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Culture, a pillar in your sustainability initiatives
By M. Arias
"An attractive foreign investment legislation, an anti-mining framework in the jurisdiction where a head office is located, the geographical location of the mineral resources, a country that offers th
Jan 1, 2011
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Discussion - Lemniscate-guided powered roof supports adapted for proper operation with the roof on longwall faces (857baea3-2787-49de-993d-00b3908db795)
By J. B. Gwiazda
S.S. Peng The highlights of this paper are : • The shield supports with lemniscate links will exert a tangential force on the roof strata, causing unnecessary and harmful roof movements, thus dama
Jan 12, 1986
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RI 3197 Composition Of The Fractions Of Primary And High-Temperature Tar ? Introduction
By E. B. Kester
A study of the composition of the corresponding fractions of a primary and a high- temperature tar was undertaken to throw light on the net results of the pyrolysis of the primary products of coal dec
Jan 1, 1932
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Miners Get Defensive At 2012 Northwest Mining Association Meeting
Smart defense: that?s what the industry needs to play for the next four years, according to panelists at the 118th Annual Meeting of the Northwest Mining Association (NWMA), which met December 2-7 in
Jan 1, 2013
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Análise Das Perspectivas De Aplicações Das Ligas Com Memória De Forma Por Meio De Levantamento De Patentes
By Murillo Romero da Silva
Ligas com memória de forma (LMFs) são ligas metálicas capazes de recuperar o seu formato e tamanho original após deformação plástica quando aquecidas acima de uma temperatura crítica. Diversos casos d
Aug 17, 2017
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Challenges And Solutions In PGM Furnace Operation: High Matte Temperature And Copper Cooler Corrosion
The key aspects of process metallurgy that distinguish platinum group metal (PGM) concentrate smelting from that of other base metal sulphide concentrates are presented. These differences include cons
Jan 1, 2012
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Detection And Control Of Calcium Sulfate Precipitation In The Lead Circuit Of The Hilton Concentrator Of Mount Isa Mines Limited, Australia
By P. L. M. Wong, N. W. Johnson
Surface analysis by X-Ray Photoelectron Spectroscopy (XPS) of samples taken from the galena flotation section of the Hilton Concentrator of Mount Isa Mines Limited are presented. Flotation rate and pu
Jan 1, 1995
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The Oxidation of Sulphide Minerals in the Sullivan Mine
By B. H. Good
This paper describes the research that has been conducted -in an effort to understand the nature and causes of sulphide fires -in the Sullivan Mine. Results of the investigation have led to several th
Jan 1, 1977
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Two New Structures of Hydroxamate Collectors and Their Application to Ilmenite and Wolframite Flotation
By Brian Hart, Hong Zhong, Liuyin Xia, Kyle Douglas
"The application of hydroxamic acid as flotation collectors is fast becoming of significant interest for the selective flotation of oxide minerals along with upgrading oxidised based metal ores and mi
Jan 1, 2015
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Mount Bischoff Extended Tin Mining Co., Waratah, Tasmania
During August, 1926, with the consent of Mr. Schell, mine manager, the writer conducted a mill test on this company's concentrators. Mr. Schell not only gave him his permission, but rendered all
Jan 1, 1928
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Atomisation As A One Step Process For Hydrometallurgical And Flash Furnace Feed
By David Norval
Ni, Co, Cu and Pt, mattes are common materials that require granulating and milling of the resultant granules for further processing. This route is acceptable if the material is brittle (friable) whi
Jan 1, 2006
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Screen Sizing Of Coal, Ores, And Other Minerals - Introduction - Preliminary Statement
By E. A. Holbrook
The data in this bulletin were obtained during an investigation of screening practice by the University of Illinois engineering experiment station and the United States Bureau of Mines under a coopera
Jan 1, 1925
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Froth flotation's newest machines: How much better are they?
By Peter Amelunxen, Brandon Akerstrom
Since its introduction 40 years ago, the compartmental model of flotation has been used to predict the performance of mechanical flotation cells. However, it has found limited success for modeling dua
Mar 1, 2025
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All-In Sustaining Cost Analysis: Pros and Cons
By A. G. Yapo, T. W. Camm
"All-in sustaining cost is a metric used by mining companies to reflect the cost of gold mining in a consistent format useful to both investors and mining professionals. Cost reporting focused on the
Jan 1, 2017
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Characterizing The Mineralogical Variability Of A Chilean Copper Deposit Using Plurigaussian Simulations
By J. Betzhold
Knowing more about an orebody makes it easier to exploit it profitably. Many orebodies are made up of different rock types, alteration zones or mineralogical ensembles: oxides versus sulphides or faci
Jan 1, 2000
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IC 8666 Proceedings Of The Symposium On The Use Of Diesel-Powered Equipment In Underground Mining, Pittsburgh, Pa., January 30-31, 1973 ? Introduction
A symposium was held on January 30 and 31, 1973, at Pittsburgh, Pa., to review the state-of-the-art in designing and utilizing diesel-powered equipment in underground mining. The Health and Safety Act
Jan 1, 1975
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Design Developments of the Jameson Cell
By S Bourke, R Stone, B Hill
Since Jameson Cell flotation technology was first installed in a coal flotation application in 1988/89 at Newlands Coal Handling and Preparation Plant (CHPP) there have been fundamental improvements t
Jan 1, 2005
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RI 6968 Phase Relations In The Uranium Monocarbide Region Of The System Uranium Carbon Oxygen At 1,700°C
By Jack L. Henry
The monocarbide region of the ternary system U-C-O has been investigated at 1,700° C as the first phase of a more extensive study of a portion of the four-component system U-C-O-N. An area bounded by
Jan 1, 1967
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Time-dependent monitoring of seismic wave velocity variation associated with three major seismic events at a deep, narrow-vein mine
By Erik Westman, BEN WESTON, SETAREH GHAYCHI AFROUZ, KATHRYN DEHN
This study investigates the changes in seismic velocity of rockmass before and after three major seismic events to determine any potential identifiable precursory velocity changes associated with thes
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The Upgrading of Primary Gold Gravity Concentrates
By Bryn Harris, Liming Huang, Andre Laplante
"This paper reviews flowsheets generally used in gold rooms to upgrade primary gravity concentrates particularly those of Knelsons. It is concluded that even for small operations, which treat between
Jan 1, 1999