PROCESSING OF GOLD-BEARING SAND DUMPS: A CASE STUDY IN ZIMBABWE
In this article, we investigate the possibility of reprocessing gold bearing gold dumps for gold as a sustainable way of reviving the mining sector in Zimbabwe.
Effects Of Gold Mine Dumps In Zimbabwe
[PDF] Chemical sterilisation and vetiver grass performance on gold …
Land pollution at gold mine dumps requires sustainable rehabilitation. A study was conducted at Muriel gold mine, Zimbabwe to investigate the integrated effects of dump age, topographic position and soil depth on chemical degradation, and vetiver grass ( Vetiveria zizanioides ) performance.
THE ENVIRONMENTAL EFFECTS OF EFFLUENT DISPOSAL …
This study examines the environmental effects of effluent disposal at gold mines in Zimbabwe with particular reference to Tiger Reef Gold Mine in the Kwekwe district.
Physico-chemical Characteristics of a Gold Mining Tailings …
Land pollution at gold mine dumps requires sustainable rehabilitation. A study was conducted at Muriel gold mine, Zimbabwe to investigate the integrated effects of dump age, topographic position and … Expand
Ecological and human health risks associated with abandoned gold mine
Gold mining is a major source of metal and metalloid emissions into the environment. Studies were carried out in Krugersdorp, South Africa, to evaluate the ecological and human health risks associated with exposure to metals and metalloids in mine tailings contaminated soils.
Zimbabwean Mine Dumps and Their Impacts On River Water …
Zimbabwean Mine Dumps and Their Impacts on River Water Quality a Reconnaissance Study - Free download as PDF File (.pdf), Text File (.txt) or read online for free. This …
Location map of the tailings dumps at Muriel Gold mine; Slimes dump …
Land pollution at gold mine dumps requires sustainable rehabilitation. A study was conducted at Muriel gold mine, Zimbabwe to investigate the integrated effects of dump age, topographic position ...
Government grants EPO to Premier African Minerals
Premier African Minerals Ltd, is pleased to announce the formal grant of an Exclusive Prospecting Order No. 1779 (EPO) over an area that encompasses the Zulu Lithium and Tantalum claims (Zulu) in the Fort Rixon district of Zimbabwe for a period of three years with effect from 12 March 2021 to 11 March 2024.Details of the grant of the …
A review on the impact of mining operation: Monitoring, …
It is therefore an established fact that mine dumps generate severe acidic and chemically noxious environments that effect the health of people living close to mine dumps. With time, wastes from mine dumps find their way in water bodies and they have great impact on agricultural land, they contaminate groundwater and surface water; and …
Zimbabwean Mine Dumps and Their Impacts On River Water Quality
This document summarizes a study on the impacts of mine tailings dumps in Zimbabwe on river water quality. Six types of mine dumps were investigated: gold, base metal, minor metal, platinum group metal, chromite/asbestos, and sulphur mines. Samples of dump leachates and upstream/downstream waters were tested for pH and concentrations of …
Impact of a base metal slimes dam on water systems, Madziwa Mine, Zimbabwe
From the study it emerged that the minor metals dumps show the worst pollution risk, followed by base metal dumps, gold-mine dumps, platinum group metals mine dumps, chromite asbestos mine dumps and sulphur mine dumps.
Tatenda Nyenda's lab | Stellenbosch University (SUN)
Land pollution at gold mine dumps requires sustainable rehabilitation. A study was conducted at Muriel gold mine, Zimbabwe to investigate the integrated effects of dump age, topographic position ...
A push for gold leaves a toxic legacy in Zimbabwe
They sift through rocks in the river and dump beads of mercury over the sediment, which clings to gold. ... Mercury's health effects are devastating. ... Mercury and gold-mining in Zimbabwe.
Failure of a mine waste dump in Zimbabwe: Causes and …
flowslide of a gold mine waste dump (or tailings dam) at Arc- turus, near Harare, Zimbabwe. These factors comprise poor basal drainage, steep perimeter walls, saturation of the walls and basal sediments through continued spigoting of slurry dur- ing a period of heavy rainfall, and the effect of this saturation
effects of gold mine dumps in zimbabwe- Crusher …
His main research has been on groundwater and groundwater pollution cases near mine dumps and operating mines for the 12 years. He worked on the effect of cyanide in gold mine dumps in Zimbabwe, then proceeded to work on the Berg Aukas mine dumps and slags in Namibia, which led to the re-location of the Youth service camp to a different …
toposequences at Muriel mine, Zimbabwe performance …
Pa ge 2/ 22 Abstract Land pollution at gold mine dumps requires sustainable rehabilitation. A study was conducted at Muriel gold mine, Zimbabwe to investigate the integrated effects of dump age ...
