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Alluvial Gold Mining Technologies from Ancient Times to the Present

open access: yesMining, 2023
This article provides a comprehensive and chronological account of the technological advancements in alluvial gold mining. Gold has been a highly prized commodity throughout history and has played a significant role in humanity’s economic and cultural ...
Spyridon Mathioudakis   +3 more
semanticscholar   +1 more source

Amazon forests capture high levels of atmospheric mercury pollution from artisanal gold mining

open access: yesNature Communications, 2022
Mercury emissions from artisanal and small-scale gold mining throughout the Global South exceed coal combustion as the largest global source of mercury.
J. Gerson   +22 more
semanticscholar   +1 more source

Mercury and CO2 emissions from artisanal gold mining in Brazilian Amazon rainforest

open access: yesNature Sustainability, 2023
The Tapajós River basin in Brazil is one of the world’s regions most affected by artisanal gold mining (ASGM), which is responsible for the release of mercury and high energy consumption.
Benjamin Fritz   +4 more
semanticscholar   +1 more source

Numerical Simulation Research and Application of Support Design of Broken Rock Mass in Submarine Gold Mine

open access: yesAdvances in Civil Engineering, 2023
In order to solve the problem that the broken rock mass is easy to collapse and fall during the excavation of a submarine gold mine, two kinds of bolt-mesh-concreting combined support schemes are designed by means of field engineering geological ...
Yu-yun Fan   +6 more
doaj   +1 more source

Distribution of In Situ Stress in Northwest Jiaodong Peninsula

open access: yesAdvances in Civil Engineering, 2022
In order to study the present state of the tectonic stress field in northwest Jiaodong Peninsula, the characteristics of the ground stress distribution along depth were analyzed with the method of regression analysis.
Xingquan Liu   +6 more
doaj   +1 more source

Gold Mining in the Amazon Region of Ecuador: History and a Review of Its Socio-Environmental Impacts

open access: yesLand, 2022
Artisanal and small-scale gold mining (ASGM) and large-scale mining in the Ecuadorian Amazon region is potentially harmful to nature, and its impacts are associated with environmental degradation and deterioration of people’s health.
Carlos Mestanza-Ramón   +6 more
semanticscholar   +1 more source

Mercury Pollution from Artisanal and Small-Scale Gold Mining in Myanmar and Other Southeast Asian Countries

open access: yesInternational Journal of Environmental Research and Public Health, 2022
Mercury (Hg) is one of the most harmful metals and has been a public health concern according to the World Health Organization (WHO). Artisanal and small-scale gold mining (ASGM) is the world’s fastest-growing source of Hg and can release Hg into the ...
Pyae Sone Soe   +4 more
semanticscholar   +1 more source

Layout and Parameter Analysis of the Cooling System with Mine Water as Cold Source in Linglong Gold Mine

open access: yesGeofluids, 2023
As the heat hazard problem in the deep mine becomes more prominent, it is difficult to alleviate the high-temperature problem by increasing the air supply and adjusting the ventilation mode alone.
Chunlong Wang   +7 more
doaj   +1 more source

Recovery of Copper and Cyanide from Copper-cyanide Solution by Direct Electrolysis [PDF]

open access: yesE3S Web of Conferences, 2021
Using direct electrolysis method, the recovery of copper and cyanide from high concentration copper cyanide solution was researched. The distribution of copper cyanide species was calculated by stability constants and balance equation. The results showed
Gao Teng-Yue, Xu Chao, Qin Guang-Lin
doaj   +1 more source

Tropical surface gold mining: A review of ecological impacts and restoration strategies

open access: yesLand Degradation & Development, 2022
Surface gold mining severely degrades landscapes, causing deforestation, soil erosion and displacement, and toxic contamination. The prevalence of both large‐scale and artisanal, small‐scale surface gold mining in the tropics has risen over recent ...
Shrabya Timsina   +6 more
semanticscholar   +1 more source

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