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Heavy metals contamination of post-mining mounds of former iron-ore mining activity: Authors: Podgórska, M. ... we collected 15 soil samples from PMM and, for comparison, 15 from the surroundings - all these samples (30) were collected from a depth of 5–30 cm by soil auger. ... within PMM, overburden is much more contaminated by HM than ...
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> Co > Cd; (2) PMM are more contaminated by heavy metals than their surroundings; (3) within PMM, overburden is much more contaminated by HM than paleosols; (4) the rate of penetration of HM into ...
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Thus, vetiver grass can be successfully Verma et al. (2017) Impact of plantation on iron ore mined overburden at Durg in Chhattisgarh, India Banerjee et al. (2016) Vetiver grass: An environment ...
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Mining activities in Jajang iron and manganese ore mines located in Keonjhar district of Odisha, India starting from mineral explorations to production and transport are causing environmental damage in many ways, which includes deforestation, loss of topsoil, accelerated soil erosion, migration of wildlife and avifauna, and addition …
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The field capacity under T3 (20-cm iron tailings layer below cinnamon soil (b)) was 19.20% higher than that under T7 (20-cm red clay layer below cinnamon soil (b)), and the field capacity under T5 ...
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The ore-to-overburden ratio for surface mining is generally around 1:5 to 1:2 depending on local situations (Feng et al., 2021, Yellishetty et al., 2008).In 2008 and 2009, about 75 % of overburden materials and 25 % of tailings were generated as solid residues in Minas Gerais, Brazil (Schatzmayr Welp Sá et al., 2022).However, to the best of the …
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In this connection, the application of waste coconut shells (CS) as the reductant in the reduction roasting-magnetic separation of an iron ore overburden sample is explored.
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Former iron-ore mining led to positive soil transformations of forest habitats increasing the fertility of soils. These changes also had an impact on transformations in plant cover. View full-text
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Impact of plantation on iron ore mined overburden at Durg in Chhattisgarh, India: Banerjee et al. (2016) Vetiver grass: An environment cleanup tool for heavy metal contaminated iron ore mine soil: Roongtanakiat et al. (2008) Effects of soil amendment on growth and heavy metals content in vetiver grown on iron ore tailings:
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Overburden soil is removed above the coal seams before extracting the ore. Dragline excavator. Overburdens Management. Overburden management has a major impact on surface mining planning. Since overburden excavation starts immediately when mining operations commence, handling procedures need to be well planned for the removal and …
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Vetiver Grass Environmental Model for Rehabilitation of Iron Overburden Soil: An Ecosystem Service Approach. Mine tailings expose the earth crust to …
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Current concepts of soil transformation and contamination in iron ore mining areas have been reviewed. Changes of soils and ecosystems in the mining areas are among the largest-scale impacts of economic activity on the nature. Regularities in the radial differentiation, spatial distribution, and accumulation of heavy metals in soils of …
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from Iron Ore Mines Overburden Soil Poonam Verma1, ... contaminated with Fe and Cu. Heavy metal concentration decreased with increase in the age of overburden (Table 1). In natural soil Ni, Pd, Zn ...
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The different parameters studied provide a comprehensive understanding of the potential of vetiver grass as an alternative mean to vegetate metal-contaminated soil. The physico-chemical parameters and heavy metal content in iron ore mine-soil demonstrated that the concentration of Fe was highest, followed by Al, Cu, Zn, Cr, Mn …
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Open pit mining method is one of the surface mining methods that has a traditional cone-shaped excavation and is usually employed to exploit a near-surface, nonselective and low-grade zones deposits. It often results in high productivity and requires large capital investments, low operating costs, and good safety conditions. The main …
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The soil contamination assessment and investigation of soil quality have to be still regulated worldwide. This study has reviewed and presented a set of maps with …
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Mine tailings expose the earth crust to environmental contamination necessitating to fix the metal and metalloid contaminants in the over burden soil, and …
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The main objectives of this paper are to present the impact of former iron ore mining on the transformation of the soil cover and to demonstrate how these …
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Improper disposal of overburden (OB) and tailings causes severe soil and water pollution. Therefore present study was carried out on overburden, their leaching levels and their effect on nearby water environment at Chiria mines of West Singhbhum district of Jharkhand, India. Studies revealed that the OB samples were neutral to marginally …
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The land left post-mining is degraded and is a possible cause of water contamination [2]. The mine overburden (OB) leaches heavy metals (HMs) into the nearby waterbodies and soil. ... Preparation and application of soil conditioner using iron ore tailings-biochar composite material. Alexandria Engineering Journal, Volume 94, …
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Soil remediation using conventional physical and chemical engineering techniques involves soil washing, incineration, solidification, vapor extraction, thermal …
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Soils contaminated with heavy metals may pose very dangerous effects to human health and the environment. Contaminants impairing the soils from iron ore-mining ac-
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Waste piles are formed by the deposition of overburden from the excavations, which can form tall piles ... Rehabilitation of iron ore mine soil contaminated with heavy metals using rosemary phytoremediation-assisted mycorrhizal arbuscular fungi bioaugmentation and fibrous clay mineral immobilization. Iran J Sci Technol Trans A Sci …
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Soil samples were taken in the zone of the iron ore deposit, in the zones of overburden and gold mining waste dumps influence, and in the rock blasting site. A total of 64 sample plots were laid. Soil samples were sampled incrementally by an envelope method from a depth of 0.00–0.03 m. ... Chemical contamination of soil was assessed by a ...
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Goan (India) iron ore has a relatively high overburden to ore ratio (of an average of about 2.5 to 3:1) and thus generates a large quantity of waste material. Since the size of mining leases are small, mining companies often acquire land outside their lease area to dump waste material.(ISID, 2012) Lands being in short supply, waste dumps are ...
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The overburden (OB) and tailings from iron ore mines located in the state of Jharkhand, in India revealed that the OB samples showed high concentration of Fe along with Mn, Pb and Zn as a typical ...
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Soil pollution and heavy metals (HMs) contamination caused by the improper management of mine soil is a major concern for the environment and the associated living beings. The present study was carried out for 90 days with iron mine soil (MS) amendment with different ratios of garden soil (GS) (0, 25, 50, 75 and ).
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Heavy Metal Biosorption by Fusarium strains Isolated from Iron Ore Mines Overburden Soil
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The environmental problems associated with the iron ore mining are diverse. The removal of vegetation, top soil, overburden/waste and ore, brings about the inevitable natural consequences, which manifest in many ways, deforestation, climatic change, erosion, air and water pollution and health hazards.
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In this research, a contaminated soil from the mining district of Linares was studied for its use as a raw material for the conforming of ceramic materials, bricks, dedicated to construction. Firstly, the contaminated soil was chemically and physically characterized in order to evaluate its suitability.
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