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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
51

Sustainability in the South African gold mining industry : managing a paradox

Mathibe, Motsiemang Brian Gerard 21 July 2012 (has links)
The history of the gold mining industry and that of South Africa are closely linked and will continue to be so for the foreseeable future. Despite declining production figures in the last decade, the gold mining industry remains a key contributor to economic development in the country. The legitimacy of the industry has been based almost entirely on the financial contribution to the fiscus and job creation. More recently, this legitimacy has been questioned by perceptions of shortcomings in the contribution to sustainable development. The purpose of the research was to gain an enhanced understanding into how the gold mining industry is respond to the challenges of sustainability in South Africa. Through a combination of qualitative interviews and secondary data review, the research had specific aims to: Establish the strategic stances of South African gold mining companies on sustainability Identify key drivers and impediments to implementing sustainability strategies into the day-to-day decision making; establish the maturity levels of the practices adopted by the companies; and establish an approach that can be used to assist South Africa’s gold mining companies embed sustainability in their strategies. By and large, the South African gold mining industry recognises its responsibilities towards society and the ecosystem. However, the focus seems to be more short-term and based on liability, cost and risk reduction. Additionally, there seems to be a gap between intent and actual performance. The Mining Charter and global sustainability frameworks are key drivers in the companies’ response to sustainability challenges.Leadership within the industry, the credibility and trust deficits, and the fragmented approach to sustainable development were identified as major impediments. / Dissertation (MBA)--University of Pretoria, 2012. / Gordon Institute of Business Science (GIBS) / unrestricted
52

Factors contributing to unsuccessful rehabilitation: a case study investigating the rehabilitation practices in Opencast Coal Mines in the Mpumalanga Province, South Africa

Gule, Nontobeko 05 August 2021 (has links)
The coal mining industry has played a significant role in the development of the South African economy. Coal supplies about 70% of South Africa's primary energy and is likely to remain the country's major source of energy despite the increasing trends towards renewable energy. Even though the industry has significantly contributed to the development of the country, it has also caused significant impacts on the environment with concomitant socio-economic impacts. Historically, once a coal measure was exhausted, mining companies would cease production and abandon the mines without proper rehabilitation of the environmental degradation caused by their mining activities. As a result of this, the South African Government introduced mining and rehabilitation legislation to mitigate the environmental and associated socio-economic impacts of mining. Rehabilitation guidelines for opencast coal mines were developed to provide detailed guidance for achieving successful and sustainable rehabilitation, to mitigate pollution post-mining. Despite the more stringent legislative framework and the development of international standard rehabilitation guidelines, successful mine rehabilitation remains a challenge. This research project aims to develop a better qualitative understanding of the status, challenges, gaps and opportunities pertaining to current rehabilitation practices in the case of opencast coal mines in the Mpumalanga Province of South Africa, and in so doing, establish the contributing factors of unsuccessful rehabilitation. The dissertation draws on a comprehensive review of published literature and an analysis of semi-structured interviews with rehabilitation experts. The study found that the current rehabilitation practices in the Mpumalanga opencast mines are not to the standard required by the legislative framework nor prescribed by rehabilitation guidelines. As such, the current rehabilitation practices are not yielding successful and sustainable rehabilitation. According to the findings, the rehabilitation practices are hampered by physical and non-physical systemic challenges that thwart the achievement of successful rehabilitation. The study analysis shows that shortcomings in the application and enforcement of the legislative framework contributes to the legislation not achieving its intended objectives as well as the development of other physical and non-physical systemic challenges that hamper the achievement of successful rehabilitation.
53

Evaluating the influence of corporate social responsibility on brand reputation in the mining industry: a case study of Exxaro's Grootegeluk mine

