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narrow reef mining production figures

'Rock cutting' – platinum mining of the future?

Rock-cutting methods would largely be focused on on-reef mining layouts with little or no infrastructure located outside the reef envelopes. The major economic reefs in the BC are the UG2 and Merensky reefs, which are narrow and tabular in shape. The general stratigraphy and geology is well understood, and these reefs have been mined for more

Picture this: The Modern Mine | Anglo American

Also in development with is another remotely operated rig, the MN 220 Reef Miner. This incorporates cutting and roof bolting and is designed for mining narrow mineral reefs in hard rock. It is up to three times faster than conventional drill & blast methods and, of course, also removes our people from harm's way.

Underground mining (hard rock) - Wikipedia

Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, usually those containing metals such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds or rubies. Soft rock mining refers to excavation of softer minerals such as salt, coal ...

Other Key Projects - Theta Gold Mines

Key projects in the pipeline Vaalhoek Mine (Open cut) Vaalhoek resource (0.62Mt @ 17.5g/t Au for 335koz, 82% Inferred), 20km north of the TGME Plant (Figure 1), represents mostly flat-lying reefs, are amenable to open-cut mining and is an example of the type of high grade targets the Company is seeking to bring into production.This represents the highest grade open-pit resource in the ...

TWENTY FIVE YEARS OF MECHANISATION OF TABULAR …

TWENTY FIVE YEARS OF MECHANISATION OF TABULAR OREBODIES IN SOUTH AFRICAN GOLD AND PLATINUM MINES . K.A.RHODES: OCTOBER 2015 . ... Twenty Five Years of Mechanisation of Tabular Orebodies in South African Gold and Platinum Mines. 1. 1. ... Narrow Reef Mechanisation at Cooke 2 Shaft, Randfontein Estates ...

What Equipment Did They Use For Deep Reef Mining

reef mining techniques - mcimbidesigns.co.za. narrow reef mining production figures - makabsworg. New mining methods and systems for narrow reef, Mining finding increased acceptance in the industry, we have, side of a major geological structure, . Chat Now; definition of flat tabular reef in gold mining.

mechanized mining equipments for narrow reef mining

mechanized mining equipments for narrow reef miningnarrow reef mining production figures sand washing machine what is the best energy delivery system for . mines are using trackless mechanized mining equipment . Get Price And Support Online gravel mining equipment in south dakota BINQ Mining. Get Price

Lecture 4: Underground Mining - SlideShare

Nov 02, 2011· Underground mining, Underground mining methods. Lecture 4: Underground Mining 1. Hassan Z. Harraz [email protected] 2010- 2011 This material is intended for use in lectures, presentations and as handouts to students, and is provided in Power point format so as to allow customization for the individual needs of course instructors.

Variations in ultra-deep, narrow reef stoping ...

for narrow reef mining in ultra-deep operations in very hot rock. The stope ventilation and cooling needs are driven primarily by the difference between the air temperature and that of the rock front being excavated. These needs depend on the face utilization, geometry, face advance (rate and direction), layout, backfill, use of water and ...

Blyvoor Gold Mine - Mining Technology | Mining News and ...

Mining. Blyvoor is an underground mine. Ore is mined using conventional drill, blast and scape narrow-reef mining methods. Due to combined operations at Blyvoor and Doornfontein, ores have become accessible through a number of methods.

A review of preconditioning and its influence on mining ...

A review of preconditioning and its influence on mining conditions with particular emphasis on health and safety ... injuries in narrow reef mining. ... deaths to the workers and lost production ...

Doornkop Gold Mine - Johannesburg - Wikimapia

At Doornkop, both the Kimberley and South reefs are mined by means of narrow reef, conventional mining and mechanised bord and pillar mining. Production at the Doornkop South Reef Project, on which development began in FY03 and which enables access to the higher grade South Reef, began in …

Home - AngloGold Ashanti

AngloGold Ashanti's operations in the Australasian Region, Sunrise Dam and Tropicana, are located in the northeastern goldfields of the state of Western Australia. The region produced 520 000oz of gold in 2016, which accounts for 14% of the group's total gold production.

Target Gold Mine, Free State province, South Africa ...

MINING METHODS. From the outset, Avgold planned Target to be highly mechanised, using long-hole stoping where reef widths allow this, and either cut-and-fill or long-hole stoping in narrow reef areas. Broken ore is handled using remote-controlled load-haul-dump machines. Drift-and-fill mining is used in flat-lying reef areas.

