Development and application of a methodological tool

2021-8-4  combination of methods that improve physical stability of the dump while Sphiwe Emmanuel Mhlongo ... resulted to two unrehabilitated tailings dumps while copper mining created a huge tailing dump outside Musina Town. ... was developed based on the situation of abandoned mine tailings dumps in South Africa. ID ¼A i e þi f þi

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In situ bioremediation of South African coal discard dumps

Coal mining companies are obliged by South African legislation governing mine closure to rehabilitate and ... Roofcoal Dump, Mpumalanga, South Africa) suggested the in situ manufacture of an organic rich soil-like ... 2 Methodology 2.1 Small-scale trials

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The unregulated terrain of historic mine dumps in South

2020-7-8  South Africa July 8 2020. The term ‘mine dump’ is usually used to refer to waste that is consequential to mining operations and comprises of tailing, slimes, waste rock, sand or other residue ...

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Methodology for a dump design optimization in large

2021-2-19  ing acid mine drainage (Li et al., 2013). In addition, an example illustrates the methodology. 2. Dump design considerations A mine dump can be defined as a massive structure formed by placing large amounts of material in lifts of a restricted vertical expansion that laid one on top of each other and form a stable slope at the angle of repose.

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Waste Disposal Methods: Perspectives for Africa ...

2021-4-3  For the purpose of this article, we will look at the three common waste disposal methods in Africa and the kind of waste they accept. Open Dumping/Burning

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Methodology for a Dump Design Optimization in Large

2017-5-5  Methodology for a Dump Design Optimization in Large-Scale Open Pit Mines Jorge Puell Ortiz Department of Mining and Geological Engineering, University of Arizona, Tucson, AZ 85721, USA; [email protected]; Tel.: +1-720-256-6850 Abstract: Dump design and scheduling are critical elements to effective mine planning, especially

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Waste Rock Dump Management and Stability Evaluation

2020-3-25  1968. Mining commenced in 1972 and is still carried out to date. There are two waste dumps in close proximity to the two open pit mining operations. The paper covers the slope stability analysis of the active dump as mining expands and the dump develops further. A phased rehabilitation programme will be implemented on the inactive dump.

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NB Mining Africa

NB Mining Africa is now the leading mining and civil engineering conPulverizer for the RDC’s largest companies. It has a one of the contry’s largest ranges of equipment : Crushers of up to 360 tons, 25 to 100 ton dump trucks, drill rigs, motor graders, bulldozers, loaders,

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(PDF) History of Mining in Africa. A Philatelic Review ...

KEYWORDS: Mining, stamps, history, Africa. INTRODUCTION Before being colonized by the Europeans, the inhabi- tants of Africa have pursued mining of ores and the extraction of metals in a primitive way since ancient times. Gold was mined by the ancient Egyptians and made into magnificent artefacts (Fig. 1).

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A HOLISTIC APPROACH TO MINE PLANNING - Deswik

2019-1-9  • Actual distance from the dig or dump centroid. A study conducted by Doig and Kizil (2013) showed that, in a strip mining configuration, by varying the mining block size, cycle time variations of up to 15% could be seen as shown in Figure 3. This can be further compounded by various dump block sizes and selective material placement strategies.

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In situ bioremediation of South African coal discard dumps

Coal mining companies are obliged by South African legislation governing mine closure to rehabilitate and ... Roofcoal Dump, Mpumalanga, South Africa) suggested the in situ manufacture of an organic rich soil-like ... 2 Methodology 2.1 Small-scale trials

Get Price

The unregulated terrain of historic mine dumps in South

2020-7-8  South Africa July 8 2020. The term ‘mine dump’ is usually used to refer to waste that is consequential to mining operations and comprises of tailing, slimes, waste rock, sand or other residue ...

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Pre-colonial mining in southern Africa - SAIMM

2009-8-27  Pre-colonial mining in southern Africa by A. Hammel*, C. White*, S. Pfeiffer†, and D. Miller‡ Synopsis 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 into sections in

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Mining - ResearchGate

in mining has driven a search for alternative venue for mine waste disposal in some in-stances. In this area, traditional methods for mine waste dump construction are bench and layer (SCHRODER, 2003).

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SOUTH AFRICA’S COAL INDUSTRY OVERVIEW, 2014

3. MINING METHODS Both opencast and underground mining methods are employed in South Africa for extraction of coal reserves. There are three different mining methods that are commonly used in underground mines in South Africa. The most common technique is the ’bord and pillar’ method. This method is ideal for relatively shallow deposits

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(PDF) History of Mining in Africa. A Philatelic Review ...

