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Nitrogen-cycling processes under long-term compound heavy metal(loids)pressure around a gold mine:Stimulation of nitrite reduction: 《Journal of Environmental Sciences》2025年第1期571-581,共11页Xuesong Hu Xiaoxia Liu Shuo Zhang Caihong Yu; supported by the National Natural Science Foundation of China(No.41977029).; Mining and tailings deposition can cause serious heavy metal(loids)pollution to the surrounding soil environment.Soil microorganisms adapt their metabolism to such conditions,driving alterations in soil function.This ...; 关键词：N cycle Nitrite reduction Nitrite reductase METAGENOME Key species

Novel stacking models based on SMOTE for the prediction of rockburst grades at four deep gold mines: 《Underground Space》2024年第6期169-188,共20页Peng Xiao Zida Liu Guoyan Zhao Pengzhi Pan; financial support from Postdoctoral Fellowship Program of China Postdoctoral Science Foundation(Grant No.GZC20232935);the National Natural Science Foundation of China(Grant No.52125903).; Rockburst is a frequently encountered hazard during the production of deep gold mines.Accurate prediction of rockburst is an important measure to prevent rockburst in gold mines.This study considers seven indicators t...; 关键词：Rockburst prediction Gold mine Stacking model SMOTE

Thickness of excavation damaged zone estimation using four novel hybrid ensemble learning models : A case study of Xiangxi Gold Mine and Fankou Lead-zinc Mine in China: 《Journal of Central South University》2024年第11期3965-3982,共18页LIU Lei-lei HONG Zhi-xian ZHAO Guo-yan LIANG Wei-zhang; Project(52204117)supported by the National Natural Science Foundation of China;Project(2022JJ40601)supported by the Natural Science Foundation of Hunan Province,China。; Underground excavation can lead to stress redistribution and result in an excavation damaged zone(EDZ),which is an important factor affecting the excavation stability and support design.Accurately estimating the thick...; 关键词：excavation damaged zone machine learning simulated annealing Bayesian optimization extreme gradient boosting random forest

Slope Stability Analysis: Case of the West Wall of the EMZ Pit at the Essakane Gold Mine in Burkina Faso (West Africa): 《Geomaterials》2023年第4期109-123,共15页Hamma Fabien Yonli Michée Banyua Lompo Nicolas Kagambega Pierre Sawadogo; Knowledge of the state of stability of mining pits is both a basic condition, an essential axis and a safety benchmark for mining operations. This stability is largely based on the knowledge of the rock mass shelterin...; 关键词：Stability CARTOGRAPHY DISCONTINUITIES Safety Factor Essakane

Assessment of Soil Contamination and Human Health Risk around an Industrial Gold Mine in Côte d’Ivoire: The Case of Arsenic: 《Open Journal of Soil Science》2023年第7期329-339,共11页Kagbagnan Kone Adjoumani Rodrigue Kouakou; The Tongon mine generates millions of tons of waste rock and tailings, which are stored in landfills in the vicinity of the mine. These tailings contain arsenic. The risk of soil contamination in this area is evident....; 关键词：Industrial Mine Tongon POLLUTION ARSENIC Soil

Survival of Seedlings of Native Woody Species in the Rehabilitation of Gold Mined-Site within a Three Years Old Acacia mangium Willd Plantation of St. Elizabeth-Mahdia, Guyana: 《Journal of Environmental Science and Engineering(B)》2023年第3期133-145,共13页Susy Lewis Lawrence Lewis Ryan Dey; Active restoration is a critical component of biodiversity conservation for degraded tropical forest ecosystems caused by artisanal gold mining, and the success of restoration is dependent on native species selection....; 关键词：Artisanal gold mining native species survival Acacia mangium diameter growth rate.

Human Health Risks from Exposure to Heavy Metals of Suspended Particulate Matter around the Tongon Gold Mine, Côte d’Ivoire: 《Journal of Agricultural Chemistry and Environment》2023年第2期171-187,共17页Kagbagnan Kone Adjoumani Rodrigue Kouakou Julien Bahino Horo Kone Kouakou Eric Adou Ehouman Ahissan Donatien Kopoin Adouby; The Tongon mine, the largest gold mine in C?te d’Ivoire, has been in operation since April 2010. However, to our knowledge to date, no study has been conducted on metallic contamination in suspended particulate matte...; 关键词：Particulate Matters (PM₁₀ and PM_2.5) West Africa Tongon Heavy Metals INHALATION Carcinogenic Risk Metallic Contamination

Legacy Gold Mine Sites & Dumps in the Witwatersrand: Challenges and Required Action: 《Natural Resources》2023年第5期65-77,共13页Sunday Mishack Mabaso; Legacy mine shafts and waste dumps in the Witwatersrand continue to create social and environmental challenges for communities, even in areas where gold mining ceased over 100 years ago. The slow pace of eradication o...; 关键词：Mine Waste Dumps COMMUNITIES Pollution CHALLENGES

Geochemical and mineralogical characteristics of some gold mine tailings in the Eastern Desert of Egypt: 《Frontiers of Earth Science》2022年第4期906-915,共10页Mostafa REDWAN; The adverse environmental effects of mine tailings disposal on the surrounding ecosystems are world-wide environmental problems.Due to environmental issues related to tailings discharged on land surface,detailed taili...; 关键词：gold mine TAILINGS GEOCHEMISTRY MINERALOGY EGYPT

Utilization of Low-Alkalinity Cementitious Materials in Cemented Paste Backfill of Gold Mine Tailings: 《Journal of Renewable Materials》2022年第12期3439-3458,共20页Jiamao Li Chuimin Zhang Lin Li Chuangang Fan Zhaofang He Yuandi Qian; The current work was financially supported by the Key Research and Development Program of Anhui Province(202004a07020039).; The purpose of this paper was to explore the possility of using low alkalinity cementitious materials as binders,in which ground blast furnace slag and fly ash acted as a partial replacement of ordinary Portland cemen...; 关键词：Cemented paste backill blast furnace slag fly ash engineering properties waste utilization

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