Distribution and transport of contaminants in soil through …
Mining activities can cause various environmental issues, many of which are localized to individual mine sites. Mining affects every ecosystem component, and …
Sludge amendment accelerating reclamation process of reconstructed
We constructed a mining soil restoration system combining plant, complex substrate and microbe. Sludge was added to reconstructed mine substrates (RMS) to accelerate the reclamation process. The ...
Stabilization of Heavy Metals in Mining Site Soil with
Corn cob silica (CCS), produced via a modification of the sol-gel method, can reduce heavy metal availability and stabilize contaminated soil on abandoned mining sites. Adding 5 % (w/w) CCS to mining site soil increased pH from 4.0 to 7.7, and cation exchange capacity increased from 94.5 to 100.3 cmol+/kg. Sequential extraction showed …
Distribution and transport of contaminants in soil through mining …
Because mining, dumping, and tailings can generate waste and radioactive consequences, society must develop methods for successfully treating mining waste from mine dumps, … Distribution and transport of contaminants in soil through mining processes and its environmental impact and health hazard assessment: A review of the …
Effects of Underground Coal Mining on Soil Spatial Water …
The impact of coal mining subsidence on surface ecology involves the influence of several ecological elements such as water, soil, and vegetation, which is systematic and complex. Given the unclear understanding of the synergistic change patterns of the water–soil–vegetation ecological elements in the influence of coal mining in the west, …
The Role of Soil Sampling in Mineral Exploration — Rangefront Mining
What is Soil Sampling? Soil sampling in mineral exploration is the process of taking soil samples from an area to determine the soil's mineral makeup. In the mining industry, these soil samples are used to help determine whether there are sufficient concentrations of locatable minerals to justify continuing exploration.
Mining soil databases for landscape‐scale patterns in the abundance …
We explored the utility of soil survey databases for data mining, with the goals of identifying landscape-scale patterns in the abundance and size distribution of rock fragments (diameter D > 2 mm) and potential controls on grain size production. We focus on data from three regions: the Hawaiian Islands, and the Sierra Nevada and Cascade ...
Phytoremediation of Mining Areas: An Overview of …
Therefore, taking into account the characteristics of mine areas, in particular size and level of contamination, phytostabilization seems the most preferable technique, …
The Environmental Impacts of Mining: Deforestation, Soil …
The mining industry's operations contribute to deforestation, soil erosion, air and water pollution, water scarcity, and waste generation and disposal. This article …
Review on heavy metal pollution and remediation technology in the soil
The mining process produces a large amount of toxic and harmful heavy metals into the soil, which causes severe soil heavy metal pollution due to mining activities. At present, finding suitable methods to remediate heavy metal contaminated soils in mining areas is a hot issue and complex research area in environmental science. …
Subsoil and Surface Soil Constraints of Mined Land and …
Mining causes extreme forms of soil degradation and creates new surfaces and topography. The new landforms have increased average slopes with implications for increased run-off and erosion, while mine pits and tailing dams may alter groundwater …
Mobility of Heavy Metals in Plants and Soil: A Case Study From A Mining
Understanding the dynamic of metals in soil and plantsis essential for ecosystem management and risks assessment of environmental pollution and sustainability.The main objective of the present study is to determine the mobility of Ni, Cu, Fe, Mg and Zn in soil and their translocation in D. cespitosa plants in a mining region in Northern Ontario.The …
Health Risk Assessment of Post-mining Hg-As-Contaminated Soil …
Due to high mercury and arsenic toxicity, post-mining Hg-As-contaminated sites can cause varied and complex environmental and health problems. The aim of the study was to demonstrate the significance of the health risk assessment tool for remediation of post-mining soil contaminated with Hg and As. The aim was achieved via (1) …
(PDF) Improvement of post-nickel mining soil …
applying biochar and calcite to post nickel mining soil significantly increased. soil pH, available P, organic C, cation exchange capacity, growth of Mucuna. sp. and decreased exchangeable Al ...
Phytoremediation strategies for heavy metal-contaminated soil …
In this study, paired soil and wild plant samples collected from a mining area were investigated with the following aims: (1) to assess the soil pollution levels and potential ecological risk; (2) to compare the bioaccumulation ability of different plants; and (3) to investigate the phytoremediation ability and growth characteristics of native ...