KEYWORDS: Mining, stamps, history, Africa. INTRODUCTION Before being colonized by the Europeans, the inhabi- tants of Africa have pursued mining of ores and the extraction of metals in a primitive way since ancient times. Gold was mined by the ancient Egyptians and made into magnificent artefacts (Fig. 1).

Get Price

[PDF] CHAPTER 11: MINE WASTE DUMP Semantic Scholar

The Overburden of waste and uneconomic mineralized rock is required to be removed to mine the useful mineral resource in a surface mining operation. In this process a dump is formed by casting the waste material and dumping it in nearby area. The dump so formed is known as mine waste dump. Waste dump may be classified as internal and external dump.

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Joburg's iconic mine dumps are a health risk, say ...

2012-12-14  Joburg’s iconic mine dumps are a health risk, say activists. Mandi Smallhorne. 14 Dec 2012. Pale mine dust coats the soil in Snake Park. A slightly

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Environmental pollution in Africa SpringerLink

2017-1-9  Environmental pollution is a growing problem worldwide, but the levels of contamination are different in different parts of the world. Even though industries, automobiles, power plants, households and agricultural activities continue to emit significant amounts of air pollutants, air pollution has decreased in Europe over the last decade (Guerreiro et al. 2014).

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Mine waste dump stability analysis - QueensMineDesignWiki

2019-6-28  In the case of mine waste facilities, the objectives are simple: Design the structure such that it will retain the material behind it, and still be stable. Try to make the structure take up as little space as possible. In the case of point 1, the rock slope or tailings dam slope should be as flat as possible to return maximum stability.

Get Price

In situ bioremediation of South African coal discard dumps

Coal mining companies are obliged by South African legislation governing mine closure to rehabilitate and ... Roofcoal Dump, Mpumalanga, South Africa) suggested the in situ manufacture of an organic rich soil-like ... 2 Methodology 2.1 Small-scale trials

Get Price

The unregulated terrain of historic mine dumps in South

2020-7-8  South Africa July 8 2020. The term ‘mine dump’ is usually used to refer to waste that is consequential to mining operations and comprises of tailing, slimes, waste rock, sand or other residue ...

Get Price

Pre-colonial mining in southern Africa - SAIMM

2009-8-27  Pre-colonial mining in southern Africa by A. Hammel*, C. White*, S. Pfeiffer†, and D. Miller‡ Synopsis 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 into sections in

Get Price

SOUTH AFRICA’S COAL INDUSTRY OVERVIEW, 2014

3. MINING METHODS Both opencast and underground mining methods are employed in South Africa for extraction of coal reserves. There are three different mining methods that are commonly used in underground mines in South Africa. The most common technique is the ’bord and pillar’ method. This method is ideal for relatively shallow deposits

Get Price

Environmental Impacts of Mining: A Study of Mining ...

2020-8-21  Mineral exploitation contributes significantly to economic growth and development in most world economies. In Africa, Ghana is the second largest gold producer, contributing to about 5.7% of the country’s GDP. The mining sector in Ghana consists of both small-scale and large-scale mining, each of which has varying environmental impacts. This paper provides an exposition on the environmental ...

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(PDF) History of Mining in Africa. A Philatelic Review ...

KEYWORDS: Mining, stamps, history, Africa. INTRODUCTION Before being colonized by the Europeans, the inhabi- tants of Africa have pursued mining of ores and the extraction of metals in a primitive way since ancient times. Gold was mined by the ancient Egyptians and made into magnificent artefacts (Fig. 1).

Get Price

[PDF] CHAPTER 11: MINE WASTE DUMP Semantic Scholar

The Overburden of waste and uneconomic mineralized rock is required to be removed to mine the useful mineral resource in a surface mining operation. In this process a dump is formed by casting the waste material and dumping it in nearby area. The dump so formed is known as mine waste dump. Waste dump may be classified as internal and external dump.

Get Price

Joburg's iconic mine dumps are a health risk, say ...

2012-12-14  Joburg’s iconic mine dumps are a health risk, say activists. Mandi Smallhorne. 14 Dec 2012. Pale mine dust coats the soil in Snake Park. A slightly

Get Price

A HOLISTIC APPROACH TO MINE PLANNING - Deswik

2019-1-9  • Actual distance from the dig or dump centroid. A study conducted by Doig and Kizil (2013) showed that, in a strip mining configuration, by varying the mining block size, cycle time variations of up to 15% could be seen as shown in Figure 3. This can be further compounded by various dump block sizes and selective material placement strategies.

Get Price

Mine waste dump stability analysis - QueensMineDesignWiki

2019-6-28  In the case of mine waste facilities, the objectives are simple: Design the structure such that it will retain the material behind it, and still be stable. Try to make the structure take up as little space as possible. In the case of point 1, the rock slope or tailings dam slope should be as flat as possible to return maximum stability.

Get Price