Mining industry to set global tailings dam standards - Reuters

Currently there are no established global mining industry standards defining what a tailings dam is, how to build one and how to care for it after it is decommissioned...

Properties of Tailings Dams - Uranium

The embankments forming these impoundments are earthfill dams Although water-retention type dams would be very suitable for tailings dams, they are not used for their high cost Other than water-retention type dams, tailings dams usually are not constructed initially to completion, but raised sequentially as the impoundment fills...

Research Article Arsenic Sorption Characteristics in ,

Science and Technology, Kumasi, Ghana 2Department of Earth Science, University of Ghana, Legon-Accra, Ghana Abstract: Arsenic (As) sorption characteristics in decommissioned tailings dam environment at the Obuasi mine, Ghana was studied The aim was to outline effective remediation strategy for As, hence the objectives were to...

PM Nude [BSc, MPhil, PhD (Ghana)] | Department of Earth ,

Arsenic sorption characteristics in decommissioned tailings dam environment at the Obuasi Mine, Ghana Research Journal of Environmental and Earth Sciences, 5(10): 599-610 24...

Trace elements contamination of soils around gold mine ,

following observation was made: decommissioned tailings dam site >active tailings dam site >control site The increased trace elements in test soils, beyond that of the controls, were probably a direct consequence of the tailings dams, in view of the fact that the dams c ,...

Ghana National Climate Change Policy

Ghana, bearing in mind its linkages with our development What is relevant for Ghana is to ensure the mainstreaming of the climate-proofing agenda into national development This brings to the fore, the reality of mutually reinforcing and integrating the climate change issues into the national planning and budgeting process The success of the...

Stabilization of a Tailings Dam by De-Watering

Stabilization of a Tailings Dam by De-Watering A B Fourie Department of Civil Engineering, University of Witwatersrand, South Africa G I McPhail Steffen, Robertson and Kirsten, Johannesburg, South Africa SYNOPSIS The failure of the outer slope of one of the paddocks of a tailings dam, resulted i~ a...

Tailings, Waste and Emissions - newmont

In response to several high-profile tailings dam failures, the International Council on Mining and Metals (ICMM) developed a position statement that was published at the end of 2016 on Preventing Catastrophic Failure of Tailings Storage Facilities, which addresses six key areas of governance that members, including Newmont, agreed to implement...

Distribution of Arsenic and Heavy Metals from Mine ,

Distribution of Arsenic and Heavy Metals from Mine Tailings dams at Obuasi Municipality of Ghana Crentsil Kofi Bempah*1,6, Anthony Ewusi2, Solomon Obiri-Yeboah1, Stephen Boahen Asabere4, Francis Mensah3, Juliana Boateng5, Hans-Jürgen Voigt1 1Faculty of Environmental Sciences and Process Engineering, Chair of Environmental Geology Erich -Weinert...

Setting a standard for tailings dam management

for tailings dams This will continue to provide a coherent and thorough technical basis for design, operation and closure of tailings dams for the mining/minerals processing industry Tailings dams comprise structures to aid the storing of unwanted waste from a mineral or manufacturing process...

Johnson Manu BSc, MBA(Ghana), MSc, PhD (Germany ,

Johnson Manu BSc, MBA(Ghana), MSc, PhD (Germany) Johnson Manu BSc, MBA(Ghana), MSc, PhD (Germany) Associate Professor [email protected] RESEARCH INTEREST Planning and management modelling for small scale gold mining concessions , SKY; Manu, J and Nude, P M (2013) Arsenic Sorption Characteristics in Decommissioned Tailings Dam ....

Brazil's Vale failed to report dam defects that could have ,

Mining giant Vale failed to report problems at a massive tailings dam in Brazil that could have averted its collapse, killing hundreds, a government agency said Tuesday The January 25 dam breach ....

Trace elements contamination of soils around gold mine ,

This study investigated the issue of tailings dams as a potential source of trace elements contamination in soils at the Obuasi gold mine in Ghana Soil samples taken from depths of up to 12 cm and within a radius of 400 m from the tailings dams (active and decommissioned), were analysed for As, Cu, Pb and Zn using atomic absorption spectrometry...

equipment for gold mine tailings in ghana - YouTube

May 31, 2018· This video is unavailable Watch Queue Queue Watch Queue Queue...

Best Practices for Tailings Dam Design - Klohn Crippen ,

Sep 07, 2017· Tailings dam design should be based on a complete understanding of the foundation geology and soils, through comprehensive site investigations, and designed for the full life cycle of the mine, from the initial stages of construction, to mining operations, and ultimately decommissioning and closure (McLeod and Bjelkevik 2017)...