Mashego, Sendra Dimakatso 17 August 2021 (has links)
Corporate Social Responsibility (CSR) is now playing an imperative role in South Africa and globally, especially in the mining sector. This industry is expected to make profits while contributing towards a better society. Despite the industry‘s significant contribution to the economy, it also has a negative impact socially and environmentally. Over the past decades the mining sector has been seen as not mindful of its immediate stakeholders. Communities in close proximity to mines do not trust mining companies due to perceptions that mining companies fail to consider the environment within which they operate. Communities are often left with the impression that mines have simply degraded the environment without contributing to sustainable local development such as such as poverty, health, infrastructure, education and unemployment. The reputation of mining companies thus has declined, resulting in economic losses. Mining companies still interpret CSR as an environmental stewardship rather than a model for improving alignment with its stakeholders, as well as enhancing and building brand reputation. The purpose of this study is to evaluate the impact of CSR on the mining industry's brand reputation. The study links the CSR efforts of Exxaro‘s Grootegeluk Mine and their ability to enhance the mine‘s reputation in areas of operation. Exxaro is among the top five coal producers in South Africa. The Grootegeluk Coal Mine is an open cast coal mine in Lephalale, Limpopo. A quantitative research methodology was applied using a face to face structured self-administered questionnaire to collect primary data from a sample of 330 participants. Descriptive statistical analysis was conducted with a view to condense the sample composition. The non-probability sampling was deemed appropriate for this study, particularly, the simple random sampling. Regression analysis was deemed suitable to for this study. The collected data was analysed using SPSS version 26.0. Research results have shown that CSR has a favourable association with brand reputation. The study found that community members are more aware of the mine‘s economic responsibility in relation to other dimensions of CSR. This finding implies that the community is more in-tune with aspects that have a direct bearing on their livelihood and are more inclined to seek opportunities and initiatives that improve their overall standard of living. Overall, the findings show that organisations that invest in socially responsible behaviour have higher levels of perceived reputation among the society. Philanthropic initiatives should be developed with the involvement of community members to ensure that their real needs will be determined. Poorly developed community projects do not benefit the mine or the community. The mines should look into sourcing the majority of its staff from the local community. In addition, mining organizations should look into aggressively training local community members who do not possess the required skills necessary for employment within the mining sector. Furthermore, communities should be made aware of all CSR initiatives which are relevant to them through community engagement initiatives because this action will lead to attitude and behaviour changes towards the mine. Previous studies have focused mainly on how CSR initiatives contribute to brand value, customer satisfaction, brand attitude, customer retention, and customer loyalty, and on the relationship between CSR and organization performance. This study highlights the importance of CSR measures on organizational reputation and advises policymakers, the mining industry and scholars.
54

Evaluating the influence of corporate social responsibility on brand reputation in the mining industry: a case study of Exxaro's Grootegeluk mine

