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Improving Double Bench Face Performance at the Ekati Diamond MineTM Site
By Judy K. Todd
Double benching has been utilized as an excavation technique in open pit mines for many years. This process involves drilling, blasting, and excavating the material for the design bench height. A seco
May 1, 2002
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K-Ar and Rb-Sr dating and the genesis of tungsten at the Clea tungsten skarn property, Selwyn Mountains, Yukon Territory
By K. M. Tompson, R. L. Armstrong, C. I. Godwin
"Tungsten skarn deposits on the Clea property in the Selwyn Mountains, Y. T., are related genetically to a quartz monzonite stock, about 500 metres in diameter at the surface. Lower Paleozoic sediment
Jan 1, 1980
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Guidelines for Implementing 3d Modeling in a Multi-Disciplinary Mining Organization
By C. L. Popp
The scope is to address issues confronted by parties in the mining industry such as: Mine planners, survey and engineering departments, field teams and subcontractors. Describing approaches and best p
May 1, 2013
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Failure Mechanisms in Thermo-Mechanical Fatigue of DS Superalloy Rene 80
By E. O. Abrokwah
Directionally solidified (DS) Rene 80 Superalloy was tested in thermo-mechanical fatigue (TMF) over the temperature range 500-900°C and plastic strain levels from 0.2 to 0.8% using a DSI Gleeble therm
Jan 1, 2011
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Mapping mining-induced subsidence from space in a hard rock mine: Example of SAR interferometry application at Kiruna mine
By E. Henry, C. Mayer, H. Rott
Hangingwall deformation monitoring at Kiruna mine is a major concern for Luossavaara- Kiirunavaara AB (LKAB) since underground production is deepening toward the town of Kiruna. In the quest for more
Jan 1, 2004
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Bench-scale simulation of flotation plant performance
By Stratton-Crawley R., G. E. Agar
"A study has been done of the scale-up of laboratory bench-scale flotation to continuous plant circuit performance. It was found that the impellor speed and the air flow rate influenced the results an
Jan 1, 1982
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Innovative Perspectives on Effective Development Methods for Mining Processing Plants
By Thomas Glück
Established and emerging mining companies face significant challenges in managing their operations and projects. Outcomes often do not meet the expectations of all the stakeholders of particular devel
Jan 1, 2015
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The effect of acidity ’at temperature’ on the morphology of precipitates and scale during sulphuric acid pressure leaching of laterites
By D. H. Rubisov, V. G. Papangelakis
Sulphuric acid pressure leaching is the process of choice to recover nickel and cobalt from laterites with variable iron and magnesium contents. The latter influences the acidity levels required for e
Jan 1, 2000
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Innovations and Breakthroughs in Mineral processing that have shaped the Existing Mining Industry
By B. K. Gorain
"As mining has evolved over a century, so are the challenges associated with mining. Mining of complex ore bodies at greater depths is a major challenge requiring high capital and operating costs due
Jan 1, 2016
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Diagnosis of the Operation of a Hydraulic Classifier for Iron Ore Concentrate
By C. Gosselin, G. M. Payenzo, C. Bazin, M. Desnoyers, G. Chevalier
"ArcelorMittal Mines Canada operates hydraulic classifiers to reduce the silica content of an iron oxide concentrate from 4.5% to less than 1.2% SiO2. Sampling campaigns were conducted to develop a pr
Jan 1, 2012
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Gowganda Silver Area
By E. S. Moore
"The Centre of the silver-producing section of the Gowganda area lies about 55 miles northwest of Cobalt, and the village of Gowganda is 71 miles by road from New Liskeard. The geological similarities
Jan 1, 1949
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Uppers drilling for mechanized cut-and-fill stoping at Brunswick Mining and Smelting No. 12 Mine
By R. W. Baker
"The development of uppers drilling at Brunswick Mining is reviewed. This paper describes design criteria for drilling patterns and the research required for selection of a suitable drill jumbo. The s
Jan 1, 1988
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Introduction to the SMART Benchmarking Program
By Tom Demorest
SMART is an association of mining companies that meet regularly to coordinate the technology development needed by the mining industry. Since 1995, the member companies and institutions have directed
May 1, 2009
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Design techniques for sublevel caving layouts
By D. A. Trotter, G. J. Goddard
"This paper describes a method of deciding on various design parameters for a sublevel caving layout. Layout design curves are obtained from the output of a computer optimization program. The program
Jan 1, 1981
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25 Years of Collector Development for Sulphide Mineral Flotation
By B. S. Fee, R. R. Klimpel
"Froth flotation is the most widely used and economic means of concentrating metal sulfide ores such as those containing copper, lead, zinc, nickel, molybdenum, and pyrite. Also recoverable are other
Jan 1, 1987
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Navigating Change for Success
By Julie Dénommé
Today few in business would argue with the idea that we are living in a world that is Volatile, Uncertain, Complex, and Ambiguous. Coined VUCA by the US Army War College, these four words define the ?
Oct 1, 2010
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Freeze-Thaw Dewatering of Albian Mature Fine Tailings
By Y. Yhang, D. C. Sego
ABSTRACT This paper evaluates the potential of freeze-thaw dewatering using Albian mature fine tailings (MFT). Freezing tests were first performed to study the effect of freezing rate on dewatering ef
Jan 1, 2014
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The Recovery of Gold From Low Grade and Refractory Ores What's Next?
By P. D. Kondos, J. R. Goode
Given the global inventory of low grade and refractory gold deposits, processes that could turn these challenged deposits into mines are of considerable interest. Such gold deposits have low value and
Jan 1, 2005
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On the aqueous oxidation of polymetallic Cu-Zn-Pb gold-bearing sulphide ore in an autoclave
By R. Vracar, D. Sinadinovic, Ž. Kamberovic
The paper presents a study on the oxidation of polymetallic gold ore by oxygen in an autoclave. It presents optimum parameters of autoclave leaching of sulphide refractory ore in self-generated sulphu
Jan 1, 2001
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Economic Effects of Gas Export on Alberta
By Hu Harries
WE RECENTLY completed a study for a client, who is an applicant to export gas from the Province of Alberta, on the effects of gas export on Alberta's economy. This study was part of the client&ap
Jan 1, 1958