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Longwall face floor failure assessment using a semi quantitative risk rating methodologyBy S Grimsey, E Janetzki, J Emery
Floor failure on the longwall face is a complex problem due to the dynamic interaction between the surrounding strata and powered roof supports involving multiple variables. It can also be highly prob
Nov 29, 2022
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Comparison of Experiment and Simulation of Blast Loading on the Steel BeamBy A Hosseinzadeh Barforoosh, A Abedi, M Taji
The effect of blast loads on beams is one of the main issues in the analysis of steel structure. In this study, experimental tests on steel beam under blast loading, and also numerical simulation by t
Aug 24, 2015
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Drill hole spacing analysis for classification and cost optimisation – a critical review of techniquesBy J Levett, O Rondon, I Glacken
Reporting Codes are not prescriptive on methodologies to report or classify Mineral Resource Estimation results, but the assessment of risk and uncertainty is required, and is likely to be increasingl
May 24, 2023
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What has the last 100 years taught us about safety?By A G. Guinea
If you were reading this article in a newspaper or similar in the 1800s, you would know that the world was firmly in the grip of the Industrial Revolution. You might have been one of the families that
May 5, 2022
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R&D roadmaps in mining and water management – a design-led approach to driving sustainability and innovationBy M Yadav, K Clode, S Daykin
The mining industry faces numerous challenges related to sustainability and circular economy principles, necessitating strategic approaches to innovation and resource management. As demands for minera
Sep 1, 2024
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Reaping the First Fruits – Infrared Spectroscopy: the New Standard Tool in BHP Billiton Iron Ore ExplorationBy M Haest, O Dominguez, D Mittrup
With the current focus in the mining industry on reducing costs, while simultaneously improving ore quality, infrared spectroscopy is a tool that can potentially assist companies to meet both challeng
Jul 13, 2015
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Journey to the Edge of the Basin - Stratigraphic Setting and Iron Mineralisation at the Davidson Creek and Robertson Range Projects, Hamersley Province,Western AustraliaBy R McCarthy, P Hawke
FerrAus Ltd's Robertson Range and Davidson Creek Projects are located in the Hamersley Province about 100 km east of Newman, Western Australia. Significant iron mineralisation defined by an aggre
Jan 1, 2009
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Fluorine Removal From Ok Tedi Copper/Gold ConcentratesBy J W. Glatthaar, M Mavotoi
The occurrence of fluorine in the copper/gold concentrates produced by Ok Tedi Mining Limited has provided a series of challenges to metallurgists since 1988. Although fluorine is distributed througho
Jan 1, 2003
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Understanding and modelling squeezing ground conditions at the Ballarat Gold MineBy B Roache, A Vakili, R Talebi
When a highly anisotropic or weak rock mass is subjected to high-stress conditions, it can lead to large ongoing deformations or squeezing ground conditions. Squeezing ground conditions can impose inc
Nov 30, 2018
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Improving Excavation Efficiency at the St Helena Tunnel Using Best Practice Drill and Blast TechniquesBy D Miller, M Dowling, R Domotor
"This paper is focused on blasting activities undertaken as part of the Pacific Highway Upgrade – Tintenbar to Ewingsdale – project (T2E). This is a ‘priority 1’ Pacific Highway road construction proj
Sep 17, 2014
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An effective approach to problem solving and decision-making in safety managementBy A K. B Chigwada
Mining organisations grapple with the same problems year after year, wasting incredible amounts of time and money. According to estimates from the International Labour Organization (ILO), over one mil
Apr 16, 2024
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The influence of the strain rate and pre-static stress on the dynamic mechanical properties of medium sandstoneBy S Yang, J Wang, J G. Ning
A series of conventional dynamic uniaxial compression (CDUC) tests and coupled static-dynamic loading (CSDL) tests were conducted using a split Hopkinson pressure bar (SHPB) system to explore the dyna
Nov 29, 2022
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Robust Decision Making û Application to Mine Planning Under Price UncertaintyBy F Grobler
Many projects fail because project performance in unfavourable economic conditions was not anticipated at the investment decision stage. This type of failure may have been avoided through the selectio
Sep 26, 2011
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Managing the Closure and Reopening of the South Ramp at Telfer Gold Mine During Sublevel Cave Breakthrough into the Open PitThe Newcrest Mining Limited Telfer Gold Mine consists of an underground sublevel cave (SLC) operation located 734 m directly below active open pit operations. Open pit and underground current producti
Nov 25, 2010
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Managing steep seam dips and floor shears related dragline bench and lowwall instabilitiesBy J Li, J Regan, D Payne
The Caval Ridge Mine is an open cut coalmine and located within the Bowen Basin region in Central Queensland, and commenced mining and processing operations in 2014. A number of geotechnical challenge
Nov 29, 2022
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Improving crusher throughput using a problematic ore index based on simple, first principles geologyBy T Walton, C Perring, M Pepper, G Gerber
The Yandicoogina Channel Iron Deposit (CID) is an accumulation of iron pisolites cemented by a goethite-rich matrix. The Yandicoogina CID’s are found in a palaeochannel that meanders within a broad st
Mar 22, 2022
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Modern Mining GeologyBy G Fahey, S Rose
"Mining geology as a defined profession is only about 100 years old. The successful modern mine geologist needs to be a multidisciplinarian, but also needs to maintain a focus on the key outputs of th
Aug 18, 2014
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The Use of High Resolution Geophysical Technologies to Map the Base of Ore at BHP Billiton Æs Yandi Channel Iron DepositBy G Hall
BHP BillitonÆs (BHPB) Yandi ore deposit is a channel iron deposit (CID) in the Pilbara district of WA. The ore is predominantly a goethite-hematite pisolite and overlays a clay at the base of the depo
Jan 1, 2002
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Modelling Full-scale Blast Heave with Three-dimensional Distinct Elements and Parallel ProcessingBy A Tawadrous, B Wheeler, D S. Preece, S A. Silling
The two key results of rock blasting are fragmentation and movement of geomaterials. Movement/flow of the blasted rock is often referred to as heave. Moving rock with explosives rather than mechanical
Aug 24, 2015
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Misima Gold Mine – A Case Study in the Use of Historical Data for an Updated Mineral Resource EstimateBy C Switzer, R Logan, S Konopa, P Stoker, R Lewis
"An EXTENDED ABSTRACT is available for download. A full-length paper was not prepared for this presentation. The Misima gold mine, located on Misima Island within the Milne Bay Province of Papua New G
Mar 18, 2015