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geological hazard of gold mining

Mining Free Full-Text Environmental Impacts of Gold Mining

2023.3.25  Gold mining has serious negative environmental impacts, especially due to pollution emanating from tailings storage facilities (TSFs, tailings dams, slimes dams).

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Environmental impact of artisanal and small-scale gold mining

2023.9.1  Four categories of mining-induced hazards have been considered: water and stream sediments, soil and mine tailings, health, society, and economy, and land

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Potential implications of gold-mining activities on

2020.6.1  Human activities including gold mining causes extensive damages to natural landscape, contaminates water and contributes to the destruction of ecosystems

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Mining-induced geo-hazards with environmental protection

2014.4.24  The objectives of this study are: (1) to investigate the distribution of mineral resources and mining areas in Yunnan Province; (2) to discuss potential mining-induced

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(PDF) Impact of Gold Mining on the Environment

2002.6.1  The study of gold sites in the Migori Gold Belt, Kenya, revealed that the concentrations of heavy metals, mainly Hg, Pb and As are above acceptable levels. Tailings at the panning sites...

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Heavy Metal Pollution from Gold Mines: Environmental

2016.10.26  1. Introduction Increased urbanization and industrialization have led to large amounts of toxic contaminants being released into the environment worldwide.

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A new hazard assessment workflow to assess soil ... - Springer

2023.4.18  Gold mining activities can result in environmental issues, including environmental pollution and hazard to human and ecosystem health, which if not

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Ecological and human health risks associated with abandoned gold

2017.2.21  Gold mining is a major source of metal and metalloid emissions into the environment. Studies were carried out in Krugersdorp, South Africa, to evaluate the

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Mercury and CO2 emissions from artisanal gold mining in

2023.11.6  The carbon footprint expressed in kg carbon dioxide equivalent per kilogram fine gold (kg CO 2 eq kg −1 Au) of each type of mining in ascending order is:

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A new hazard assessment workflow to assess soil ... - Springer

2023.4.18  Gold mining activities are undertaken both at large and artisanal scale, often resulting in serious ‘collateral’ environmental issues, including environmental pollution and hazard to human and ecosystem health. Furthermore, some of these activities are poorly regulated, which can produce long-lasting damage to the environment and local

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Hazardous minerals mining: Challenges and solutions

2021.1.15  Aqueous methods divided into Placer (Panning, Sluicing, Hydraulic Mining, and Dredging) and solution methods (In-situ leaching (ISL) and Heap Leaching). Among them, solution mining and placer mining are renowned as the best methods; however, it is limited to specific types of mineral deposits (Harraz, 2010 ). 3.2.

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Natural radioactivity measurement and radiological hazard

2020.10.10  Measurement of natural radioactivity in surface soils in a gold mining area and surrounding regions in Bolikhamxay province, Laos has been conducted using an HPGe detector. Soil samples were collected at 65 locations distributed widely in Bolikhamxay province, including 25 samples in the gold mining area in Khamkheut district. The

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(PDF) A new hazard assessment workflow to assess soil

2023.4.18  Thailand In soils nearby small-scale gold mining, Phichit Province 0.038–10. 56 Pataranawat et al., 2007 America Venezuela Soils from the Cuyuni river basin, near ASGM 0.02–0.40 Santos ...

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Geologic hazards of the Ocoña river valley, Peru and the influence

2021.5.19  Over the last ~ 15 years, however, the population has swelled dramatically as small gold mining operations have developed (Malone et al., 2021). Because of the geography of the valley, these new residents often live in areas that are vulnerable to geologic hazards (Fig. 5). Furthermore, mine infrastructure and waste materials can

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Environmental Impact of Artisanal Gold Mining in Luku,

2020.5.30  The evaluation of environmental impact of artisanal gold mining was carried out in Luku, Minna, North Central Nigeria, to evaluate environmental hazards associated with artisanal gold mining through field work and Laboratory analyses. During the field work, observations of the whole mining site were made so as to evaluate the

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(PDF) Environmental Impacts of Gold Mining—With

2023.3.25  Gold mining in the Witwatersrand started in 1886 and in the other two areas mainly after W orld War II thanks to improved deep mining technologies. Mining is a huge producer of waste, for example ...

