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Structural Controls on Gold Deposition in the Hyde-Macraes Shear Zone at Round Hill, Otago, New Zealand
The Hyde-Macraes Shear Zone (HMSZ) is low angle, duplex thrust system that has developed in a graphitic pelite schist within the Otago schist belt,
Jan 1, 1993
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Advanced Jig Separation of Shredded Plastics
Advanced Jig Separation of Shredded Plastics The authors have reported that the RETAC jig is very useful in separating relatively low density particles such as plastics, and demonstrated that highly
Sep 13, 2010
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Reducing Bench Turnover Time and Improving Shovel Digability
By D Kavanagh, C Michaud
"A continuous improvement initiative was identified at Kalgoorlie Consolidated Gold Mine’s (KCGM) Fimiston open pit with the goal of reducing bench turnover time and increasing shovel digability by im
Nov 15, 2016
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Experimental Study of Ore Characterisation Methods for AG/SAG Mills
Experimental Study of Ore Characterisation Methods for AG/SAG Mills Mining companies have long recognised the importance of ore breakage characterisation in design and optimisation of their crushing
Sep 13, 2010
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Seamgas Parameters of the Kupakupa Seam, Huntly West Mine
By W E. Vance, B H. Ashton
The emission of seam gases into underground workings in coal mines is acknowledged as a major hazard, particularly methane due to its possible ignition. Acknowledge of seam gas parameters is important
Jan 1, 1991
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Lithological Controls on Mineralisation in East Otago Gold Deposits
East Otago gold deposits are hosted in Otago Schist that is the metamorphosed equivalent of Permian-Triassic Torlesse terrane greywackes. Relatively undeformed Torlesse sequences in Canterbury have &l
Jan 1, 2001
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The Use of DMS Plants Versus Other Types of Plants for Diamond Recovery
It should be stating the æbleeding obviousÆ to say that the most efficient method of recovery must be used during the testing and evaluation phases of an orebody. Furthermore, the company will be lite
Jan 1, 2004
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Exploration and Assessment of the Central Otago Lignite Deposits
Three large deposits of good quality lignite were located and delineated in the Central Otago region between October 1978 and July 1979. The program was initiated and funded by Mines Division of the M
Jan 1, 1983
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Making the Numbers Add Up
By A Kitchen
For the past decade, demand for Australian resources has reached unprecedented levels, thanks mainly to the emerging superpowers of China and India. Meeting demand has meant miners and governments ali
Jan 1, 2009
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High Sulfidation Alteration at the Island Copper Porphyry Copper Deposit, Vancouver Island, Canada
By S F. Simmons, J Fleming
Alteration and mineralisation at the Island Copper deposit is related to the intrusion of Early Jurassic quartz feldspar porphyry dykes into surrounding comagmatic Bonanza volcanic rocks. The pyrophyi
Jan 1, 1995
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Plastics recycling and sampling
By S C. Dominy
This contribution examines the effect of feedstock sampling before the sorting stage of polyethylene terephtalate (PET) bottle recycling. Batches of waste PET bottles may contain non-PET bottles which
May 9, 2017
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Distribution of Settling Velocity of Irregular Particles and its Effect on Jig Separation Efficiency
Distribution of Settling Velocity of Irregular Particles and its Effect on Jig Separation Efficiency
Sep 13, 2010
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Theory of Safe and Efficient Co-extraction of Coal and Gas and its Applications
By J-T Zhu, Q-Y Tu, S-L Kong, L Wang, Y-P Cheng, H-Y Liu, Q-L Yang
China is the largest coal-producing country in the world, while the geological conditions of deep coal mining are extremely complicated with high ground stress, high gas pressure and low permeability,
Aug 31, 2015
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Application of Synthetic Aperture Radar Imagery to Geological Mapping
Radio Detection and Ranging is an active form of remote sensing. The-imaging system sends out a source of electromagnetic energy to 'illuminate' the terrain and then records the energy retur
Jan 1, 1986
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Back to the Future - Why Change Doesn't Necessarily Mean Progress
By P A. Tilyard
There have been enormous changes in mineral processing in the past four decades. For example grinding mill power has increased by an order of magnitude, regrinding is done to -10 microns and flotation
Jan 1, 2009
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The Formation of Banded Epithermal Quartz Veins at the Golden Cross Mine, Waihi, New Zealand
By G B. Arehart, S J. Mathews, J L. Mauk
The banded nature of the quartz veins which form the Empire lode at the Golden Cross mine, is perhaps their most striking feature. Petrographic studies show that significant differences occur between
Jan 1, 1995
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Rapid and reliable flow property testing – a modified uniaxial approach
By K Williams, W Chen, J Miller
The flow function of an iron ore material governs its flowability characteristics in material handling chains within the resource industry. A uniaxial compression test is able to obtain a flow functio
Jul 24, 2017
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Base Metal Marketing ù Prices, Contracts and Counterparties
By M Fewings
This paper casts a light on the sometimes murky world that lies between base metals product æout the gateÆ, and money in the bank. Whether your base metals are leaving the mine as a refined product, o
Jan 1, 2006
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Comparing Energy Efficiency of Multi-Pass High Pressure Grinding Roll (HPGR) Circuits
Comparing Energy Efficiency of Multi-Pass High Pressure Grinding Roll (HPGR) Circuits With increased emphasis on reducing costs and carbon emissions in mineral processing, it is becoming essential to
Sep 13, 2010
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Analysis ofindividual - mesh iron ore samples in a single Scanning electron microscope automated mineralogy session
By D C. Grant, D J. Goudie, E Baird
The Scanning Electron Microscope – Mineral Liberation Analyzer (SEM-MLA) laboratory, as part of the Core Research Equipment and Instrument Training (CREAIT) network of laboratories at Memorial Univers
Jul 24, 2017