Brazil's Vale failed to report dam defects that could have ,

Mining giant Vale failed to report problems at a massive tailings dam in Brazil that could have averted its collapse, killing hundreds, a government agency said Tuesday The January 25 dam breach ....

Mining industry of Ghana - Wikipedia

The Mining industry of Ghana accounts for 5% of the country's GDP and minerals make up 37% of total exports, of which gold contributes over 90% of the total mineral exports Thus, the main focus of Ghana's mining and minerals development industry remains focused on gold Ghana is Africa's largest gold producer, producing 805 t in 2008...

Trace elements contamination of soils around gold mine ,

This study investigated the issue of tailings dams as a potential source of trace elements contamination in soils at the Obuasi gold mine in Ghana Soil samples taken from depths of up to 12 cm and within a radius of 400 m from the tailings dams (active and decommissioned), were analysed for As, Cu, Pb and Zn using atomic absorption spectrometry...

Tailings dam failures: an interesting perspective article ,

May 13, 2019· Tailings dam failures: an interesting perspective article in Science Late last week the journal Science published a very interesting Perspective article (Santamarina et al 2019) on tailings dam failur The gist of the article is summarised in this part of the conclusion:...

Brazil's mining giant Vale was aware of problems with ,

10 days ago· Mining giant Vale failed to report problems at a massive tailings dam in Brazil that could have averted its collapse, killing hundreds, a government agency said on Tuesday The Jan 25 dam ,...

Tailings dam - Wikipedia

A tailings dam is typically an earth-fill embankment dam used to store byproducts of mining operations after separating the ore from the gangue Tailings can be liquid, solid, or a slurry of fine particles, and are usually highly toxic and potentially radioactiveSolid tailings are often used as part of the structure itself Tailings dams rank among the largest engineered structures on ,...

African Journal of Environmental Science and Technology

This study investigated the issue of tailings dams as a potential source of trace elements contamination in soils at the Obuasi gold mine in Ghana Soil samples taken from depths of up to 12 cm and within a radius of 400 m from the tailings dams (active and recommissioned), were analysed for As, Cu, Pb and Zn using atomic absorption spectrometry...

Johnson Manu BSc, MBA(Ghana), MSc, PhD (Germany ,

Johnson Manu BSc, MBA(Ghana), MSc, PhD (Germany) Johnson Manu BSc, MBA(Ghana), MSc, PhD (Germany) Associate Professor [email protected] RESEARCH INTEREST Planning and management modelling for small scale gold mining concessions , SKY; Manu, J and Nude, P M (2013) Arsenic Sorption Characteristics in Decommissioned Tailings Dam ....

Tailings, Waste and Emissions - newmont

In response to several high-profile tailings dam failures, the International Council on Mining and Metals (ICMM) developed a position statement that was published at the end of 2016 on Preventing Catastrophic Failure of Tailings Storage Facilities, which addresses six key areas of governance that members, including Newmont, agreed to implement...

Brazil's Vale failed to report dam defects that could have ,

Mining giant Vale failed to report problems at a massive tailings dam in Brazil that could have averted its collapse, killing hundreds, a government agency said Tuesday The January 25 dam breach ....

Analysis of mine water from four decommissioned pits in ,

Research into water quality status of accumulated water in decommissioned pits is a grey area in Ghana and could be of significant benefit in the effectiveness of remediation of pits after mining Water sampled from four decommissioned pits in Amansie West District were analysed for their water quality status...

LEVELS OF HEAVY METALS AND CONTAMINATION STATUS ,

Cr, Cd, Cu, Zn and Fe and the contamination status of a decommissioned tailings dam from the CGM in Ghana Keywords: Contamination factor , Geoaccumulation index Enrichment factor, Pollution Load index, Ecological Risk factor Materials and Methods Study site Chirano Gold Mines Limited (CGML) is a major mining company located in the...

CDA technical bulletin on tailings dam breach analyses

flows that are critical to tailings dam breach events The CDA Bulletin on TDBA will aim to fill this gap in the literature and will offer a basis for discussion between dam owners, dam safety professionals, and tailings dam safety regulators The physical processes of breaching for tailings dams are complex, as they may include flow...

Ghana National Climate Change Policy

Ghana, bearing in mind its linkages with our development What is relevant for Ghana is to ensure the mainstreaming of the climate-proofing agenda into national development This brings to the fore, the reality of mutually reinforcing and integrating the climate change issues into the national planning and budgeting process The success of the...

Mining industry of Ghana - Wikipedia

The Mining industry of Ghana accounts for 5% of the country's GDP and minerals make up 37% of total exports, of which gold contributes over 90% of the total mineral exports Thus, the main focus of Ghana's mining and minerals development industry remains focused on gold Ghana is Africa's largest gold producer, producing 805 t in 2008...