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Comprehensive Evaluation of the Eco-Geological

2022.6.2  Only geological hazards caused by mining were counted in this research, which included 37 landslides, 3 landslides, 4 debris flows, and 12 ground collapses. The direct economic losses caused by mining-induced geological disasters in 2015 totaled 45,315,000 yuan, according to the results of a statistical survey, which included the

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IJGI Free Full-Text Geological Hazard Assessment of

2023.7.28  In the past few years, with the continuous development of cities and the increasing number of human activities, the disruption of ecological environments has led to the increasing frequency of geological related hazards, and the economic losses caused by hazards are also increasing [1,2].As the world’s second largest economy, China’s

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Gold mining comes with risks and rewards. But those aren't

2022.5.4  The principal risks are environmental. These include acid mine drainage, cyanide spills and the failure of tailings storage dams. Mining involves a lot of earth moving – no surprise. The snag is that the same geological processes that produce valuable metals such as gold also tend to produce sulfide minerals – compounds of sulfur and minerals.

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New digital geologic maps encompass gold/silver

2020.4.11  Arizona’s Gold-Silver Mining District. The Union Pass and Secret Pass quadrangles are proximal to the Oatman Mineral District and the Union Pass Mineral District. ... Geologic hazards. Flash floods are

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Groundwater environmental risk assessment of

2020.7.23  At the same time, the geological environment in mine areas also has a corresponding evolution cycle (Dai et al. 2017) (Fig. 1). The factor analysis before mining is the background values of the

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Evolution of Water Hazard Control Technology in China’s

2021.1.5  China is home to the most complicated geological conditions for coal mining in the world. As such, China’s coal mine water hazard types are based on: (1) the various geological and hydrogeological structures associated with coal seams throughout time and space; (2) the spatial relationship between major water-filling sources and the mining

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Risk Assessment Methods in Mining Industry—A Systematic

2020.7.28  Recently, there has been a growing interest in the mining industry in issues related to risk assessment and management, which is confirmed by a significant number of publications and reports devoted to these problems. However, theoretical and application studies have indicated that risk in mining should be analyzed not only in the human factor

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Evaluation on geological environment carrying capacity of mining

2021.10.1  Generally, mining is considered a significant driver of ecological deterioration(He et al., 2017). some studies of eco-geo-environment assessment have revealed that mining intensity or mining geological hazard is main major factors limiting the geo-ecological environment(He et al., 2017, Zhi et al., 2019). Based on above results, we

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A comprehensive geomechanical method for the assessment

2020.5.1  Rockburst hazard in mining industry all over the world is one of the most severe hazards. It is becoming increasingly common because of the ever-growing depths of mining operations accompanied by the increasing strength of rocks. ... In South African gold mines, mining-induced seismicity and its hazardous manifestation i.e. rockbursts were ...

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A new model of geo-environmental impact assessment of mining

2011.8.17  A new evaluation model for geo-environmental impact assessment of mining (GEIAM) is proposed. The evaluation framework in this model considers three groups of criteria, namely, geo-hazards risks, environmental risks, and resource damages. Fuzzy-analytic hierarchy process (AHP) was used to establish a multiple-criteria evaluation

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(PDF) Impacts of Mining on Geomorphic Systems

2013.3.1  It is of interest to geomorphologists because of the unique types of excavated and accumulated landforms and landscapes that are vulnerable to geomorphic hazards. Mining landscapes covered more ...

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(PDF) Hazards identified and the need for health risk

2015.11.30  The Kenyan Mining Policy 2016, new Kenyan Mining Act 2016 and Petroleum Act 2019 suggest various ways through which players in the mining industry (especially mining corporations) can develop ...

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(PDF) Seismic Hazard Assessment at Junction Gold Mine

2002.7.29  Mining-induced seismicity at Junction Gold Mine became a serious operational problem in the late 1990’s. Assessing the local seismic hazard is an important step in assessing the risk associated ...

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