Mashego, Sendra Dimakatso 17 August 2021 (has links)
Corporate Social Responsibility (CSR) is now playing an imperative role in South Africa and globally, especially in the mining sector. This industry is expected to make profits while contributing towards a better society. Despite the industry‘s significant contribution to the economy, it also has a negative impact socially and environmentally. Over the past decades the mining sector has been seen as not mindful of its immediate stakeholders. Communities in close proximity to mines do not trust mining companies due to perceptions that mining companies fail to consider the environment within which they operate. Communities are often left with the impression that mines have simply degraded the environment without contributing to sustainable local development such as such as poverty, health, infrastructure, education and unemployment. The reputation of mining companies thus has declined, resulting in economic losses. Mining companies still interpret CSR as an environmental stewardship rather than a model for improving alignment with its stakeholders, as well as enhancing and building brand reputation. The purpose of this study is to evaluate the impact of CSR on the mining industry's brand reputation. The study links the CSR efforts of Exxaro‘s Grootegeluk Mine and their ability to enhance the mine‘s reputation in areas of operation. Exxaro is among the top five coal producers in South Africa. The Grootegeluk Coal Mine is an open cast coal mine in Lephalale, Limpopo. A quantitative research methodology was applied using a face to face structured self-administered questionnaire to collect primary data from a sample of 330 participants. Descriptive statistical analysis was conducted with a view to condense the sample composition. The non-probability sampling was deemed appropriate for this study, particularly, the simple random sampling. Regression analysis was deemed suitable to for this study. The collected data was analysed using SPSS version 26.0. Research results have shown that CSR has a favourable association with brand reputation. The study found that community members are more aware of the mine‘s economic responsibility in relation to other dimensions of CSR. This finding implies that the community is more in-tune with aspects that have a direct bearing on their livelihood and are more inclined to seek opportunities and initiatives that improve their overall standard of living. Overall, the findings show that organisations that invest in socially responsible behaviour have higher levels of perceived reputation among the society. Philanthropic initiatives should be developed with the involvement of community members to ensure that their real needs will be determined. Poorly developed community projects do not benefit the mine or the community. The mines should look into sourcing the majority of its staff from the local community. In addition, mining organizations should look into aggressively training local community members who do not possess the required skills necessary for employment within the mining sector. Furthermore, communities should be made aware of all CSR initiatives which are relevant to them through community engagement initiatives because this action will lead to attitude and behaviour changes towards the mine. Previous studies have focused mainly on how CSR initiatives contribute to brand value, customer satisfaction, brand attitude, customer retention, and customer loyalty, and on the relationship between CSR and organization performance. This study highlights the importance of CSR measures on organizational reputation and advises policymakers, the mining industry and scholars.
55

Confronting gold mine acid drainage : art as counter-activity

Kritzinger, Louise 23 August 2013 (has links)
Environmental art: Art relating to the individual’s response, understanding and interest towards the land, including art forms such as Land/Earth art as well as more sensitive art forms such as Eco-art, focussed more on the earth’s natural processes. Exploitation: The exploitation of mineral resources is closely associated with progress and success, but also that of benefiting from something at the cost of something else, in this case exploiting gold at the cost of the ecology of the natural environment. Gold mining industry: The labour-intensive activity of removing gold from ore, mined from deep within the earth’s crust through a system of shafts and stopes. Installation art: Refers to what is contested as being a medium or process of art, whereby three-dimensional works are designed to influence the perception of a space, often site-specific, within an enclosed space or the outside environment, temporary or permanent. The found object or existing object is often used in installation art for its intellectual value. Inter-and-trans-disciplinary approach: The utilisation and collaboration of different disciplines as a means to find a solution to a (environmental) problem. Landscape: A cultural construct, referring not to physical topography, but to an aesthetically processed vision of the environment, mostly arranged and framed by an artist. Post-industrial environment: Referring to an environment, man-made or natural in a state preceded by industry. Often these environments are characterised as polluted and derelicts sites left behind by large mining industries. The gold-mining industry on the Witwatersrand, is characterised by massive tailings dumps and slimes dams. Resource curse: A term coined by artist Jeannette Unite, describing the phenomenon of extreme poverty co-existing with valuable minerals in the same region, especially prevalent in Africa. Technospasm: A term conceptualised by archeo-metallurgist Duncan Miller, as the unsustainable rate of non-renewable mineral resources extraction. South Africa is known to the world for its vast deposits of valuable minerals, of which gold has played a seminal role in the development of the country’s economy. What is left after more than 120 years of mining for this precious metal is a landscape, better described as a derelict post-industrial environment, characterised by pollution and impoverished communities. Environmental degradation caused by mining industries is not unique to the African continent, but is a worldwide phenomenon. Due to the rapid deterioration of environments caused by mining and industry, new environmentalist attitudes became prevalent by the 1970s in the West, seeking change in attitudes towards the land. Along with earth activists, artists also started to question humankind’s destructive relationship towards the land. Apart from the early developments of Land/Earth art during the 1960s, artists have taken on roles of activists, interventionists and collaborators of multi- and interdisciplinary projects since then, in order to remediate and re-cultivate post-industrial sites. Environmental artists find value in what art holistically contributes to society, as opposed to the commodity value of art. While artists in the West significantly progressed in environmentally orientated art, South African artists focused more on responding to the socio-economic conditions induced by the long-standing Apartheid era. Few South African artists have attempted to engage in environmentally-concerned art, especially related to the mining industry. However, Western attitudes towards the land can be derived from South Africa’s landscape depictions since its colonisation by Europeans up to contemporary versions of the South African landscape environment today. This study provides a historic overview of South Africa’s aesthetic relationship with the mining landscape, specifically of the post-industrial sites situated in the Witwatersrand. The aim is to determine the South African artists’ contribution towards developing an environmental awareness, and to call for more artists to take part in visual art forms concerning the disruption of the environment, caused by the mining industry. The study determines the relevance of art as a means to raise environmental issues and whether art may be utilised for post-industrial remediation projects. International examples of Reclamation art projects and its incorporation of science are investigated to find solutions towards contaminated post-industrial sites. These examples are compared to the work of a small number of South African artists who have attempted to engage in the post-industrial mining environment through Earthworks and science The researcher’s own work is discussed to raise awareness of the adverse effects of Acid Mine Drainage (AMD) caused by the gold-mining industry in the Witwatersrand. A body of installation art produced for this degree was displayed in a gallery space, which presented a platform for audience engagement. Through this body of work and through the examples discussed in this dissertation, the researcher urges South African artists to take up the task of moral responsibility towards the environment for the survival of future generations of life on earth. / Dissertation (MA)--University of Pretoria, 2012. / Visual Arts / unrestricted
56

