— History of Mining in Ghana There is evidence of gold extraction activities in Ghana as far back as the 7th and 8th centuries as gold deposits attracted Arab traders into the These activities were strategically located along rivers where sediments believed to contain deposits of gold were washed constantly to separate the gold
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— The impact of mining operations on the surrounding land is also closely linked to the ecological setting of the mining sites For example the deforestation of primary forests caused by mining for iron ore in the tropical rainforests of Gabon is likely to leave more devastating and longer term ecological damage compared to mining iron ore in
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— Post mining land use and associated economies have become a priority issue in mine lifecycle planning for many major operators Ensuring the post mining landscape is returned to a safe and stable condition is usually the first order priority in mine closure though achieving this is a challenge in many contexts Laurence 2006; Limpitlaw
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— Mining alters the natural landscape and discharges large volumes of wastes that pose serious pollution hazards to the environment to human health and to agriculture As a result the recent 2 decades have witnessed a global surge in research on post mining landscape restoration yielding a suite of techniques including physical
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— Paragraph 46 of the JPOI called on governments to a support efforts to address the environmental economic health and social impacts and benefits of mining minerals and metals including workers health and safety; b enhance the participation of stakeholders to play an active role throughout the life cycles of mining operations
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— Following the guiding principle of the circular economy the blue mining concept was developed at the Clausthal University of Technology which stands for mining operations that are able to work in an energy efficient and ergonomic way aim for full automation and support sustainability by promoting the continued use of mine sites during
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— The direct impacts of mining on the environment can be divided into two categories firstly physical impacts such as land clearance excavation and the movement of topsoil; secondly chemical impacts from spillages of oil or petroleum mine drainage and contamination from the use of foams and solvents All mine sites have been physically
— Mycorrhizal fungi also play an important role in mining sites for a review see Deng and Cao 2017 or Wang 2017 Around 80% of plants growing on mining sites could be colonized by arbuscular mycorrhizal fungi Wang 2017 Many mycorrhizal fungi are metal tolerant and have the potential to influence metals and metalloids availability
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— The mining industry generates a large quantity of mining waste including waste rock which refers to the non ore or rocky mineral material that is removed during mining operations Bian et al
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— Rehabilitation The process of repairing the damage done by mining restoring the site to its original state or another agreed upon condition Rehandle In mining rehandle refers to the process of moving ore or waste materials that have been previously excavated often to a different location for further processing or disposal
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With many of these techniques companies can significantly reduce surface disturbance at mining sites lower soil erosion and move less material that would need backfilled Lowering interference in this way can both reduce environmental impact and result in less work when preparing a site for quicker revegetation or rehabilitation 2 Reusing
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— The impact of mining operations on the surrounding land is also closely linked to the ecological setting of the mining sites For example the deforestation of primary forests caused by mining for iron ore in the tropical rainforests of Gabon is likely to leave more devastating and longer term ecological damage compared to mining iron ore in
— Mycorrhizal fungi also play an important role in mining sites for a review see Deng and Cao 2017 or Wang 2017 Around 80% of plants growing on mining sites could be colonized by arbuscular mycorrhizal fungi Wang 2017 Many mycorrhizal fungi are metal tolerant and have the potential to influence metals and metalloids availability
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— At a third mining site Andina there have been active protests against a desalination project that would supply water to a neighboring mine Los Bronces In that community there has been a blockade of the desalination operation by the fishing federation They were blockading that operation for three months because of concerns
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1 — A mining company will also be required to monitor the mine site long after the mine has been closed Gold Mine Reclamation and Post Closure Gold mining companies assume responsibility for the management of a site long after a mine has closed and been dismantled typically for a period of five to ten years or more Over this time the land
— Land degradation is a global challenge with profound impacts on both people s livelihoods and the environment Mining activities present significant environmental challenges necessitating effective monitoring and management strategies for land impacted by post mining activities Remote sensing has emerged as a crucial tool for monitoring
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— 1 Introduction Even though it is regarded as a crucial economic activity worldwide mining has a significant negative impact on environment Due to its nature especially opencast mining inevitably leads to serious degradation on ecological and aesthetic values of the landscape
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— 1 Introduction In surface mining soil and rock overlying or hosting a shallow ore deposit is physically removed to access the resource Surface mining comprises different practices − strip mining open pit mining and mountaintop removal mining − and accounts for more than 80% of ore mined each year Ramani 2012 Surface mining
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— 3 After Mining Once the mining process is complete mining companies can return the land to a natural state and prepare for post closure reuse Mine closure and rehabilitation activities need to take local environmental conditions into account Evidence of the mining operation must be removed as much as possible
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— The 2015 Fact Sheet Renewable Energy on Mine Sites PDF 4 pp MB highlights ongoing and planned renewable energy projects at mining sites Examples of Site Reuse Activities Involving Alternative Energy Renewable energy projects are already in place at hardrock and coal mining sites
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— SE What kind of things can these sites be transformed into following mine closure AW One of the most common post mining land uses is for agricultural purposes such as grazing though mine sites can also be entirely repurposed This often occurs after or alongside other activities in the closure process and they are often reused for more
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