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Tunnelling in Horizontally Laminated Ground
By Matthew A. Perras
With growing populations, infrastructure projects are utilizing underground space to expand transportation networks, water supply and sewer disposal systems and hydropower facilities. These new projec
May 1, 2009
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Potash Processing in Saskatchewan - An Update.
By Carlos F. Perucca
"Potassium is one of the three basic plant nutrients along with nitrogen and phosphorus. There is no substitute for potassium compounds in agriculture; they are essential to maintain and expand food p
Jan 1, 2003
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Improving Sulphide Recoveries in Complex Gold Ore Bodies Using Cost Effective Pre-Concentration by Gravity
By Yaw Boadi, Andrew McCallum, Sandy Gray, Yavuz Atasoy, Peter Wemyss
"Various full-scale test programs and installations of the InLine Pressure Jig (IPJ) have provided evidence that pre-concentration of the difficult to leach sulphide mineral through gravity can provid
Jan 1, 2004
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Improving Fine Particle Gravity Recovery through Equipment Behavior Modification
By Claude Deveau
"Studies on the performance of Falcon batch type concentrators treating ultrafine tantalum at Tanco have revealed that very fine heavy minerals are concentrated within certain areas of the concentrate
Jan 1, 2006
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Formation of Schwertmannite-Like and Scorodite-Like Coatings on Pyrite and its Implications in Acid Mine Drainage Control
By N. Hiroyoshi, R. D. Corpuz, M. Ito, Hokkaido University, C. B. Tabelin, S. Veerawattananun
"Acid mine drainage (AMD), the very acidic and heavy metal-contaminated leachate generated when pyrite-bearing rocks are exposed to surface oxidizing conditions, is a serious environmental problem enc
Jan 1, 2016
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Hydrochloric acid leaching of an Elliot Lake uranium ore
By G. M. Ritcey, K. E. Haque, S. H. Lucas
"Laboratory-scale hydrochloric acid leach tests were conducted on an Elliot Lake uranium ore. Hydrochloric acid leaches without an oxidant or with molecular oxygen (i.e., air or pure oxygen gas) as an
Jan 1, 1980
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Hydrochloric acid leaching of an Elliot Lake uranium ore (13a41608-dfe4-4266-9026-6b4afd0847bf)
By G. M. Ritcey, K. E. Haque, S. H. Lucas
"Laboratory-scale hydrochloric acid leach tests were conducted on an Elliot Lake uranium ore. Hydrochloric acid leaches without an oxidant or with molecular oxygen (i.e., air or pure oxygen gas) as an
Jan 1, 1980
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Stope Stability Monitoring at the Goldex Mine
By Patrick Frenette
The Goldex Mine is an underground gold mine using a unique mining method where a single very large stope is being created. In order to maintain stability of the walls and roof of the stope which is 45
May 1, 2011
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Replacement of Classification Screens with Cyclones in the McArthur River Uranium Mine Grinding Circuit
By Ken Dyck, Chuck Edwards
"Cameco's McArthur River is the world's largest high grade uranium mine. Production started in late 1999. Cameco carried out the engineering design and construction management for the McArthur River p
Jan 1, 2004
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Distributions of Flow Characteristics and Physicochemical Properties of Acid Mine Drainage in a Settling Pond
By Dong-kil Lee
Field tests have been conducted to investigate the characteristics of flow and physical chemistry of acid mine drainage(AMD) in the Hwangji-Yuchang settling pond in south Korea. pH and ferrous concent
May 1, 2011
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Regional Issues Working Group
By Bill Almdal
Today?s presentation ? Role of the Regional Issues Working Group ? What does RIWG do? ? How can RIWG?s work benefit Stakeholders? ? Review of forecasts vs. reality ? How have past investment comp
May 1, 2002
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Geophysical Case Study of Shallow and Deep Structures Based on Traditional and Modified Interpretation Methods: Application to Tectonic Studies and Mineral Exploration
By J. Asfahani
"The Schlumberger configuration used in geoelectrical sounding is slightly adapted here to obtain reliable data for both shallow and deep penetration depths from the same survey. In this configuration
Jan 1, 2009
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An Investigation on Processing Characteristics of Gold Ore Samples from Barry Deposit, Quebec
By S. Kelebek, E. Yalcin
"Two composite samples of a gold-bearing ore from North Western Quebec (Barry Township) were tested to assess their grindability, recovery by flotation and Knelson concentrator as well as extraction u
Jan 1, 2008
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Slurry Pump and Pipeline Performance Testing at the Georgia Iron Works Hydraulic Laboratory
By G. R. Addie
"In February, 1975, the President of Georgia Iron Works Company, Mr. Tom Hagler decided to build a new hydraulic laboratory to water performance test all of the companies' centrifugal slurry pumps.Equ
Jan 1, 1980
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Techno-economic evaluation of thiosalt treatment processes
By K. G. Wheeland, J. E. Dutrizac, M. Wasserlauf, A. A. Condy
Numerous processes for the treatment of thiosalts in base metal milling effluents have been examined in the past decade. Flowsheets for thirteen processes are outlined, and cost estimates are presente
Jan 1, 1988
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Diggability of plains overburden with bucketwheel excavators
By A. M. Krzanowski, T. S. Golosinski
"This paper presents results of a study undertaken to determinethe feasibility of mining plains overburdens with bucket wheel excavators. Based on extensive geotechnical testing of overburdens under s
Jan 1, 1987
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Developments in Fine Gravity Concentration Using the Bartles-Mozley Table
By R. O. Burt, D. J. Ottley
"SYNOPSISRecent developments in the use of the Bartles-Mozley table and the Bartles CTS screen are described for the gravity preconcentration of fine heavy mineral and metal particles present in low g
Jan 1, 1973
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The Afton Concentrator
By J. Lovering, M. Allan
"INTRODUCTIONThe Afton Mines property is located 180 air miles east-northeast of Vancouver and nine miles west of Kamloops, a city of 60,000 people in south central British Columbia. The deposit is lo
Jan 1, 1979
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Implementing Safe Production at Kittilä Mine
The information in this document has been prepared as at February 16, 2011. Certain statements contained in this document constitute ?forward-looking statements? within the meaning of the United State
May 1, 2011
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Co-Dependencies in Copper: Production, Price and Innovation Trends 1900–2018
By Andrew Bamber
Between the early 20th Century and the present, the production of mined copper ore has increased from tens of millions of tonnes per annum to several billion tonnes per annum, an unprecedented increas
Jan 1, 2019