Optimization of Quarry Operations and Maintenance Schedules

George, Brennan Kelly 28 June 2023 (has links)
New technologies such as the Internet of Things are providing newer insights into the health, performance, and utilization of mining equipment through the collection of real-time data with sensors. In this study, data is utilized from multiple quarries and a surface coal mine collected through the software CAT Productivity and CAT MineStar Edge to analyze the performance of loaders and haul trucks. This data consists of performance metrics such as truck and loader cycle time, payload per loader bucket, total truck payload, truck plan distance, and loader dipper count. This study uses data analysis and machine learning techniques to analyze the performance of loaders and haul trucks in the mining operations used in the scope of this study. Data analysis of cycle time and payload show promising results such that there is an optimum cycle time for multiple loaders between 30-40 seconds that show a high average production. Furthermore, the distribution of production variables is analyzed across each set of loaders to compare the performance. The Caterpillar 992K machine in the rock quarries data set seemed to be the highest-yielding machine while the two Caterpillar 993K machines performed similarly in the surface coal mine data set. The Neural Network algorithm created a model that predicted the loader from the performance metrics with 90.26% accuracy using the CAT Productivity data set, while the Random Forest algorithm achieved a 79.82% accuracy using the CAT MineStar Edge data set. Furthermore, the use of preventative maintenance is investigated in the process of replacing Ground Engaging Tools on loader buckets to determine if maintenance was effective. Additionally, data analysis is applied to Ground Engagement Tools maintenance to identify key preventative maintenance schedules to minimize production impact from equipment downtime and unnecessary maintenance. Production efficiency is compared before and after maintenance on Ground Engaging Tools and concluded that there was no material change in the average production of the mine based on that analysis. The insights gained from this study can inform future research and decision-making and improve operational efficiency. / Master of Science / New technologies are helping us better understand the performance of mining equipment. This is done by using special sensors to collect real-time data on information such as how long it takes for trucks and loaders to perform their job, how much weight in the material they can carry, and how far they have to travel. Through the use of data analysis techniques and machine learning models, the data are analyzed to investigate optimum performance metrics. An optimum time of around 30-40 seconds is discovered for the loaders to output their best performance. We also discovered that through a comparison of normal distributions, some machines in similar working conditions perform much better. In the case of this study, it was found that the Caterpillar 992K loader machine outperformed all the other machines. Using machine learning models, we could accurately predict the loader unit from its data with about 80-90% accuracy. Maintenance practices are analyzed on loader bucket parts that assist in digging to prevent unnecessary maintenance or loss of production. Through analysis of maintenance records and production, it was found that there were no big changes after maintenance was performed. This information can help fuel future research as well as show where improvements can be made.
57