This researcher found billions in 'invisible' gold in Jo'burg's mine dumps
A warning sign guards the entrance to old mine dumps at Crown Mines in Johannesburg. The South African mining industry is the fifth-largest gold producer in the world [Christopher Furlong/Getty ...
Failure of a mine waste dump in Zimbabwe: Causes and consequences
A combination of factors are considered important in causing the failure and subsequent development of a flowslide of a gold mine waste dump (or tailings dam) at Arcturus, near Harare, Zimbabwe. These factors comprise poor basal drainage, steep perimeter walls, saturation of the walls and basal sediments through continued spigoting of slurry during …
Extraction of Gold from Sands and Slimes Tailings Dump from Mazowe Mine
The Mazowe Gold Mine is managed by Metallon Gold (Zimbabwe) and is situated in the west-central part of the Harare greenstone belt. Orebodies here generally comprise shear zones which are in-filled with gold-bearing sulphides and quartz. The mineralised zones are up...
Gold Ore Waste Management Challenges at Renco Mine, Zimbabwe …
This study was aimed at investigating the impact of waste management challenges associated with gold mining in Zimbabwe. The study made use of the transaction model which evaluates the challenges faced by gold mines in Zimbabwe in …
Zimbabwean mine dumps and their impacts on river water …
From the study it emerged that the minor metals dumps show the worst pollution risk, followed by base metal dumps, gold-mine dumps, platinum group metals mine dumps, chromite asbestos mine dumps and sulphur mine dumps.
Failure of a mine waste dump in Zimbabwe: Causes and …
Failure was blamed on the steep perimeter walls of the dump and, as a result, it was recommended that future waste dumps should have much lower-angled slopes. The …
Chemical sterilisation and vetiver grass performance on gold …
Land pollution at gold mine dumps requires sustainable rehabilitation. A study was conducted at Muriel gold mine, Zimbabwe to investigate the integrated effects of dump age, topographic position and soil depth on chemical degradation and vetiver grass (Vetiveria zizanoides) performanc...
Zimbabwean scientist makes billions-worth gold discovery in …
Dr Steve Chingwaru, a 26-year-old geometallurgist, has made a discovery that could revolutionise South Africa's gold mining industry and inject billions into its economy. His groundbreaking PhD ...
Effect of seepage from a gold mine slime dam on thetrace …
Abstract The effect of seepage from a gold mine slime dam on the levels of trace heavy metals in a nearby receiving stream and dam were studied between 1993 and 1995. The heavy metals studied include Cd, Mn, Fe, Co, Ni, Pb, Ag, Cu, Zn and Cr. The major cations Na+, K+, Ca2+, Mg2+, the SO4 2‐ anion, pH, alkalinity, and hardness …
Pollution of Surface Water Close to an Artisanal Gold Mining …
This study investigated the contribution of artisanal gold mining and processing activities at the Macalder Mine, Kenya to iron (Fe), copper (Cu), lead (Pb), zinc (Zn), and nickel (Ni) levels in the drinking water of the nearby Macalder Stream and River Kuja. A tailings dump of an abandoned gold mine in the area is the source of the …
Why Are Zimbabwe's Gold Miners Risking Deadly Mercury …
Mercury exposure can be deadly. So why are gold miners in Zimbabwe using the dangerous chemical — and risking their lives and the health of their communities in the process?
Application of ecosystem function analysis (EFA) in assessing mine
A study was conducted at Muriel gold mine, Zimbabwe to investigate the integrated effects of dump age, topographic position and soil depth on chemical degradation, and vetiver grass (Vetiveria ...
The requirements for the management of tailings
Indeed, some of Zimbabwe's mines were part of the global tailings review carried out in 2019. Zimbabwe's mine safety and environmental management laws are not as sophisticated and up to date with international norms and standards with regards to TSF management as other jurisdictions.
An assessment of the impact of illegal artisanal gold mining …
The objectives of this study were to: (i) assess the environmental impacts of illegal artisanal gold mining in Chewore Safari Area (CSA) and (ii) assess trends in …
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