an attachment to meeting papers prepared. If stakeholders felt more comfortable providing verbal feedback rather than completing the template, this option was made available by Rio Tinto. 1.2.

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