Implementation of laws regulating mining industry transformation in South Africa

Phaladi, Nkgolodishe Hermit January 2016 (has links)
Thesis (M. Dev. (Development and Management Law)) -- University of Limpopo, 2017 / This mini-dissertation deals with the implementation of laws regulating mining industries transformation in South Africa. This mini-dissertation finds that the pace of transformation is very low and the challenges faced in the mining industries which are slowing the process are evaluated. Such challenges include: lack of skills, unqualified candidates and lack of experience. It finds that the Broad-based socio-economic empowerment (BBSEE) introduced 15% target by 2011 where only 8.9% was reached in respect of transformation and that by 2014, 26% must be met where only 17.4% at the top management is achieved. The call for nationalisation of mines as a solution to speed up transformation have also been evaluated and the Mining Qualification Authority category of providing scholarships to maths and science learners to the exclusion of other streams as transformational aspect was also evaluated. The question as to whether 26% of the historically disadvantaged South Africans occupying managerial position is enough to rectify the injustices of the apartheid ills is also looked at. A comparative study was done between South Africa, Canada and Australia to see whether lessons could be learnt. Keywords: Implementation, transformation laws, Historically Disadvantaged South Africans, Mining Qualification Authority, and Mining industry.
58

Developing a zero harm safety culture framework for the mining industry

Redelinghuys, Paul 12 1900 (has links)
Thesis (MBA)--Stellenbosch University, 2012. / Safety culture is a multi-layered dynamic concept, meaning that it is not only the aspects pertaining to compliance with compulsory legislation, but also many other non-compulsory safety management and leadership initiatives, which enhance the companies’ safety performance. Most of the available literature focuses on a safety climate, which is an aggregate measure of employee attitude and opinion regarding safety. This paper presents the zero harm safety culture, a common contextual framework, taking readers beyond the traditional safety climate metrics and presenting a variety of assessment and analytical tools for each level of the framework. Techniques used to transform the safety culture toward a state of zero harm are explored in this research report. Finally, 26-components exist in a zero harm safety framework, to illustrate the development and application of a zero harm safety culture in the mining industry. It is also worth mentioning that the most important element of clearly perceived leadership has been found to be neglected in the past and resulted in persistence of incidents leading to fatalities. This important factor, which requires constant leadership interaction, is what makes or breaks the zero harm safety culture framework. Hence, it is crucial that organisations appoint leaders in positions influencing direction of the safety culture, and that these individuals are committed to the drive towards zero harm. This would assist leaders in the mining industry, especially small mines where resources are scarce, to apply the zero harm framework in such a way that the drive towards a zero harm safety culture becomes a reality. When considering implementing the zero harm safety framework in any mining company, irrespective of its size, a successful safety culture can be accomplished realistically within three to five. This paper also provides a series of recommendations to help implement this framework.
59

Job demands, job resources and work-related flow of employees in the mining industry in South Africa / Anneline le Roux

