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IC 7844 Southeastern Alaska's Mineral Industry ? Summary And IntroductionBy Alvin Kaufman
Increased exploration in Alaska has resulted in many requests to the Bureau of Mines for facts about the mineral resources and mining conditions in the Territory. This report presents information abou
Jan 1, 1958
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Protecting Underground Coal Miners From Rib FallsBy Michael Gauna
In 2010, the number of fatal rib falls in U.S. underground coal mines exceeded fatal roof falls for the first time ever. While recent trends have seen roof fall fatalities reduced by about 62% since t
Jan 1, 2011
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Calcium based ternary nitrate salts for concentrating solar power applicationsBy V Shrotri L Muhmood, P Gandhre
The current work deals with the measurement of some thermophysical properties of Ca(NO3)2 based ternary nitrate molten salts as HTF (heat transfer fluid) / TES (Thermal Energy Storage) material for CS
Jun 19, 2024
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Institute of Metals Division - Ternary Laves Phases with Transition Elements and Silicon (TN)By D. I. Bardos
The occurrence of Laves phases (AB,) in various binary alloy systems has been reviewed in recent papers.13 Iron forms Laves phases with Sc-, Ti-, V- and Cr-group elements. However, two of the correspo
Jan 1, 1962
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The Mineral Industry Of Other Central African Countries - Cameroon (f079dc86-31ba-4d96-9e14-38b38401265f)By Thomas O. Glover
Economic growth in Cameroon was restricted during 1987 owing to a decrease in oil prices during 1986 and the falling value of the U.S. dollar in 1987. The yearly budget reflected a significant drop in
Jan 1, 1989
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Archean and Paleoproterozoic Geology and Metallogeny of the Southern Canadian ShieldBy K. D. Card, K. Howard Poulsen
Abstract - The Archean Superior Province craton and the Paleoproterozoic Penokean Orogen are major geological sub-divisions of the southern Canadian Shield and account for much of the metallic mineral
Jan 1, 1998
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RI 5179 Fabrication Of Titanium Prototypes Of 81-Mm. Mortar Base Plate ? SummaryBy R. W. Huber
The successful development of a titanium prototype of the 81-mm. mortar base plate for the Army Ordnance Corps is outlined in this report. Information is presented dealing with forming, forging, and m
Jan 1, 1956
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IC 7814 Phosphate Rock (In Two Parts) 1. Mining, Beneficiation, And Marketing - Summary And IntroductionBy E. Robert Ruhlman
["Phosphate rock" is a broad term applied to natural deposits of minerals valued chiefly for their phosphorus content. More specifically, phosphate rock may be defined as a natural rock containing one
Jan 1, 1958
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Parameters for Control and Optimization of Bioleaching of Sulfide Minerals (Invited)By H. Deveci
Bioleaching/biooxidation is essentially a dissolution process with the involvement of acidophilic bacteria acting as the "catalyst" to accelerate the dissolution of metals from sulfide minerals. The c
Jan 1, 2003
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Development and practice of the Falconbridge chlorine leach processBy E. Thune, F. Stålesen, E. O. Stensholt, O. M. Dotterud, E. E. Henriksen, P. O. Ramsdal
"The development and commercial operation of the Falconbridge chlorine leach process have been described in papers in 1985 and 1987. Since this time, various process improvements have been implemented
Jan 1, 2001
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The Effect of Roasting on the Mineralogical Structure and Cyanidation Performance of Gossan Type Oxidized Refractory Gold‑Silver Ores - Mining, Metallurgy & Exploration (2023)By İbrahim Alp, Emine Yoğurtcuoğlu
This article includes the application of roasting pretreatment by assisting the cyanidation process in the recovery of Au–Ag from Bolkardağ Gossan refractory ore and the characterization studies of th
Aug 21, 2023
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Flotation Rates and Zeta Potentials of Maceral Concentrates of Bituminous CoalsBy D. Men, R. Q. Honaker, J. C. Hower
"Maceral separation is one possible technique to expand coking coal resources, either by increasing the blending ratio of non- or slightly caking coal or rationally utilizing the coking coal according
Jan 1, 2015
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Obtenção De Parâmetros De Desfosforação De Ferro-gusa Em Diferentes Temperaturas De ProcessoBy Cynara Christ Klippel
Devido às exigências de teores de fosforo cada vez menores no aço, o processo de desfosforação tem ganhado destaque nas indústrias. Para aproveitamento das melhores condições termodinâmicas a etapa ma
Aug 17, 2017
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RI 8239 Coal-Pyrite Flotation in Concentrated Pulp - A Pilot Plant StudyBy Kenneth J. Miller
The Federal Bureau of Mines coal-pyrite flotation process has been modi¬fied to produce a concentrated final clean coal slurry underflow that could be dewatered more effectively by filtration or centr
Jan 1, 1977
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Mining Research in Canada: An Offer You Can’t RefuseBy Alan Galley, Tom Hynes, Michel Plouffe
"Mining in Canada’s economy• Employs 320,000+ workers; Wages 30-60% above other sectors• Operates 220 producing mines, 33 smelters and refineries• Paid $8.4B in taxes and royalties to governments in 2
Jan 1, 2012
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Magnetic Properties of Strontium Ferrite Prepared Using Submicron-Sized SrFe12-XAlxO19 PowdersBy S. V. Ketov, V. P. Menushenkov, V. S. Shubakov
"The glass samples were obtained by melting of the oxides mixture SrO-Fe2O3-B2O3(Al2O3) at 1200-1250°C with subsequent quenching of the melt on quickly rotating steel roller. Submicronsized Sr(Fe,Al)1
Jan 1, 2012
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Nuclear Methods Applied To Ore Beneficiating Processes Present And Future ? IntroductionBy Jack G. Crump
Nuclear radiation systems for gauging solids content in process slurries and level in crushers has demonstrated acceptance in ore processing. The use of nuclear radiation for moisture analysis of bulk
Jan 1, 1965
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Refining Lithium by Vaporization at Low PressureBy R. R. Rogers
ABSTRACT The experiments described demonstrate that crude commercial lithium containing in the order of 0.5 per cent sodium can be refined, the resulting metal containing as low as 0.001 per cent sod
Jan 1, 1951
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Characterisation of Bedded and Channel Iron Ore Deposits Using CSIRO’s HyLogging™ SystemsBy M Haest
This study demonstrates the application of HyLogging™ technologies for mineralogical characterisation of different iron ore types throughout the Hamersley Province (Western Australia), including a cha
Jul 11, 2011
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Safety Initiatives in Support of Safety Culture Development: Examples from Four Mining Organisations - Mining, Metallurgy & Exploration (2023)By Erik Sundström, Magnus Nygren
Having seen significant improvements to accident rates in the last 40 years, companies in the Swedish mining industry now show a greater focus on the development of safety cultures throughout their or
Jul 19, 2023