Integrated Assessment of Artisanal and Small-Scale Gold Mining in Ghana …
This report is one of three synthesis documents produced via an integrated assessment (IA) that aims to increase understanding of artisanal and small-scale gold mining (ASGM) in Ghana. Given the complexities surrounding ASGM, an IA framework was utilized to analyze economic, social, health, and environmental data, and co-develop evidence-based …
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Levels of arsenic, mercury, cadmium, copper, lead, zinc and …
The mean levels of arsenic, cadmium, mercury, manganese, lead, copper and zinc in whole blood of resident adults from historic mining areas in Ghana (Tarkwa Nsuaem Municipality and Prestea Huni Valley District) and non-mining area (Cape Coast Metropolis) have been presented in Table 2 below.
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Environmental exposure and potential health
Heavy metal exposure arising from metal mining is a significant source of pollution in sub-Saharan Africa. In Ghana, concerns have been heightened due to the increasing …
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Distribution and in-vitro bioaccessibility of potentially
Furthermore, Igeo results showed extreme pollution of the surface soil with cadmium in the mining community and substantial pollution in the non-mining community. All, except arsenic in the mining area revealed background levels for the remaining toxic metals.
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Effect of Mining on Heavy Metals Toxicity and Health Risk in …
Heavy metal contamination of selected rivers in the mining areas of Ghana was studied. In the study, 44 composite water samples were collected, digested, and analyzed for …
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Full article: Environmental risk assessment of …
Prestea-Huni Valley District (PHD) is a mining community in the Western Region of Ghana. The district is endowed with rich mineral resources and has therefore attracted major mining companies such as Abosso …
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Contamination from mercury and other heavy metals in a mining …
This study provided a retrospective analysis of contamination from heavy metals (Hg, Pb, As, Cu and Cd) in the Bibiani mining district in Ghana, applying sediment core analysis. Contamination trends were established and discussed from the perspective of local policies governing mining in Ghana.
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Distribution and in-vitro bioaccessibility of potentially
Furthermore, Igeo results showed extreme pollution of the surface soil with cadmium in the mining community and substantial pollution in the non-mining community. All, …
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Contamination Levels and Sources of Heavy Metals and a …
Cadmium in soils from the study area may come from the mining and processing of Zn and chalcophilic metals.22 The presence of Zn in the environment is associated with mining and smelting, which pollutes the air, water and soil and ultimately undergoes oxidation to release Zn 2+ ions into water bodies.22
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Potential heavy metal pollution of soil and water resources …
Ghana is known to be one of the major gold producers globally, and the mining sector is believed to contribute significantly to the gross foreign earnings of the country. Artisanal gold mining has been on the increase in the country and it is said to be a major contributor of metals in water resources due to indiscriminate use of Mercury (Hg ...
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Arsenic contamination in abandoned and active gold mine spoils in Ghana
In Ghana, gold mining has resulted in widespread environmental degradation of water, landscape, soil and the ecosystem (Mensah et al., 2015; Owusu et al., 2019). ... and phytoavailability of arsenic, cadmium and lead in a paddy soil. 2021, Journal of Hazardous Materials. Show abstract. The aim of this study was to evaluate the effect of raw ...
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Galamsey in Ghana: Illegal mining pollution potentially …
High gold prices and unemployment linked to surge in illegal mining, but scientists fear women at risk of maternal deaths, miscarriages and birth defects in their children from the pollution caused.
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Effect of Mining on Heavy Metals Toxicity and Health Risk in …
Heavy metal contamination of selected rivers in the mining areas of Ghana was studied. In the study, 44 composite water samples were collected, digested, and analyzed for selected metals using ICP-MS.