Impact on soil physical qualities by the subsidence of coal mining…
Design of the distribution for soil sampling. The land zone above the coal mine working face (No. 52303) for soil sampling was chosen. Details of coal mine working face (No. 52303) can be seen in Table 1.To minimize the impact by land topography and geomorphology, the site with a uniform slope of about 0.30–0.35, and the similar surface …
The Environmental Problems Caused by Mining | Earth.Org
Greenhouse Gas Emissions from Mining. It is also important to consider the impact of land use change in the context of greenhouse gas emissions. The destruction …
Rehabilitation of Soils in Mining and Raw Material
Abstract. Coal, salt and ore mining areas and areas where other raw materials are extracted, such as quarries, pits of unconsolidated rock and harvested …
Subsoil and Surface Soil Constraints of Mined Land and …
Mining causes extreme forms of soil degradation and creates new surfaces and topography. The new landforms have increased average slopes with implications for increased run-off and erosion, while mine pits and tailing dams may alter groundwater as well as surface water. Soil biota is removed or otherwise hampered, and in addition, …
Soil and Sand Mining: Causes, Consequences and …
The results showed that the physical characteristics of the soil on ex-Mn mining land from 5 villages in TTU, NTT are dominated by sand texture which results in low water content (3.39 - 9.46 % ...
Spatioemporal dynamics and driving forces of soil organic …
The Shendong mining area (38°52′N − 39°41′N, 109°51′E − 110°46′E) is located in the overlapping zone between Ordos in Inner Mongolia and the northern part of Shaanxi (Fig. 1 a).It covers an area of 3437.7 km 2 and is situated on the eastern edge of the Loess Plateau and the transitional zone of the Mu Us Desert. The elevation ranges …
The leaching behavior of heavy metal from contaminated mining soil…
The contaminated mining soil sample and the farmland soil sample were collected in Yaoposhan polymetallic mining area (24°52′47″, 113°07′50″) and the downstream village Xuya (24°51′47″, 113°08′15″), respectively. Due to the high variability of filed soils, multiple subsamples (>5) were collected in each sampling site and ...
Mine site rehabilitation & remediation | Rehabilitation in mining
There are two main approaches to dealing with abandoned mines: mine remediation and mine rehabilitation. Mine remediation is the process of making a site safe for human habitation or use. This typically involves removing hazardous materials, stabilising structures, and capping mine shafts. Mine rehabilitation, on the other hand, is the …
Occurrence, sources and risk of heavy metals in soil from a …
Antimony mining activities can result in serious contamination of soil by heavy metals, which represents a risk to human health. In this study, the contamination and sources of 14 heavy metals, and their risks to both ecosystem and public health from these metals at an antimony mining site in Guizhou Province in China were explored. The …
Nutrient Mining: Addressing the Challenges to Soil …
The decline in soil K without added K (Table 14.7) highlights the risk of rapid short-term mining of soil K with the farmer's current practice of using relatively high rates of N and P with little or no use of K. Long-term cropping with negative K balances has been associated with yield declines in the rice–wheat system in South Asia ...
The restoration and rehabilitation of Iand and Soils after …
The basic mining methods used should create prerequisites for selective excavation and deposition of valuable overburden layers. Hydraulic methods of extraction do not allow …
The restoration and rehabilitation of Iand and Soils …
Mining changes the geological structure, relief, water relations, local climate, landscape and disturbs the soil and destroys vegetation as well. Direct disturbance occurs relatively quickly; however, the zone of influence outside the direct mining area is also considerable. Direct degradation occurs on old mine workings, on overburden
Impact of the Coal Mining on the Spatial Distribution of
Compared to the background value, the soil in coal mine area had elevated concentrations of Cd, Cr, Ni and Zn. The maximum concentrations of Ni, Zn, Cd, and Pb were 62.08, 124.85, 0.7 and 57.34 mg ...
Occurrence and Distribution of Heavy Metals in Mining Degraded Soil …
Mining activities have serious environmental impacts, thus releasing heavy metals (HMs) such as cadmium (Cd), lead (Pb), chromium (Cr), zinc (Zn) and nickel (Ni) into the surrounding environment. The current paper investigated the impacts of mining activities of Pb-Zn sulfide on soil and medicinal plants. Hence, soil samples (n = 36) …
Spatial Distribution Characteristics of Heavy Metals in Surface Soil …
Soil is the basic material of human production and the origin of cultural civilization [1,2].The development of soil is affected by the climate and meteorology [], the soil parent material [], the topography and landscape, vegetation coverage, human activities, etc.In the background of modern mechanized mass production, the large-scale …