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the environmental impact of gold mine tailings

The environmental impact of gold mine tailings footprints ...

高达10%返现 · Gold mining in South Africa resulted in vast volumes of tailings, which have been deposited in impoundments. Poor management of most of the tailings dams resulted in the escape of seepage, adversely affecting soils and water quality. Some tailings dams have been partially or completely reclaimed leaving contaminated footprints. These zones pose a serious threat to the

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The environmental impact of gold mine tailings footprints in the Johannesburg region, South Africa October 2000 Bulletin of Engineering Geology and the Environment 59(2):137-148

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Oct 26, 2016 · Environmental pollution from gold mines is associated mainly with the release of harmful elements from the tailings and other mine wastes. The infiltration of water through sulphide- containing tailings piles and ponds, surface and underground workings, waste and development rock leads to leaching of large volumes of metals like Zn 2+ , Ni 2 ...

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Dec 01, 2019 · Gold mine tailings are considered as one of the main mining waste products enriched with many heavy metal and metalloid contaminants, therefore, its storage is a major environmental issue in many countries.

The environmental impact of seepage from gold mine ...

The environmental impact of seepage from gold mine tailings dams near Johannesburg, South Africa Supervisor: Department: Degree: Professor A.vanSchalkwyk

The environmental impact of seepage from gold mine ...

Dec 20, 2007 · Thesis (PhD)--University of Pretoria, 2007. The environmental impact of seepage from gold mine tailings dams near Johannesburg, South Africa

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Review of the Environmental Impacts of Historic Gold Mine Tailings in Nova Scotia J. Drage Introduction Historic gold mining in Nova Scotia produced over 3 million tonnes (t) of tailings (Parsons et al., 2012). During this period, no environmental regulations were in place and tailings were commonly discharged

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Aug 10, 2018 · Tailings deposited as large piles can cause a variety of environmental problems: Slumps, landslides. Tailing piles can be unstable, and experience landslides. In 1966, in Aberfan, Wales, a

Mine Waste Transfer and Disposal Methods - Mine Tailings ...

Lasting Environmental Impact. The main environmental impacts of mining waste include the loss of land following its conversion to a tailings pond or waste storage area and the introduction of acidic runoff or other contaminated sediments into the local environment.

The environmental impact of gold mines: pollution

Oct 24, 2011 · The gold mining plant of Oman was studied to assess the contribution of gold mining on the degree of heavy metals into different environmental media. Samples were collected from the gold mining plant area in tailings, stream waters, soils and

(PDF) Environmental Impact Assessment (EIA) of a gold mine ...

p>Gold mine tailings dams are a high risk part of mining as they contain hazardous materials such as cyanide, mercury and arsenic from processing operations which present a risk to the public and ...

The environmental impact of seepage from gold mine ...

Dec 20, 2007 · Thesis (PhD)--University of Pretoria, 2007. The environmental impact of seepage from gold mine tailings dams near Johannesburg, South Africa

Historic Gold Mine Tailings in Nova Scotia G E O S C I E N ...

Review of the Environmental Impacts of Historic Gold Mine Tailings in Nova Scotia J. Drage Introduction Historic gold mining in Nova Scotia produced over 3 million tonnes (t) of tailings (Parsons et al., 2012). During this period, no environmental regulations were in place and tailings were commonly discharged

Impact of gold mining associated with mercury ...

This work considered the environmental impact of artisanal mining gold activity in the Migori-Transmara area (Kenya). From artisanal gold mining, mercury is released to the environment, thus contributing to degradation of soil and water bodies. High mercury contents have been quantified in

The Environmental Effects of Effluent Disposal at Gold ...

(Adler & Rustler, 2007). Disposal of such large quantities of waste posses tremendous challenges for the gold mining industry and may significantly impact the environment. A major environmental problem relating to mining is the uncontrolled discharge of contaminated water commonly known as effluent disposal (EEB, 2000).

Minerals | Free Full-Text | Gold Mine Tailings: A ...

Mining of minerals such as gold, copper, and platinum has been one of several activities sustaining the economy of South Africa. However, the mining sector has contributed significantly to environmental contamination through the improper disposal of mine tailings which covers vast areas of land. Therefore, this study utilised a vitrification process to manufacture glass from gold mine tailings.

Environmental aspects of mining gold in Otago, Gold in ...

During the mining operation, a hole more than 20 metres deep was dug progressively downstream, and the excavated gravel was used to backfill the hole after the gold was extracted. 2. Macraes hard-rock gold mine showing the main features of a large scale open pit. The excavated pit is on the left (each bench is 10 metres high).

Long-term contamination of the Rio Doce estuary as a ...

Oct 01, 2021 · Introduction. Environmental disasters associated with mining activities are a global concern due to the risks of contamination (Bowker and Chambers, 2015; Garcia et al., 2017; Gil-Jiménez et al., 2017).As an example, tailings traditionally stored in dams offer a great risk to multiple ecosystems that may be located thousands of kilometers away from the mining operations (Magris et al., 2019).

Volta Grande Mining Project, Pará, Brasil | EJAtlas

Apr 03, 2017 · This is the same region where the Belo Monte Dam has caused big social and environmental impacts. Volta Grande project comprises an open-pit, a gold recovery process facility, water and tailings management and supporting infrastructure.

Mine tailings dams: Characteristics, failure ...

Dec 01, 2014 · Tailings are mixtures of crushed rock and processing fluids from mills, washeries or concentrators that remain after the extraction of economic metals, minerals, mineral fuels or coal from the mine resource (e.g., Fig. 1a; Hudson-Edwards et al., 2001, Younger and Wolkersdorfer, 2004, Lottermoser, 2007).The word ‘tailings’ is generic as it describes the by-product of several extractive ...

