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Dynamic grade control modelling processes at the Waihi Underground Gold MineBy A Whaanga, W Vigor-Brown
IGO Ltd’s (IGO’s) Nova-Bollinger Deposit (Nova-Bollinger) is a magmatic nickel-copper-cobalt (NiCu-Co) sulfide deposit found 160 km east-north-east of the town of Norseman in Western Australia (WA). T
Mar 22, 2022
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Improved mining recovery with bulk ore sorting and MR technologyBy C Beal, S Singh
Sensor-based bulk ore sorting is a form of preconcentration that autonomously measures and physically separates discrete bulk ‘pods’ of run of mine (‘ROM’) or primary crushed material. This case study
Nov 10, 2020
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Tailing Thickener Operability and Control Improvements at ProminentáHillBy J Lombardi, M Weidenbach
"OZ MineralsÆ Prominent Hill copper-gold concentrator is located 650 km north-east of Adelaide, 130 km north-east of BHP BillitonÆs Olympic Dam operation and 130 km south-east of the regional township
Oct 29, 2012
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The Application of AS 61508 to Road Tunnel Fire and Life Safety SystemsBy M Taylor
The Project Specification and Technical Requirements documents associated with several recent large road tunnel projects within Australia have specified the application of AS/IEC 61508 – FunctionalSaf
Mar 8, 2011
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Implicit Modelling Applied to Grade Control DataBy J Ireland, S Rose
The main outcomes of mining grade control include defining the boundary between ore and waste and then categorising the ore according to which stockpile it should be sent. A typical workflow includes
Aug 18, 2014
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Granulation Behaviour of Specularite Fines in Ferrous Sinter MixturesBy J Pan, B-J Shi, X-B Li
The granulation behavior of specularite fines which possess poor ballability was studied with limonite fines as a function of nuclei particles and adhering fines. The results show that the permeabilit
Jul 13, 2015
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The Use of Non-destructive Testing to Identify Defective Rock Bolts – A Case StudyBy B Jones, M Chappell
Permanent rock bolts used to support rock tunnels are required to perform for the design life of the structure as a minimum. Quality of installation is critical to the performance over the life of the
Sep 17, 2014
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Modified ground support with alternative fill material for ground control at Munsar underground manganese mine of MOIL Limited, IndiaBy M Chaudhari, G Manekar, D Shome
MOIL Limited is operating 7 underground and 3 opencast mines in central India and producing annually more than 1.2 million tonnes of various grades of manganese ore. The underground mines are operatin
Nov 30, 2018
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DeGrussa Copper Mine – mine closure experienceBy M Bellamy
The DeGrussa copper deposit was discovered by Sandfire Resources in April 2009. Construction of the 1.6 Mt/a concentrator, open pit and underground mining operations commenced in March 2011 with first
Mar 29, 2023
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Flotation machine gas characterisation – variation between different types of flotation machinesBy D Felipe, G J. Harbort
In the past 40 years substantial changes have occurred in flotation machines. This has included increases in mechanical cell size to 630 m3 , significant changes to flotation column aeration design
Aug 24, 2022
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The Ore-Deposits of Captain's Flat, New South WalesThe revival of the mining industry at Captain's Flat after a long period of years of inactivity has attracted attention to the importance of the ore-deposits of that field as potential sources of
Jan 1, 1941
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SBRE – a simple, flexible and scalable framework to perform conditional simulations for uncertainty quantificationBy J Ashford, Minniakhmetov
Geostatistical simulations are the best practice for uncertainty quantification in non-linear systems. Simulations are currently undertaken on an ad hoc basis in the mining industry due to high requir
Mar 22, 2022
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Unlocking resource confidence in coal through use of conditional simulationBy B Haase, R Saha
Conditional simulation (CS) has been extensively used in metal industry to assess uncertainty of geo metallurgical variables to build robust distributions around grade tonnages across different time h
Mar 22, 2022
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Chirano Gold Mine Expansion – A Case StudyBy S Ellis
In January 2008 Chirano Gold Mines Limited committed to expansion of the Chirano Gold Project from its existing design capacity of 2 Mtpa ROM ore to a new design value of 3.5 Mtpa. In addition to incr
Aug 8, 2011
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Dry versus Wet Magnetic Separation – Horses for CoursesBy J Elder
Magnetic separation equipment has long been used to upgrade and beneficiate a wide variety of minerals and materials. Over the years, significant advances in both wet and dry magnetic separators have
Oct 5, 2011
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Addressing challenging applications of intensive cyanidation in gravity gold recoveryBy J Carrillo, A King
Gravity recoverable gold (GRG) is largely distinguished from other gold by its non-mineralised, metallic form, its high degree of liberation from the ore and its appreciable particle size. The gold mi
Aug 29, 2018
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Interactive Modelling and Visualisation of Large Deposits Using Linear OctreesLarge deposits present computational challenges to todayÆs commercial orebody modelling systems that are based on conventional block models. We describe a system that is specifically engineered to mod
Sep 26, 2011
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New Continuous Production System in Block Cave Mining – the Rock Flow SystemBy M Frenzel
At the last MassMin Conference in Sudbury, Caterpillar’s vision of a continuous mining concept for block caving operations was presented on the background of global raw material demand and its continu
May 9, 2016
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Starter dyke optimisation with Muk3D and GoldSimBy C A. Cooper, G A. Suter
The sizing of a starter dam for a Tailings Storage Facility (TSF) involves balancing many competing demands. It should cost as little as possible, be high enough to store tailings until the first rai
Jul 23, 2018
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Stakeholder Engagement – Who Are You, What Do You Stand for and Why?By R M. Lonsdale, M D. Goodz
"With an ever-increasing dynamic business environment, successful stakeholder engagement is becoming more fundamental to achieving desired outcomes in today’s mineral resource industries. It is impera
Jun 22, 2016