Results 51 to 60 of about 1,767,928 (381)

Time-Series Assessment of Camp-Type Artisanal and Small-Scale Gold Mining Sectors with Large Influxes of Miners Using LANDSAT Imagery

open access: yesInternational Journal of Environmental Research and Public Health, 2021
Mining sites development have had a significant impact on local socioeconomic conditions, the environment, and sustainability. However, the transformation of camp-type artisanal and small-scale gold mining (ASGM) sites with large influxes of miners from ...
Satomi Kimijima   +3 more
semanticscholar   +1 more source

Beyond the artisanal mining site: migration, housing capital accumulation and indirect urbanization in East Africa [PDF]

open access: yes, 2017
During the past 30 years, Tanzania has experienced successive precious mineral rushes led by artisanal miners. Their settlement, livelihood and housing strategies have evolved amidst high mobility in pursuit of mineral wealth.
Bryceson, Deborah Faye   +1 more
core   +1 more source

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

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

Assessing the freshwater quality of a large-scale mining watershed : the need for integrated approaches [PDF]

open access: yes, 2019
Water quality assessments provide essential information for protecting aquatic habitats and stakeholders downstream of mining sites. Moreover, mining companies must comply with environmental quality standards and include public participation in water ...
Arroyo, Nilton Deza   +10 more
core   +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

Polluting our rivers in search of gold: how sustainable are reforms to stop informal miners from returning to mining sites in Ghana?

open access: yesFrontiers in Environmental Science, 2023
Introduction: Although artisanal gold mining has contributed to livelihoods in many rural communities across the world, it has destroyed and polluted several water bodies.
A. K. Mensah, F. Tuokuu
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

Monitoring and Analysis of Stress Distribution of the Interaction between Rock and Backfill and the Influence of Geometric Features of the Backfill Boundary

open access: yesAdvances in Civil Engineering, 2021
Backfill mining methods are widely used in metal mines. The boundary part of the backfill has a direct effect on the local stability in mining engineering. The distribution of stress on the boundary part of the backfill and surrounding rock had their own
Rong Lu   +5 more
doaj   +1 more source

Phytoextraction to promote sustainable development [PDF]

open access: yes, 2013
Mining makes a positive contribution to the economy of Indonesia. Significant earnings accrue through the export of tin, coal, copper, nickel and gold. Of these commodities, gold carries the highest unit value.
C.W.N. Anderson
core   +2 more sources

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