abstract about gold minig in south africa

The crisis in South African gold mining - ScienceDirect
1995.5.1 1. INTRODUCTION Gold mining has long been the backbone of South Africa's economy and mainstay of the migrant labor system.' Rising costs, falling ore.
consulter en ligne
Towards a sustainable artisanal gold mining sector in South Africa ...
2023.1.1 This paper explores how, in response to the retrenchment of mine workers from South African mines and the ensuing high unemployment in the country and sub
consulter en ligne
A History of Gold Mining in South Africa, Ghana and Tanzania
2017.11.1 Abstract. In this chapter Elbra provides an overview of the gold mining industry in Ghana, South Africa and Tanzania. The chapter begins with an overview of
consulter en ligne
(PDF) Indigenous Gold Mining in Southern Africa:
2000.12.1 Abstract. The history of gold mining and gold trade in southern Africa goes back nearly 1000 years. Given the number of early
consulter en ligne
Conclusion SpringerLink
2021.3.20 Gold production peaked on the continent when South Africa was producing over 1007 tonnes of gold in 1970. 1 In the fifty years that have elapsed, South Africa with
consulter en ligne
Towards a sustainable artisanal gold mining sector in South Africa ...
2023.1.1 Data were collected in and around the Witwatersrand area of South Africa, where the many abandoned and operating mines in the region are affected by Zama
consulter en ligne
Introduction to South African Deep-Level Gold and Platinum Mining ...
2022.8.13 Abstract. This chapter provides an overview of deep-level gold and platinum mining in South Africa, highlighting the status quo of the industry and some of
consulter en ligne
Trends in productivity in the South African gold
Figure 4 shows the average recovered gold grade for South African mines from 2004 to 2013. The steady decline in gold grades is evident in Figure 4. The graph shows a decrease from 5.15 g/t in 2005 to 2.91 g/t in 2013.
consulter en ligne
Migrant Workers, Artisanal Gold Mining, and “More-Than
Abstract This chapter focuses on undocumented migrants who travel to South Africa in search of better lives and work in the abandoned gold mines and tailings ponds of
consulter en ligne
Introduction to South African Deep-Level Gold and Platinum
2022.8.13 The discovery of gold on the Witwatersrand in South Africa occurred between 1884 and 1886 with George Harrison’s 1886 discovery on the farm Langlaagte considered as the most significant. The first large mining company, the Witwatersrand Gold Mining Company, was established in the same year [ 1 ]. The discovery of gold has
consulter en ligne
Mining, housing and welfare in South Africa and Zambia: an historical ...
2012.10.17 By contrast, very little attention in the literature has been paid to the decline of gold mining in South Africa. In view of the Zambian precedent for urban resilience, it would be unwise to overlook the continuing influence of South African mining on urban settlement in spite of the industry's gradual decline over the last four decades.
consulter en ligne
The dangers of growing on gold: Lessons for mine
2016.1.5 In early 2017, Eskom — South Africa’s state-owned electricity utility — announced the imminent closure of five of its coal-fired power stations.1 The announcement sparked a strong reaction ...
consulter en ligne
(PDF) Examining Environmental Impact Assessments and
2017.2.27 This is in contrast to participation in mining development in South Africa even during democracy it continues to be conducted as trivial by mining companies and government (Baumann, 2004; Leonard ...
consulter en ligne
(PDF) Pre-colonial mining in southern Africa - ResearchGate
2000.1.1 Abstract. This paper summarizes indigenous mining methods used to collect metal ores in pre-colonial southern Africa, south of 15°S. These methods, for the purposes of discussion, are divided ...
consulter en ligne
Minerals Free Full-Text Gold Mine Tailings: A Potential Source
2020.5.16 Mining of minerals such as gold, copper, and platinum has been one of several activities sustaining the economy of South Africa. However, the mining sector has contributed significantly to environmental contamination through the improper disposal of mine tailings which covers vast areas of land. Therefore, this study utilised a vitrification
consulter en ligne
(PDF) Challenges and prospects of small scale mining
2016.3.7 There are major challenges ahead for small-scale mining in South Africa. With the advent of With the advent of the new Minerals and Petroleum Resources Deve lopment Act in 2002, many previously
consulter en ligne
‘Illegal’ gold mining and the everyday in post-apartheid South Africa ...
2022.3.8 ABSTRACT. This paper examines unregulated gold-mining activities prevalent at disused mines and decommissioned shafts at operating mines in post-apartheid South Africa. This kind of mining is deemed illegal by the government since it is outside the parameters of the country’s main mining legislation.
consulter en ligne
(PDF) A systematic review of artisanal and small-scale
2022.9.19 In Sutherland goldﬁeld in South Africa, ASGM operators dig and collect gold- bearing ﬁne sediments and dig sealed shaft collars and below high structure that
consulter en ligne
The plight of mining cities in South Africa: Planning for
2022.11.1 The mining sector's share in South Africa's economy has declined over the past 30 years, as has employment on the gold mines. Yet many new mining areas have developed. Mining growth has been driven primarily by platinum and coal, with iron ore and other metals contributing. Of South Africa's 39 ‘small’ or ‘secondary’ cities, 19 have or ...
