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Gold Deposits of the Russian North East (The Northern Circum Pacific): Metallogenic OverviewNorth Eastern Russia encompasses the northern part of the Circum Pacific. The region comprises various tectonostratigraphic terranes, including cratonic blocks, fragments of volcanic arcs, accretionar
Jan 1, 1999
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Characterisation of Gold Ores by X-Ray Computed Tomography – Part 2: Applications to the Determination of Gold Particle Size and DistributionBy S C. Dominy
For any gold deposit-based geometallurgical study, the collection and processing of representative samples for gold grade and recovery tests is critical. Sampling protocols should be designed to suit
Sep 5, 2011
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A standardised method for the precise quantification of practical minimum comminution energyBy D K. Weatherley, G R. Ballantyne, S Ali, M Yahyaei, M S. Powell
This paper explores development of a novel ore characterisation method for the precise measurement of practical minimum comminution energy. A monolayer of particles with a narrow size distribution is
Aug 24, 2022
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Pyrometallurgical treatment of nickel smelting slag with biocharBy L Klemettinen, A Jokilaakso, D Attah-Kyei, P Taskinen, M Tiljander, D Sukhomlinov, D Lindberg
In this study, the use of carbon neutral biochars as reducing agents in the pyrometallurgical treatment of nickel slag was investigated at 1400°C in order to recover valuable elements such as copper a
Jun 19, 2024
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Pre-concentration via waste rejection based on fragment size – Olympic Dam case studyBy K Ehrig, V Liebezeit, Y Li, B Pewkliang, M Smith, E Macmillan
Pre-concentration of low grade ores via the rejection of low/no value materials based on fragment size is the subject of many published papers and studies over the past decade. However, the possibilit
Nov 10, 2020
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The Konongo Gold Project, Ghana – An Example of How Geology Makes All the Difference to a Resource EstimateBy R Sterk, B Reid
The Konongo Gold Project is located on the western margin of the 125 Moz Ashanti Gold Belt in Ghana, West Africa. It is situated 60 km along strike of the world-class mineral system at Obuasi and is i
Aug 18, 2014
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The Strength Properties of Fibreglass and Other Polymer-based Dowels for Strata Reinforcement in CoalminesBy A Mirzaghorbnali, D Gilbert, R Burton, J Nemcik, N Aziz
Glass-reinforced polymer bolts, commonly known as fibreglass dowels and fibre-reinforced polymer or plastic bolts or plastic dowels are increasingly applied for strata reinforcement in mines as well a
Nov 5, 2014
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Geothermal gradient determination for ventilation and air conditioning modelling at Malmberget MineBy F K. R Klose
Malmberget is a sublevel caving mine owned and operated by Luossavaara-Kiirunavaara Aktiebolag (LKAB), a Swedish state-owned iron ore mining company, in northern Sweden. The mine has an annual iron or
Oct 12, 2022
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Sunrise Dam Short- to Long-Term Ventilation PlanningBy M Podreka, P Merry, L van den Berg
Anglo Gold AshantiÆs Sunrise Dam operation is located in Western Australia approximately 55 km south of the town of Laverton. Currently, the mine is producing from both its open pit and underground op
Jul 1, 2013
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Ejector Refrigeration Systems for Chilled Water Using High-Pressure Water as the Motive FluidBy T J. Sheer
Water vapour refrigeration (systems using water as the refrigerant) could potentially be used to provide chilled water at underground locations in mines, as an alternative to conventional refrigerator
Jan 1, 2005
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The Potential for Backfill in Highwall Mining (7bcc6ff0-6f9e-4f39-8e8f-1dbb9d479afe)By Boyd GL
Backfill applied to highwall mining is foreseen as a means to increase recovery of mineable coal to levels comparable with underground longwall mining. This paper describes the progress of research
Jan 1, 1998
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Effect of solid-solved FeO and MnO on hydration of free MgO in steelmaking slagBy N Kado, T Iwama, R Inoue, S Ueda
Steelmaking slags are usually used as roadbed and civil engineering materials. However, the expansion phenomenon, which is caused by the volume expansion during hydration of free CaO and free MgO cont
Jun 19, 2024
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Applications of Fine Screens in Grinding CircuitsBy J E. Wheeler, S B. Valine, L G. Albuquerque
It has long been known that closed circuit grinding with a classifier improves grinding efficiency, reduces unit specific power consumption, and reduces over grinding. The classification device remove
Oct 29, 2012
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Modelling of Near-Source Dust Dispersal From Surface Mine Blasting in Weak Wind and Tropical ConditionsBy S Bhandari
This paper is a step in the direction of developing a computer model of the near source dispersal of suspended particulate matter (SPM) in planetary boundary layer (PBL). Since Surface Mine blasting i
Jan 1, 2001
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Underground Auxiliary Ventilation Monitoring and Diagnostic SystemBy S Viviers, G Ratner
Ventilation is part of all underground mine operations and is undertaken in order to introduce fresh, cool air to the workings and to remove stale, affected air. It is problematic to obtain efficient
Jul 1, 2013
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Silica Control During Zinc Calcine Leacing at Cominco's Trail OperationsBy Jankola W. A, Delong O. J
Historically, the silica content of zinc concentrates treated at Cominco's Trail Operations has been low. Silica in the roaster calcine seldom exceeded 1.5 per cent because of the low silica co
Jan 1, 1993
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Two-Dimensional, Evaporative Flux Cover/Cap Analysis for Prevention of Acid Mine DrainageBy J Krahn
In designing climate exposed soil structures such as caps and covers over mine waste it is necessary to include the wetting and drying influences of the local climate in order to accurately predict th
Jan 1, 2003
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Processing of Magnetite Iron Ores - Comparing Grinding OptionsBy A Jankovic, D David, P Payne
Although the majority of current steel production is supported by iron ore sourced from high-grade haematite deposits, the long-term growing demand for steel has led to higher raw material prices and
Jan 1, 2009
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Short description of the method of discharging and sampling ore receivedBy T
THE Sulphide Corporation's works for the smelting of ores containing lead, gold, and silver are situated close to the Cockle Creek railway station, on the main Northern railway line, and are abou
Jan 1, 1918
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An assessment of battery trolley systems’ performance in surface minesBy H Bao, M Nehring, M Kizil, P Knights
The mining sector, a notably energy-intensive industry worldwide, is a major consumer of fossil fuels, leading to significant carbon emissions globally. The move towards electrification, coupled with
Sep 1, 2024