Results 51 to 60 of about 2,853,826 (347)

History, Socioeconomic Problems and Environmental Impacts of Gold Mining in the Andean Region of Ecuador

open access: yesInternational Journal of Environmental Research and Public Health, 2022
Mining in Ecuadorian territory comprises three stages of Ecuadorian history: pre-Columbian, colonial, and republican times. In its beginnings, this activity did not have regulations or a legal foundation.
Carlos Mestanza-Ramón   +5 more
semanticscholar   +1 more source

Research on the Efficient Recovery Technology of Gold Mineral in an Oxidized Ore [PDF]

open access: yesE3S Web of Conferences
In view of the characteristics of high content of gold minerals in limonite and great difficulty of flotation recovery, the research on process mineralogy and efficient recovery technology was carried out respectively.
Ji Qiang   +4 more
doaj   +1 more source

Impact of illegal gold mining in Jambi, Indonesia

open access: yesIndonesian Mining Journal, 2022
Illegal gold mining caused various environmental damages in the world. Indonesia is one of the countries with abundant mineral reserves, especially Jambi Province. Jambi has much of natural resources, such as coal and gold.
Y. G. Wibowo   +4 more
semanticscholar   +1 more source

What influences community positions towards nearby mining projects : eight cases from Brazil and Chile [PDF]

open access: yes, 2014
This thesis looks at the influences and dynamics of community positions towards nearby mining projects in Brazil and Chile from an affected communities perspective.
Maher, Rajiv
core   +7 more sources

Stability Analysis of Surrounding Rock of Large Section Ultradeep Shaft Wall

open access: yesAdvances in Materials Science and Engineering, 2021
In order to study the stability of deep surrounding rock during the excavation of new main shaft in Xincheng gold mine, a construction method suitable for large section ultradeep shaft is proposed.
Cheng Li   +3 more
doaj   +1 more source

Use of Metallic Mercury in Artisanal Gold Mining by Amalgamation: A Review of Temporal and Spatial Trends and Environmental Pollution

open access: yesMinerals
The introduction of mercury (Hg) into the environment by anthropogenic activities has resulted in negative implications for ecosystem functions and human health.
Augustine K. Donkor   +2 more
semanticscholar   +1 more source

“Illegal” Gold Mining Operations in Ghana: Implication for Climate-Smart Agriculture in Northwestern Ghana

open access: yesFrontiers in Sustainable Food Systems, 2021
Globally, climate-smart agriculture is highly recognized as an approach for sustainable agriculture and food systems. In Africa and other developing countries, climate-smart agriculture is observed to reposition and modify agricultural systems for ...
Gordon Yenglier Yiridomoh
semanticscholar   +1 more source

Research status of refractory treatment technology of carbon-bearing gold ores [PDF]

open access: yesE3S Web of Conferences
Carbon-bearing gold ore is one of the important refractory gold resources, which can not be effectively utilized by conventional treatment methods. In this paper, the main reasons for the difficult treatment of carbon-containing gold ore, the material ...
Zhang Xiaoguang   +3 more
doaj   +1 more source

Who owns the mud? Valuable leftovers, sociotechnical innovation and changing relations of production in artisanal gold mining (Burkina Faso)

open access: yesJournal of Agrarian Change, 2021
The expansion of artisanal gold mining has contributed to agrarian change in most of the global South — including West Africa: the sector offers interesting examples of technological and socio-economic change, reflecting broader dynamics in the political
Cristiano Lanzano   +1 more
semanticscholar   +1 more source

Investigating the Macro-Micromechanical Properties and Failure Law of Granite under Loading and Unloading Conditions

open access: yesAdvances in Civil Engineering, 2021
The excavation of rock significantly changes the initial stress state of rock slopes, which makes rock in complex loading and unloading conditions. However, the failure mechanisms and macro-micromechanical properties of rock under loading and unloading ...
Chao Peng   +4 more
doaj   +1 more source

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