consulter en ligne
Artisanal mining and its drivers in the South African context
2023.9.1 The Gauteng province is the region most affected by Zama Zama gold mining in South Africa (South African Human Rights Commission (SAHRC) 2015: 34). The Gauteng province, therefore, served as the locus of the artisanal mining sites where data was collected through conducting in-depth interviews with the miners at four different
consulter en ligne
Environmental Impacts of Gold Mining With Special
2023.12.30 Mining 2023, 3 207 Conﬁning the impacts of gold mining to the smallest possible areas is very important within the South African context. Ref. [12] pointed out that the Witwatersrand goldﬁeld
consulter en ligne
Environmental Impacts of Gold Mining—With Special Reference to South Africa
2023.3.25 Gold mining has serious negative environmental impacts, especially due to pollution emanating from tailings storage facilities (TSFs, tailings dams, slimes dams). The most important forms of pollution from TSFs are acid mine drainage (AMD) and high levels of potentially toxic elements (PTEs). AMD arises from the high levels of pyrite in the
consulter en ligne
Small-Scale Mining in Africa: Tackling Pressing
2002.1.28 lier thriving continental gold mining industries, copper metallurgy practices, and weaponry crafted from metallic minerals (Yachir, 1988). Toward the end of the 19th century, gold rushes began in South Africa and along the Gold Coast, mass copper mining commenced in south-eastern Africa, and diamond extraction occurred throughout the conti-
consulter en ligne
(PDF) ASSESSING THE FACTORS INFLUENCING ILLEGAL
2020.11.1 Ghana is the second largest producer of gold after South Africa [3]. ... An estimated 2,488 metric tons (80 million ounces) of gold were produced between the first documentation of gold mining in ...
consulter en ligne
Minerals Free Full-Text Downdip Development of the Ni-Cu-PGE ... - MDPI
The about 2055-Ma-old mafic to ultramafic Uitkomst Complex in the Mpumalanga Province of South Africa hosts the low-grade-large-tonnage Ni-Cu-PGE deposit, Nkomati. The complex is regarded to represent a satellite to the Bushveld Complex and a feeder to an eroded magmatic reservoir in the southeast. Aeromagnetic surveys and previous drilling
consulter en ligne
Introduction to Mining in Africa SpringerLink
2019.11.23 The mineral wealth of African states is one of the reasons as to why colonization escalated in the nineteenth and twentieth century. The diamond rush in Southern Africa for instance, was the basis for the prolongation of European rule in Africa . In 1869 an 83.5-carat rough diamond was discovered by a Griqua herdsman in
consulter en ligne
Mitigation of greenhouse gases released from mining activities
2021.1.30 Climate changes that occur as a result of global warming caused by increasing amounts of greenhouse gases (GHGs) released into the atmosphere are an alarming issue. Controlling greenhouse gas emissions is critically important for the current and future status of mining activities. The mining industry is one of the significant
consulter en ligne
Mining, housing and welfare in South Africa and Zambia: An historical ...
2012.10.1 Abstract. This contribution seeks to place the relationship between mining, housing and welfare in historical perspective in two Southern African countries with long histories of mining activity ...
consulter en ligne
(PDF) The physical and environmental impacts of
2016.8.10 Environmental impacts identified in sand mining areas include landform instability caused by the loss of riverside vegetation (Asabonga et al., 2017), as is also the case in the Saddang River ...
consulter en ligne
(PDF) Education, training and professional
2018.9.18 Engine ering Cou ncil of South Africa (ECSA) has to da te repo rted o n 19 08 4 develop mental activi ties. It is important to note that attainment of gove rnment/MCSA competency certificates for mine
consulter en ligne
Top legal issues for the South African mining sector in 2021
2021.1.7 For the mining sector – key issues for 2021 will be on adopting lessons from the successful response to the pandemic to other aspects of risk management within their businesses; continuing to build a culture of sustainability and managing the risks of environmental pollution. Read more about mining in South Africa.
consulter en ligne
(PDF) GOLD MINING AND ECONOMIC PERFORMANCE IN AFRICA
2019.1.1 Abstract and Figures. Based on the statistical analysis of 920 observations covering forty-six countries during the 1997 to 2016 period, this study investigates the impact of goldmining on the ...
consulter en ligne
The environmental impact of gold mine tailings footprints in
Gold mining in South Africa resulted in vast volumes of tailings, which have been deposited in impoundments. Poor management of most of the tailings dams resulted in the escape of seepage, adversely affecting soils and water quality. Some tailings dams have been partially or completely reclaimed leaving contaminated footprints. These zones pose a serious
consulter en ligne
(PDF) Harmful mining activities, environmental impacts and effects
2017.12.5 Some of these damages in sub-Saharan Africa include abandoned pits and shafts in artisanal mining areas in West Africa, dumps from previous mining activities in South Africa, pollution of ground ...
consulter en ligne
Context of TB in the Mining Sector of Southern Africa
2022.10.31 Reports that despite major advances in prevention, diagnosis, and treatment—including a 47 percent reduction in global tuberculosis (TB) mortality since 1990—TB remains a leading cause of death worldwide, and the southern Africa region has a particularly high burden, with five countries in the Southern African Development
consulter en ligne
Contemporary Gold Mining in Eastern Zimbabwe:
2019.10.25 The dataset represents an investigation of pre-colonial and contemporary gold mining practices in this area and covers the period from AD 1300–2018 from an anthropological and archaeological ...
consulter en ligne
Water Pollution and Contamination from Gold Mines: Acid
2020.7.24 By 2010 South Africa’s position had dropped to 5th on the world list of gold producers (a position held until 2013) but in 2010 was still producing approximately 11% of the total world production—this had dropped to 4.2% in 2017, while between 2014 and 2018 South Africa had dropped to number 7th in world gold production.
consulter en ligne