(PDF) pre-conditioning | thabo matsomane - Academia.edu

University of Johannesburg Department of Mining Engineering Module name MINING TECHNICAL SERVICES IVA Module code MTLA411 PRE-CONDITIONING BLASTING TECHNIQUES AS APPLIED TO THE ROCK MASS SO AS TO HAVE CONTROL OVER THE BEHAVIOUR OF THE ROCK MASS IN: DEEP LEVEL NARROW STOPING DEEP LEVEL HIGHLY STRESSED TUNNELS CAVE MINING …

Mining by rock cutting in narrow reefs - SAIMM

Mining by rock cutting in narrow reefs R. PICKERING*, A. SMIT* and K. MOXHAM† * †Lonmin Platinum Since the early 1970s research has been ongoing to develop a cost-effective way of continuously mining the narrow reef, hard rock, typical of South African gold and platinum mines. In …

Harmony Gold (mining) - Wikipedia

Doornkop, a single-shaft operation, is located in the province of Gauteng of South Africa, approximately 30 kilometres west of Johannesburg, on the northern rim of the Witwatersrand Basin. Mining is conducted at a depth of 1 978 metres. The operation focuses on narrow-reef conventional mining of the South Reef.

Queensland gold – gold maps | Prometheism Transhumanism ...

Jun 21, 2016· Mining virtually ceased during World War 1 and has been sporadic since. Total production from 1900 to 1951 was 291.58kg, made up of 1371.63kg of reef gold from 34196 tonnes of ore, 682.41kg of alluvial gold, and 237.54kg from the treatment of 19 256 tonnes of tailings. Mining at Ebagoola was centred about the old townsite.

Break it Better - Mine Blast Fragmentation - International ...

Blast fragmentation should be optimised for material haulage, comminution and mineral processing. In this month's im-mining.com Spotlight Feature Article, from the September issue of International Mining, John Chadwick examines some technologies and the benefits accruing…

Optimisation of a Mechanised Platinum Mining Section

One of the biggest challenges of mining the UG2 is that the reef is very narrow (60-80cm). A large amount of injuries occur at the stope face of narrow reef mines. Mining companies realise that they have to develop new mining technologies to improve safety. One of the new

MM's Top 10 technologies: 2 - Mining Magazine

For example, our reef miner in South Africa must also achieve a certain production rate and tool-consumption requirement to achieve a certain excavation/production cost target. If this target is not met, then the reef miner would not be attractive enough to motivate the mining industry to change to mechanical excavation," he says.

AEL Blasting News - third quarter by AEL Mining Services ...

Oct 24, 2016· is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. Easily share your publications and get them in front of 's ...

Doornkop - Harmony

Mining is conducted at a depth of 1 978 metres. The operation focuses on narrow-reef conventional mining of the South Reef. The ore from the operation is processed at the Doornkop plant. For more information, see the relevant section of the Mineral resources and …

AN ANALYSIS OF THE ASSOCIATION BETWEEN ERGONOMIC …

illnesses in narrow reef mining at Goldfields of Mazowe (GFM).The analytical research design was employed and cross verification was done through combining several methods thus triangulation were both qualitative and quantitative research approaches were used. Data was

MVM1100 Narrow Vein Mining - YouTube

Jul 11, 2013· Mechanised narrow vein mining. This feature is not available right now. Please try again later.

equipment used for deep reef mining - peperoncinostia.it

Reef Mining Techniques - cz-eu.eu. equipment used for deep reef mining grinding mill equipment what equipment did they use for deep reef mining what . all mining techniques being . Get Price And Support Online; The development and implementation of the . systems in the South African narrow reef mining …

MECHANIZING NARROW, TABULAR REEFS IN THE …

MECHANIZING NARROW, TABULAR REEFS IN THE PLATINUM INDUSTRY - THE ULTIMATE CHALLENGE (JULY 2002) MARK SEAN FARREN MINE MANAGER BAFOKENG RASIMONE PLATINUM MINE SYNOPSIS We live in a time, which is characterised by vicious swings in fortune. Equity moves as if by magic across international fronts, seamlessly interfacing with areas of potential.

narrow reef mining production figures

An overview of Southern African PGM smelting- narrow reef mining production figures,RT Jones, An overview of Southern African PGM Smelting, Nickel and Cobalt 2005: Challenges in Extraction and Production,PGM production in 2004, in millions of troy ounces per annum, this year to allow the release of official production figures for PGMs, and it is still too early for this information to be ...

What is the best energy-delivery system for hand-held ...

Mining is an uncertain activity with both ... best solution for narrow-reef hard rock mines, based on current information, mine design layout and production. Keywords hand-held stope drilling, energy delivery system, multiple-criteria ... in Figures 1–4. Assumptions

A1 Consolidated Gold - Australian Securities Exchange

A1 Consolidated Gold ... Production Mining commences from 1650 Stope ... Due to the narrow width and geometry of the reef, mining is being conducted by air-leg mining to maximise the grade. A drill program is being planned for this area in the 3rd Quarter of 2013.