ANGLO PLATINUM EXTRA LOW PROFILE (XLP) …

modernization of our mining operations` to achieve injury free sustainable production and cost effective mining technologies. The method allows for the introduction of a suite of XLP and Low Profile (LP) equipment in a narrow reef (1,2m) mining environment. For the first time it is now possible to achieve total

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Narrow-reef mechanized mining layout at Anglo American …

Anglo American Platinum (AAP) is constantly striving towards safe, sustainable, productive, and cost-effective operations. There are many different initiatives, one of which is mechanization, and in particular, mining with extra-low profile (XLP) or ultra-low profile (ULP) equipment in pre-developed stoping areas. This paper considers the best practices that have …

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Mining by rock cutting in narrow reefs

mining the narrow reef, hard rock, typical of South African gold and platinum mines. In the late ... the ARM 1100 as a mining production tool. Background Voest Alpine Bergtechnik is an Austrian Company based in ... Examples are in Figures 2 and 3. …

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Loading and hauling of broken rock in a narrow tabular …

Guidelines for mining engineers, production supervisors, and mine planners are also provided. Cleaning cycle constraint for a face cleaning rate of 110 m 3 -m/h Cleaning cycle constraint for a ...

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Welcome to MECHANICAL CUTTING

Underground continuous mining and tunneling comprises activities continuously cutting and conveying of material (soft and hard rock) directly along the excavation, including …

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The application of pumpable emulsions in narrow-reef …

The conducted research contribute to reducing the cost of 1 m of mining to 11%, as well as to saving resources in the production of mining operations and increasing the speed of mining at the ...

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Narrow Reef Mining (NRM) Innovative Mining …

pit mining, and only 1 in open-pit mining [8]. Underground mining imposes very rigid constraints on mobile equipment design [9]. The platinum mining industry is using a number of different mining methods, including variations of the same method, to extract the narrow reef tabular platinum [10]. The choice of a particular mining 'method'—i.e.,

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v117n7a1 Multi-stakeholder collaboration to unlock the …

South Africa's narrow-reef mining operations are facing challenges such as volatile commodity prices, operational cost increases in excess of inflation, health and safety issues, and depletion of less geologically complex reserves. These challenges have resulted in declining production profiles for many mining companies.

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Major Mines & Projects | Doornkop Mine

Mining Method: Conventional narrow-reef mining; Longwall; Breast stoping with strike pillars; Breast mining; ... All production numbers are expressed as metal in doré. ^ Guidance / Forecast. Operational metrics. Metrics 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015;

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Major Mines & Projects | Blyvoor Mine

• channel reef; • thin single reef; and • thick single reef. Grade generally decreases down dip (south) and towards the west associated with a reduction in carbon. The Middelvlei Reef is the second economic horizon at Blyvoor and lies stratigraphically …

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Group Ten Metals close to initial resource for Stillwater

Bulk mining brings much lower operating costs (about $400 per oz. at Anglo American and Ivanhoe Mines) and multi-decade mine life in comparison with conventional platinum group mines from narrow ...

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(PDF) Characterizing a mining production system …

For a typical underground, tabular, narrow-reef conventional drill-and-blast platinum mine the face advance, face length mined, number of teams, team efficiencies, and team size have a ...

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Narrow-reef mechanized mining layout at Anglo American …

Narrow-reef mechanized mining layout at Anglo American Platinum F. Fourie 2017 Journal of the Southern African Institute of Mining and Metallurgy ... There are many different initiatives, among which mechanization, and in particular, mining with ultra-low profile (ULP) and extra-low profile (XLP) equipment in pre-developed stoping areas has ...

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sbm/sbm narrow reef mining production figures.md at …

You've already forked sbm 0 Code Issues Pull Requests Packages Projects Releases Wiki Activity

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Narrow-reef mechanized mining layout at Anglo American …

Narrow-reef mechanized mining layout at Anglo American Platinum. J. S. Afr. Inst. Min. Metall. [online]. 2017, vol.117, n.3, pp.263-274. ISSN 2411-9717. ... Emphasis is placed on the higher production levels and greater efficiencies that can be achieved using this equipment. The paper will highlight the importance of the mining cycle as well as ...

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Variations in ultra-deep, narrow reef stoping …

and out of the reef horizon. Generally this stoping approach has a moderate ventilation need per ton and a moderate in-stope heat load per ton. Dip pillar and underhand breast layout This method has recently been implemented successfully in the mining of narrow reefs at depth. Dip pillars are left behind in the reef horizon defining spans ...

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Narrow-reef mechanized mining layout at Anglo American …

Stoping production outlines the anticipated production figures. XLPI ULP mining cycle. ... Narrow reef mechanized mining layout at Anglo American Platinum. Proceedngs of the 6th International Platinum Conference, 'Platinum-Metalfor the Future', Sun City, South Africa, 20-22 October 2014. Southern African Institute of Mining and Metallurgy ...

