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The Utilization Of Coarse Pre-Concentration Rejects In The Preparation Of Underground Backfills At Xstrata Nickel?s Ontario Operations
By T. Weatherwax
As part of a strategic research initiative at UBC to design and evaluate integrated underground mining and mineral processing systems, work has been done to determine how to utilize the coarse rejects
Jan 1, 2008
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Hourly Ownership and Operating Cost Projection - Rubber Tyred Loaders
Underground equipment owners and users in order to compete and succeed in being viable business propositions must continually balance costs with productivity. By reducing their hourly ownership, ope
Jan 1, 1990
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Remote Real-Time Tire Monitoring in Open Pit Mines
By Joel T. Werner
Tire costs represent one of the highest controllable costs in open-pit mining, accounting for approximately 10% of mining costs. Tire monitoring technology has evolved rapidly in recent years and is e
May 1, 2002
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Strategies for Mining in the Vicinity of the Creighton Fault at Vale?s Copper Cliff Mine
By Mehdi Razavi
Scope of the Study The possibility and risk associated with mining two stopes at the same time The influence of Creighton Fault on the stability and dilution The effect of irregular shape of stope
Oct 1, 2010
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Permitting in mining projects and their challenges in Perú
By Miguel Gutiérrez
This paper will seek to provide an awareness of the challenges the permitting process presents to the engineering design for open pit mining projects in Perú. This awareness will create a better under
Sep 21, 2013
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Dense Medium Separation – An Effective and Robust Pre-Concentration Technology
By Erin Legault Seguin, Mike Rylatt, Curtis Mohns
"With energy costs increasing and ore grades diminishing, the role of pre-concentration in hard rock mining operations has been gaining greater interest. To maximize energy conservation, the pre-conce
Jan 1, 2016
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Stability Investigations In Three-Dimensions Around A Tunnel In A Metal Mine In China
By P. H. S. W. Kulatilake
To exploit an underground mine effectively and safely, it is important to have a good understanding of the geotechnical behavior around underground excavations made in the mine. The aim of this study
Jan 1, 2012
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The Effect of Interrupted Irrigation on Copper Release and Bacterial Activity During Leaching of Chalcopyrite Ore
By Peddie F, Low K, Madgwick J, Rajoka M. I, Gutierrez N, Lim C
Percolation irrigation of low-grade quartz feldspar porphyry ore with pH 2.0 H2SO4 at 510 litres/m2/day using particle sizes 1.7 - 6.7 mm in columns measuring 5 cm dia × 126 cm long was used to s
Jan 1, 1981
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Manufacture of High Nitrogen Austenitic Stainless Steels by Pressurized Electroslag Remelting
By Zhouhua Jinag
The attempt has been made to manufacture high nitrogen austenitic stainless steels by pressurized electro-slag remelting furnace with maximum nitrogen pressure of 7MPa. To obtain high nitrogen content
Jan 1, 2009
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The Wellington Lake Power Project
By E. M. Stiles
THE Wellington Lake power plant of the Consolidated Mining and Smelting Company of Canada, Limited, about 25 miles from Goldfields, Saskatchewan, is the second hydro-electric project operating in that
Jan 1, 1940
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Performance Of The Lorraine Mine Site Cover To Limit Oxygen Migration
By Bruno Bussière, Michel Aubertin, Anne-Marie Dagenais, Johanne Cyr
A five steps remediation program was commissioned in 1998 for the acid generating Lorraine mine site, located in the Témiscamingue region, Quebec, Canada. It included, as the main expenditure, a cover
Jan 1, 2005
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Approaches To Improve Safety And Recover Lost Productivities In Vertical Shaft Sinking By Making Use Of Industrial Engineering And Risk Driven 3-D Modelling Techniques - 1. Synopsis
By T. E. Wakefield
Over several decades in Southern Africa the advance rates when sinking vertical shafts have declined significantly. The upside has been a substantial improvement in shaft bottom conditions and a comm
Jan 1, 2009
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Operation of the sluice box under conditions of low water flow
Small scale gold mining operations in Papua New Guinea (PNG) have been observed to use very low flow rates of water in sluice boxes. In a series of laboratory experiments carried out to determine whet
Jan 1, 1986
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Fire and Life Safety - The EastLink Perspective
By C MacDonald
There are many technologies available today in terms of fire and life safety in road tunnels. So many in fact that it is becoming more and more difficult for clients and contractors alike to determine
Jan 1, 2008
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Immediate Internet distribution of vibration data from the historic Byward Market, Ottawa, Canada
By Robert Lee, Jeff Corace, Rob Cyr
Blasting in the heart of the historic Byward Market District of Canada’s capital, Ottawa, presents a unique set of challenges. The obvious difficulties arising on projects requiring blasting within 3
Jan 1, 2006
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Variations between Tectono-Sedimentary regimes during collision zone evolution: The Markham Suture Zone, Papua New Guinea
By Crook KAW
New sedimentological and biostratigraphic data indicate that the Leron Formation in the Markham Suture Zone, Papua New Guinea (PNG) represented Pleist- ocene alluvial fan-delta deposition in shall
Jan 1, 1991
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Cyanide Treatment in the Metal Finishing Industry
By K. R. Coulter
"Good morning gentlemen. I am very pleased to have this opportunity to tell you a few of the things that happen within a completely unrelated activity, the electroplating industry, except that it does
Jan 1, 1973
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Building A Database For The Prediction Of Phases In Pt-Based Superalloys
By L. A. Cornish, S. N. Prins, R. Süss
The work is being done using the Thermo-CalcTM software, and the database is being built up by obtaining good thermodynamic descriptions of all of the possible phases in the system. The database suppl
Jan 1, 2006
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Factors Influencing Use Of Mineral Admixtures For The Past Decade In The Western US - Preprint 09-081
By G. Hoffman
Sustainable development has brought social, environmental and energy efficiency concerns together with management and governance of natural resources. Cement manufacturing, an energy- and natural reso
Jan 1, 2009
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IC 8926 Minerals Availability Commodity Directory On Phosphate
By Dale R. Spangenberg
This Bureau of Mines Information Circular on phosphate is one of a series of minerals availability commodity directories. Nonconfidential information from the Minerals Availability Program data base c
Jan 1, 1983