Geldenhuys, Anneline January 2005 (has links)
The mining industry plays an important role in the economy of South Africa. This industry is an employer of thousands of people and the development of South Africa has depended on the development of the mining industry in more than one way. However, working conditions in the mining industry is poor, harsh and dangerous and employees are also faced with job insecurity. This may lead to stressors in the working environment and these stressors, which are closely related to work characteristics, may have negative effects on employees as well as on their productivity levels. Studies relating organisational resources to work-related flow have provided additional evidence for the motivational potential of resources. The focus of this study is on job characteristics, consisting of job demands and job resources and whether these characteristics can foster work-related flow. The objective of this study was to determine the relationship between job demands, job resources and work-related flow and to determine whether the availability of job resources and the lack of job demands foster the experience of work-related flow. The research method consisted of a literature review and an empirical study. A cross-sectional survey design was used o collect the data. An availability sample (N = 326) from employees in the mining industry was taken. The Job Demands and Resources Scale (JDRS) (which was developed for the purpose of this study to measure job demands and job resources for employees in the mining industry) and the Work-Related Flow scale (WOLF) and a biographical questionnaire were also administered The statistical analysis was carried out with the help of the SPSS programme and AMOS programme. The statistical methods utilised in the article consisted of descriptive statistics, Cronbach alpha coefficients , Pearson product-moment correlation coefficients and structural equation modelling methods. Pearson product moment correlation in this study showed that Supervision correlated positively with Task Freedom, Support, Pay and Benefits, Opportunities for Growth and Resources Availability. Workload correlated positively with Working Conditions. Working Conditions correlated positively with Working Hours and negatively with Resources Availability. Task Freedom correlated positively with Opportunities for Growth and Intrinsic Motivation, and Support correlated positively with Opportunity for Growth Pay and Benefits correlated positively with Opportunity for Growth and Resource Availability, whereas Opportunity for Growth correlated positively to Work Enjoyment. Resources Availability correlates negatively with Working Hours, and Absorption indicates a positive correlation to Work Enjoyment and Intrinsic Motivation. Work Enjoyment correlates positively to intrinsic Motivation A structural model of work-related flow for employees in the mining industry comprising of job demands, job resources and work-related flow was tested. Job Resources (i.e. Supervision, Task Freedom, Support, Pay and Benefits, Opportunity for Growth, and Resource Availability) may have a positive impact on Work-Related Flow and could increase the levels of work-related flow of employees in the mining industry. Job Demands (i.e. Workload, Working conditions, Job Security, and Working Hours) has a negative impact on Work-Related Flow, thus job demands may negatively influence the experience of work-related flow in employees in the mining industry. Recommendations for future research were made. / Thesis (M.Com. (Industrial Psychology))--North-West University, Potchefstroom Campus, 2006.
60

The psychometric properties of an emotional intelligence scale for employees in the mining industry / Tebogo Martha Leepile

Leepile, Tebogo Martha January 2006 (has links)
Business leaders are increasingly coming to recognise that there is more to business success than technical and cognitive competence. Personnel leadership is proving to be critical for business bottom-line achievements considering that most business outcomes are achieved through human capital. Emotional intelligence can be used to the advantage of organisations by developing an emotional intelligence audit. The objective of this study was to investigate the psychometric properties of the Emotional Intelligence Scale (EIS) developed by Schutte, Malouff, Hall, Haggerty, Cooper, and Golden (1998) for employees in the mining industry in South Africa. The psychometric soundness of the EIS was tested. The general objective of the research was to standardise a psychometric instrument of emotional intelligence and determine the validity of the Schutte Emotional Intelligence Questionnaire (EIS) (Schutte, et al., 1998). A valid and reliable measure of emotional intelligence could be valuable in the organisation to identify specific EI needs that could be developed through the implementation of EI development programmes. In this context a standardised psychometric instrument of EI could be of use in organisations during the training and development of employees. A cross-sectional survey research method with an availability sample (N = 324) from employees in the mining industry was used. Exploratory factor analysis was used to confirm the construct equivalence of the EIS in different racial pups. The results supported a one-factor model of emotional intelligence. ANOVA analysis was conducted to determine the levels of emotional intelligence in terms of various demographic aspects such as gender, racial groups, language groups, and age groups. The results indicated that there are no significant differences between different demographics aspects and the level of emotional intelligence. Recommendations for future research were made. / Thesis (M.A. (Industrial Psychology))--North-West University, Potchefstroom Campus, 2007.

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