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Long hole drilling applied to narrow reef mining

• Only a few well drilled holes rather than large numbers of short blast holes • Avoidance of poorly-marked holes, inaccurate drilling and improper charging ... R.G.B. Long hole drilling applied to narrow reef mining. International Platinum Conference 'Platinum Surges Ahead',The Southern African Institute of Mining and Metallurgy, 2006.

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The application of pumpable emulsions in narrow-reef …

Bulk emulsion explosives have been used in large-scale mining operations across the globe for decades. The reason for their extensive use lies primarily in their advantages over alternative explosive technologies, both in terms of safety and blast performance. Despite these benefits having been attainable for some time, the scale and cost of equipment required for the …

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Threshold blasting : the renaissance of explosives in narrow reef mining

Threshold blasting involves the use of small amounts of high explosive to break and fragment hard rock without having to evacuate mining personnel. The method is easily assimilated and effective in rockbreaking, but requires rigid control on drilling, charging and timing. Current underground trials are aimed at finetuning the amount of explosive energy and blast hole …

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AUTOROCK RIGS FOR ROCKBOLTING IN NARROW REEF …

Between 2000 and 2006, platinum production from the South African mines expanded from 206 to 307 tonnes (DME, 2007). Most of this additional metal has come from traditional "narrow" reef …

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(Hydropower) Technology in South African Narrow-Reef …

The Southern African Institute of Mining and Metallurgy Platinum 2012 P. Fraser THE USE OF HIGH-PRESSURE, WATER-HYDRAULIC (HYDROPOWER) TECHNOLOGY IN SOUTH AFRICAN NARROW-REEF HARD-ROCK MINES P. Fraser Hydro Power Equipment (Pty) Ltd Abstract This paper examines the new water-hydraulic (hydropowered) drill rigs that have been …

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Major Mines & Projects | Masimong Mine

Production is hosted within two quartz pebble conglomerate bodies, developed above unconformity surfaces, the Basal and the B reefs. Approximately 80% of the centares (1 centare = 1 square metre) are from the Basal Reef horizon and 20% from the Basal B Reef horizon.

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Review of mechanization within Lonmin

The narrow tabular hard rock reef environment has proven to provide multiple challenges to the successful application of mechanized mining methods. This paper reviews the ... In 2004 Lonmin embarked on an aggressive strategy to achieve 50% of reef production using mechanized mining methods. At the end of 2008, a decision was made not to 'bet ...

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A hard rock narrow reef mining machine—ARM 1100

A HARD ROCK NARROW REEF MINING MACHINE—ARM 1100 207 Introduction During the last thirty to forty years, major efforts have been made to mechanize the South African hard rock mining ... The depth of cut largely dictates the production performance of the machine and that in turn is controlled by the rock failure mechanism. By varying depth of ...

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Hard-rock room and pillar mining best practice …

definition; however, room and pillar mining as practised in the narrow reef hard rock mines in Southern Africa is not so simple. In recognition of the complexity of hard-rock room and pillar mining, the mining industry sponsors of the Centre for Mechanized Mining Systems at Wits University requested that the Centre design and facilitate a Best

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Review of mechanization within Lonmin

The narrow tabular hard rock reef environment has proven to provide multiple challenges to the successful application of mechanized mining methods. This paper reviews the lessons learnt to …

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MECHANIZING NARROW, TABULAR REEFS IN THE …

players involved in the mechanisation of narrow, reef mining, it was possible to establish several key areas of development. OBJECTIVES OF THE ANALYSIS • Understand the perceptions …

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v117n3a8 Narrow-reef mechanized mining layout at …

ULP mining below 400 m utilizing the narrow-reef mechanized mining layout has been shown to create signifi-cantly more value from both a financial and an operational perspective, due to the extraction ratios that can be achieved using these methods coupled with the overall efficiencies (>4000 m2 production per month) of the XLP/ULP equipment.

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THE USE OF HIGH-PRESSURE, WATER-HYDRAULIC …

The Southern African Institute of Mining and Metallurgy Platinum 2012 1017 P. Fraser THE USE OF HIGH-PRESSURE, WATER-HYDRAULIC (HYDROPOWER) TECHNOLOGY IN SOUTH AFRICAN NARROW-REEF HARD-ROCK MINES P. Fraser Hydro Power Equipment (Pty) Ltd Abstract ... The UniRig shown in Figures 2 and 3 is designed as a single rig capable of both …

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Narrow-reef mechanized mining layout at Anglo American …

Narrow-reef mechanized mining layout. The mine layout is based on a pre-developed seven-panel strike section that is mined from either side of each raiseline (scattered breast mining) and is …

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