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Paracatu Gold Mine - Successful Processing of a Large Low-Grade Ore BodyBy Wayne Phillips, Anatalia Silva, Robert Henderson, Tondo. Luis
"Kinross’ Paracatu Mine has 20 years of operational success as one of the lowest grade milloperated gold mines in the world. At year end 2005, Paracatu’s Proven and Probable Reserves were 1.18 billion
Jan 1, 2007
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RI 4415 Investigation Of Zinc-Lead Deposits On Extensions Of The Miami Trough, Ottawa County, Okla., And Cherokee County, Kans.By Clinton C. Knox
Attention of mine operators and engineers in the Picher zinc-lead field has been drawn increasingly in recent years to marginal ore deposits lying at greater than normal depth below surface in the mar
Jan 1, 1949
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Dust Exhaust System For Auger Miners - Objective:Reduce respirable dust exposure of workmen operating auger-type continuous mining machines. Approach: An auger miner was fitted with an exhaust system which draws dust laden air through a [scru
Jan 1, 1976
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The Approach to Process Improvements at Brunswick MineBy Chris Larsen, Carole Fortin, Dave Scott, Curtis Deredin, Ian Orford, Jean Guy Gauthier, Andy Trusiak, Lyne Côté, Mike Cooper
"Upon successful commissioning of the Stage Grinding Project (Cormier et. al., 2002), process improvements predicted through pilot plant testing were obtained in several flotation circuits, resulting
Jan 1, 2005
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Borehole hoisting at Sherritt's Fox MineBy J. G. Kelly, C. P. Brown
"In June 1983 a new borehole hoisting system was commissioned at Sherritt Gordon's Fox Mine. Twelve hundred tons-per-day of ore from the 2600 and 2800 levels are being hoisted to the 2000 level t
Jan 1, 1985
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Cabs With Powered Height Adjustment (Rail Mounted) - ObjectiveProvide optimum visibility of mining operations while maintaining protection and comfort for ma-chine operators. Approach Cabs and canopies with hydraulically powered variable-height control w
Jan 1, 1978
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Chemical Cyanide Destruction Process Selection Based on Laboratory TestingBy R. Agius, A. Nacu
"Cyanide destruction technologies are implemented at gold and silver operations to comply with the International Cyanide Management Code and meet ever more stringent discharge limits. Currently, the m
Jan 1, 2017
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The Fundamental Relationship Between Sample Mass and Sampling Variance in Real Geological Samples and Corresponding Statistical Models"In mineral exploration and mining applications, it is sometimes necessary to reduce sampling error in order to improve representivity of individual sample assays. Historic efforts to reduce sampling
Jan 1, 2007
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Nature And Functions Of A Geotechnical Consulting Firm ? SynopsisBy D. V. Roberts
Approximately 800 private consulting engineering firms in America specialize in geotechnical engineering. The gross income from these firms totals about $500 to $600 million per year. Sixty-five to se
Jan 1, 2010
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The McClean Lake Operation COGEMA Resources Inc. JEB Mill Process Description and CommissioningBy Art Carino
"The McClean Lake operation is located in the Eastern Shore of the Athabasca Basin in northern Saskatchewan some 700-air kilometers north of Saskatoon. It is operated by Cogema Resources Inc., the maj
Jan 1, 2001
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The Utilisation of Pyrites in Pulp and Acid ManufactureBy Horace Freeman
The sulphur consumed in Canadian pulp mills and acid plants is worth approximately three million dollars annually and amounts to one hundred and fifty thousand long tons, all of which is imported from
Jan 1, 1930
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OFR-37-75 Electromagnetic Noise In Grace MineBy J. W. Adams
Two different techniques were wed to make measurements of the absolute value of electromagnetic noise in an operating hardrock mine, Grace Mine, located near Morgantown, Pennsylvania. Diesel-powered h
Jan 1, 1974
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Water: An Increasingly Valuable and Challenging Resource for the Mining and Metallurgical Industry to Manage EffectivelyBy Ram V. Ramachandran
As an industry with major potential impacts (both good and bad) on water resources and due to the rising costs of process water, the mining and metallurgical processing industry has a key responsibili
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Discussion Of The Papers Presented At The Salt Lake City Meeting, September, 1925CONTENTS PAGE ANDERSON, ARVID E., and CAMERON, FRANK K.-Recovery of Copper by Leaching, Ohio Copper Co. of Utah. Discussed by Thomas B. Brighton, H. C. Goodrich, Arvid E. Anderson, Thos. P. Billings
Jan 12, 1925
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RI 2852 Consumption Of Reagents Used In Flotation, 1926By Thomas Varley
During the past few years, since flotation has become the paramount treatment method for most all kinds of ores, the Bureau has gathered the data on consumption of reagents used in the flotation treat
Jan 1, 1928
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Micropile-Supported Wall To Resist Lateral Deflection Of Existing Railroad Bridge AbutmentBy Samer R. Rabab?ah
As part of the PHX Sky TrainTM project at Phoenix Sky Harbor International Airport in Phoenix, Arizona, the existing traffic lanes at the 44th Street underpass below the Union Pacific Railroad (UPRR)
Jan 1, 2011
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RI 7298 Effect Of Increasing End Constraint On The Compressive Strength Of Model Rock PillarsBy Clarence O. Babcock
Model pillars of limestone, marble, sandstone, and granite with length-to-diameter (L/D) ratios of 3, 2, 1, 0.5, and 0.25 (0.286 for granite) were tested to failure in axial compression to determine t
Jan 1, 1969
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Deep Foundations In Washington, DCBy Douglas W. Christie
Deep foundations in Washington, DC have played a role in the city?s development since the 19th century. Designers of government and commercial buildings sought deep foundations initially to minimize
Jan 1, 2006
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Simulation of the mechanical behaviour of a fracture in shear: implication of the distribution of the void spaceBy J. Riss, S. Gentier, A. Marache
The study of the hydromechanical behaviour of fractured rock masses requires a detailed knowledge of the isolated fractures. The aim of the paper is the simulation of the evolution of the void space,
Jan 1, 2003
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Controle Automatizado De Materiais ProgramadosBy Leandro Carrijo Gomes
O grande desafio para as empresas, principalmente as de grande porte, é ter controles desenvolvidos e simplificados de seus processos eliminando as vulnerabilidades encontradas, aumentando a produtivi
Aug 17, 2017