Tailings - Wikipedia

Terminology. Tailings are also called mine dumps, culm dumps, slimes, tails, refuse, leach residue, slickens, or terra-cone (terrikon).. Examples Sulfide minerals. The effluent from the tailings from the mining of sulfidic minerals has been described as "the largest environmental liability of the mining industry". These tailings contain large amounts of pyrite (FeS 2) and Iron(II) sulfide (FeS ...

Environmental Impact Assessment for Sibanye Gold

Environmental Impact Assessment for Sibanye Gold Limited's West Rand Tailings Retreatment Project GOL2376 Digby Wells Environmental iii Digby Wells and Associates (South Africa) (Pty) Ltd Contact person: Brett Coutts Digby Wells House Turnberry Office Park 48 Grosvenor Road Bryanston 2191 South Africa Tel: 011 789 9495 Fax: 011 789 9498

mining impact on south africa and it

The environmental impact of gold mine tailings , The environmental impact of gold mine tailings footprints in the Johannesburg region, South Africa , Abstract Gold mining in South Africa resulted in...

Impact of Gold mining on the Environment and Human

IMPACT OF GOLD MINING ON THE ENVIRONMENT AND HUMAN HEALTH: A CASE STUDY IN THE MIGORI GOLD BELT, KENYA JASON S. OGOLA1, WINNIE V. MITULLAH2 and MONICA A. OMULO3 1Department of Mining and Environmental Geology, School of Environmental Sciences, Venda University for Science and Technology, Private Bag X5050 Thohoyandou, South Africa

Human Health and Environmental Damages from Mining

C Tyrone Mine: Tailings Dams Contaminate Ground Water ..... . 83 North Carolina C ... C Brewer Gold Mine: Cyanide Release from Gold Mine Affects Biotic ... EPA selected an additional 24 cases from Mining Waste Release and Environmental Effects Summaries, 17 cases from the Mining Sites on the National Priorities List ...

Characterization and environmental impact assessment of ...

Geochemical and mineralogical characterization and environmental impact assessment were performed on Barramiya gold mine tailings, Eastern Desert, Egypt. The Barramiya gold mine is situated within ophiolite-decorated Nugrus suture zone, which composed of dismembered sequence of highly deformed and metamorphosed mafic to ultramafic rocks and their hydrothermal alteration products (carbonate ...

Environmental Impacts of Terrestrial Mining with Case ...

Environmental Impacts of Terrestrial Mining with Case Studies and Comparison to Potential ... - Lihir Gold Mine – Submarine Tailings Disposal - Gold Ridge Gold Mine – Tailings Dam • Deep Sea Mining and Potential Impacts • Video of the Construction of the Ramu Nickel Mine. 3

Old tailing rehabilitation with regard to environmental ...

The major impact of early mining resulted from the establishment of this mine tailings, which neutralized hundreds hectares of land, which due poor management and neglect have been subjected to varying degrees of water and wind erosion. Environmental

Ecological impacts of large-scale disposal of mining waste ...

May 05, 2015 · The Lihir gold mine discharges ~100,000 ML tailings slurry year −1 (containing ~2.5 Mt solids) from an outfall at 128 m depth on the east coast of the island 12,13 .

Dangers of mine waste highlighted in U.N. report

Nov 15, 2017 · The report, "Mine Tailings Storage: Safety Is No Accident," co-published by the U.N. Environment Programme and GRID-Arendal, calls for a 'safety

Idaho Maryland Gold Mine Project Scope Released ...

Here are some environmental topics that we would like to learn about and that will hopefully be a part of the environmental impact report. *Remember, we are only focusing on environmental impacts at this stage, not economic or other factors to consider when planning this mine. Possible water, well, river/creek pollution

Volta Grande Mining Project, Pará, Brasil | EJAtlas

Apr 03, 2017 · This is the same region where the Belo Monte Dam has caused big social and environmental impacts. Volta Grande project comprises an open-pit, a gold recovery process facility, water and tailings management and supporting infrastructure.

Long-term contamination of the Rio Doce estuary as a ...

Oct 01, 2021 · Introduction. Environmental disasters associated with mining activities are a global concern due to the risks of contamination (Bowker and Chambers, 2015; Garcia et al., 2017; Gil-Jiménez et al., 2017).As an example, tailings traditionally stored in dams offer a great risk to multiple ecosystems that may be located thousands of kilometers away from the mining operations (Magris et al., 2019).

Forward Thinking: Dry-Stack Tailings - Eldorado Gold blog

Feb 08, 2019 · Other environmental, safety, and economic advantages of dry-stack tailings include: Reducing the need to extract water from local sources by recycling the water removed from tailings; Easier and safer construction of the tailings dam due to lower dam height and the fact that the dam is not holding back liquid or slurry

Levels of heavy metals and contamination status of a ...

Aug 26, 2019 · Heavy metal pollution from tailings has become a major global concern due to its toxicity, persistence and accumulative potential with its detrimental effects on public health and environmental receptors. In a bid to determine the contamination status of a decommissioned Tailings Storage Facility (TSF 2) from Chirano Gold Mine limited (CGML), scoop of mine tailings were collected down to a ...

mining impact on south africa and it

The environmental impact of gold mine tailings , The environmental impact of gold mine tailings footprints in the Johannesburg region, South Africa , Abstract Gold mining in South Africa resulted in...

The impacts of gold mine tailings in Australia

Mar 16, 2004 · The impacts of gold mine tailings in Australia. Gold's failing tailings. By Ean Higgins, The Australian. The first thing Steve Kean noticed was the dead lizards on his prospecting lease, beside Australia's biggest gold mine near Kalgoorlie. Parts of the area became boggy, and the trees and vegetation started looking sicker and went the same way ...