نتایج جستجو برای: artisanal small scale mining

تعداد نتایج: 1370081  

Journal: :Xinan Jiaotong Daxue Xuebao 2022

Mining is an economic activity that involves extracting, exploiting, and using minerals for commercial purposes. Globally, its growth has been steady in recent decades due to the demand various luxury items industrial projects. The main objective of this research was describe classification mining activities Ecuador name according their treatment capacity. To respond objective, a bibliographic ...

2014
Samuel Spiegel Susan Keane Steve Metcalf Marcello Veiga Annalee Yassi

Gibb and O’Leary (2014) provided a timely review of the health effects of mercury in artisanal and small-scale gold mining (ASGM), calling for immediate implementation of the recently signed Minamata Convention on Mercury. They noted that Article 7 of the Convention [United Nations Environment Programme (UNEP) 2013] requires national action plans that include a public health strategy on mercury...

Journal: :Resources Policy 2021

Artisanal and small-scale mining (ASM) is acknowledged to provide incomes tens of millions individuals around the world, yet systematic data on miners' earnings are lacking. We developed a sampling method survey tools suited for collection applied it stratified random sample 453 miners in largest town Congo's South Kivu province. Our research design allows us study how much artisanal gold earn,...

2016
Stefan Doering Stephan Bose-O’Reilly Ursula Berger

BACKGROUND The continuous exposure to inorganic mercury vapour in artisanal small-scale gold mining (ASGM) areas leads to chronic health problems. It is therefore essential to have a quick, but reliable risk assessing tool to diagnose chronic inorganic mercury intoxication. This study re-evaluates the state-of-the-art toolkit to diagnose chronic inorganic mercury intoxication by analysing data ...

The uncontrolled spread of illegal artisanal small-scale gold mining (ASM), popularly termed “galamsey” in Ghana, has, for decades, impacted adversely upon water bodies, soils, wildlife, human health, and safety. A lack of understanding, however, of the types of galamsey, their operational attributes, and their relative impacts has unfortunately hindered an effective policy response despite num...

Journal: :Journal of Sustainable Metallurgy 2021

Abstract Artisanal and small-scale gold mining (ASGM) utilizes mercury (Hg) for the extraction of (Au) is responsible largest anthropogenic source emissions releases Hg to environment. Previous estimates use in ASGM have varied widely. In this effort, losses were derived from difference between total Au production reported by conventional mining. On basis result, average ratio lost produced was...

Journal: :Resources Policy 2022

Artisanal and Small-scale Mining (ASM) is often implicated as a source of pollution to water systems. In this paper, we explore the management systems formalised small-scale mining operator in Ghana explicate how its operational activities organising routines contribute sustainable practice. Emphasizing bodies play out organising, our study highlights underpinning mechanisms shaping shift envir...

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