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A Systematic Review of Heavy Metals of Anthropogenic …
The main characteristics of each study are described in Tables 3, 4(a)–4(c), and 5(a)–5(e). Whereas older studies (from mid 1970s through early 1990s) on heavy metals in environmental media and biologic specimens in Ghana were mainly undertaken along the Ashanti gold belt in south western Ghana (to a large extent in Obuasi and to some extent in Tarkwa), studies …
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District of the Western Region of Ghana Topsoil of …
Gold mining in Ghana has been the largest foreign exchange earner apart from cocoa since pre- and post-independent Ghana. According to Obiri et al. (2006), gold export earnings
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impacts of gold mining in Ghana Assessing …
impacts of gold mining in Ghana Frederick A. Armah, Isaac Luginaah & Obiri To cite this article: Frederick A. Armah, Isaac Luginaah & Obiri (2012) Assessing environmental exposure and health impacts of gold mining in Ghana, Toxicological & Environmental Chemistry, 94:4, 786-798, DOI: 10.1080/02772248.2012.667205
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Potentially harmful elements in mining sites in Ghana: …
Cadmium, mercury, lead and titanium in mine spoils were found to be correlated with aluminium, iron, manganese, pH, total carbon, clay content and phosphorus in a multivariate …
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Environmental and health impacts of mining: a case study in …
Description of the study area. Kenyasi, the capital of Asutifi District, is located in the Ahafo Region of Ghana. About 8% of Newmont's worldwide equity gold sales come from the Ahafo Mine (Fig. 1), which is situated in Kenyasi in the tropical, cocoa-growing area of western Ghana (Nasirudeen et al. 2021).The mines produced 446,000 equity ounces of gold, which is …
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Distribution and in-vitro bioaccessibility of potentially
The concentration and bioaccessibility of potentially toxic metals, including As, Cd, Cr, Cu, Mn, Ni, Pb and Zn, were determined in surface soil samples from a mining community (Kenyasi) and a non-mining community (Sunyani) in Ghana, to investigate the contribution of mining activities to the environmental burden of potentially toxic metals. The study found …
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Informal artisanal and small-scale gold mining (ASGM) in Ghana …
The soil samples had elevated levels of cadmium. Mining activities such as smelting, waste disposal, and excavation lead to the accumulation of cadmium (Essandoh et al., 2021). ... and the political influence in the sector remains a major driving force for illegal mining in Ghana. For ASGM to reach its full potential in sustainable economic ...
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Contamination from mercury and other heavy …
This study provided a retrospective analysis of contamination from heavy metals (Hg, Pb, As, Cu and Cd) in the Bibiani mining district in Ghana, applying sediment core analysis. Contamination trends were established and …
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Integrated Assessment of Artisanal and Small-Scale Gold Mining in Ghana …
Two studies from non-mining areas measured cadmium in sediment (individual sample range: zero to 1.42 µg/g) [66,67]. Similarly ... Land degradation and deforestation is a substantial problem facing Ghana. Mining, as well as agriculture, population growth, and other factors, have contributed to widespread deforestation.
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Water quality and health risk assessments of illegal gold mining …
Reports of acid mine drainage resulting from gold mining activities in the Southwestern region of Ghana by Akabzaa et al. (2009), Afriyie-Debrah et al. (2010), and Ofori-Sarpong and Amankwah (2019) further support the findings of this study. The contamination of these estuaries with metals has serious implications for the health of the ...
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Contamination Levels and Sources of Heavy Metals and a …
Environmental contamination with heavy metals and metalloids due to industrial, smelting and mining activities have become common in large and growing cities. Kumasi is one of the most industrialized cities in Ghana and experiences metal pollution due …
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(PDF) Heavy Metals Accumulation by Indigenous Plants …
The shoots and roots of plant species surrounding the mining areas and the samples of associated soils were collected and analysed for total concentrations of lead (Pb), chromium (Cr), cadmium (Cd ...
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Environmental exposure and potential health
Heavy metal exposure arising from metal mining is a significant source of pollution in sub-Saharan Africa. In Ghana, concerns have been heightened due to the increasing artisanal mining activities. To address the effects of illegal mining, the government of Ghana instituted a ban on artisanal mining.
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District of the Western Region of Ghana Topsoil of Some …
The Wassa West District of the western region of Ghana is noted for a large deposit of gold ores. As a result, there is a lot of mining activity in the district, which include both legal and illegal …
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The Dangerous Couple: Illegal Mining and Water …
The threat posed by illegal mining to the quality of water resources in Ghana has become a major public concern due to the closing down of some water treatment plants in the country. ... Six heavy metals such as lead (Pb), cadmium (Cd), copper (Cu), mercury (Hg), iron (Fe), and zinc (Zn) in water were investigated from Fena River in the Amansie ...
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Full article: Environmental risk assessment of heavy metals
Prestea-Huni Valley District (PHD) is a mining community in the Western Region of Ghana. The district is endowed with rich mineral resources and has therefore attracted major mining companies such as Abosso Goldfields, Golden Star Resources, Bogoso/Prestea Ltd, Tarkwa Goldfields and AngloGold Ashanti Ltd.
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Integrated Assessment of Artisanal and Small …
in Ghana to investigate impacts of gold mining eith er by large-scale or sma ll-scale mining on climate change, but the land use changes described above and the reliance on fossil fuels for ...
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