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IC 9083 Subsidence Investigations Over Salt-Solution Mines, Hutchinson, KS
By Robert C. Dyni
The Bureau of Mines in cooperation with the Solution Mining Research Institute conducted surface and subsurface investigations over five solution-mined salt cavities in the Hutchinson, KS, area. The p
Jan 1, 1986
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Stabilization of Lead and Zinc Flotation Circuits at Galmoy Mine, Kilkenny, Ireland
By Paul Laframboise, Nigel MacDonald, Mike Hallewell, Robert Thorpe
"Galmoy Mine, owned by Arcon Mines Limited, has operated since 1997, and is one of three operating lead/zinc mines in Ireland. Changes in ore type starting in mid 2002 created challenges to metallurgi
Jan 1, 2005
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Future Raw Material Needs of The Canadian Steel Industry Some Problems and Opportunities
By R. J. Goodman, P. Lafleur
This paper presents a current interpretation and projections of recent statistics on raw materials availability based on familiarity with the Canadian steel industry and its development. Problems and
Jan 1, 1976
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RI 5506 The Bureau Of Mines Synthetic Liquid Fuels Program, 1944-55 - Part I. - Oil From Coal - Preface -Paths From Coal To Synthetic Fuels
The complex organic chemicals in coal differ from those in petroleum mainly by the ratio of carbon atoms to hydrogen atoms; this ratio is about 2 for coal and 1 for petroleum. By changing the ratio, c
Jan 1, 1959
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OFR-33-86 Geologic Factors Affecting Vibration From Surface Mine Blasting
By James W. Reil
A test series of small, precisely-controlled and thoroughly-monitored production blasts was conducted at two quarries. In each series, all variables except delay were kept constant, as much as practic
Jan 1, 1985
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Chelopech Mining EAD and Best Available Techniques for Management of Waste Rock in Mining Activities
Chelopech Mining EAD and Best Available Techniques for Management of Waste Rock in Mining Activities
Sep 13, 2010
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Numerical Modeling of Mining-Induced Stress and Microseismic Response using FLAC3D
By Shahé Shnorhokian
A study was conducted on the seismic activities and associated rockburst events that took place at an underground Canadian metal mine over a period of five years. In the first stage, a back analysis o
May 1, 2011
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Spray Nozzles in Colliery Dust Suppression
The efficiency of water sprays in suppressing airborne colliery dust depends on many variable factors. A survey of previous work in this field shows that swirl spray nozzles are the best dust suppress
Jan 1, 1964
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RI 8541 An Investment Mold for Titanium Casting
By E. D. Calvert
The Bureau of Mines, in its effort to promote greater utilization of domestically abundant materials, conducted reasearch on an alternate mold material that has commercial potential for titanium inves
Jan 1, 1981
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Challenges in Niobium Flotation
By S. Kelebek, C. Gibson, M. Aghamirian
"Global niobium production is currently dominated by three operating mines, Araxá and Catalão in Brazil, and Niobec in Canada. Although over 90% of the world’s niobium is mined and processed in Brazil
Jan 1, 2015
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Residence Time Distribution In Single Big Industrial Flotation Cells
By J. Yianatos
The collection zone residence time distribution (RTD) of mechanical self-aerated flotation cells was characterized for liquid and solid per size class (-45 mm, +45-150 mm and +150 mm). It was found th
Jan 1, 2008
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Practical Approaches to Managing Business Critical Water Risk
By A Tang, K Ringwood
"Water is increasingly being recognised as a material business risk that many companies are still not well-equipped to deal with. Despite a raft of water-risk focused initiatives, methodologies and gu
Nov 26, 2013
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Hypersaline-Induced Reduction in Cyanide Ecotoxicity at Gold Operations, thereby Obviating Detoxification Plants
By G B. Smith, D Hillier, T Gibbons, D B. Donato, M D. Adams, S Davies, R S. Schulz
Responsible management of cyanide solutions and tailings on gold processing plants worldwide is an important aspect to these operations and is regulated via guidelines provided by the International Cy
Sep 26, 2013
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Looking Back at the Metal Mines of Cornwall
By Thomas A. Simpson
Traveling through the moors and valleys of Cornwall, England, one is reminded of the extensive mining activities of the past. Abandoned shafts, remains of granite block wheel houses and engine houses,
Jan 9, 1981
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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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IC 7855 The Mineral Industry Of Turkey ? Introduction
By L. Nahai
In two decades Turkey has emerged from the debacle of the Ottoman Empire to become one of the most modern nations in the Middle East. The numerous achievements of this period were remarkable in that t
Jan 1, 1958
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Computer Adjustment of Metallurgical Balances
By H. W. Smith, N. Ichiyen
A convenient method for the calculation of metallurgical balances, based on statistical treatment of all available data, is presented. An error analysis is included. Examples show the advantages of th
Jan 1, 1973
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Modernização Do Sistema De Supervisão Da Mina, Britagem E Concentrador I Da Samarco Mineração
By Alexandre Carvalho Martins
Este trabalho tem por objetivo apresentar o projeto de modernização do sistema de supervisão da Mina, Britagem e Concentrador I da unidade de Germano da Samarco Mineração. A principal motivação que le
Jul 30, 2018
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Mineral Indicators - Aluminum (c64260b2-6ee9-48c0-8bd0-4e7975c6e42f)
In October, the Aluminum Company of America restarted the fourth of seven pot-lines at its Point Comfort, Tex. primary aluminum smelter. The price of primary aluminum ingot, as quoted by American M
Jan 1, 1979
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An Analysis of the Performance of Multi-Stage Grinding and Cyclone Classification Circuits
By Lynch A. J
A method has been developed for the prediction of the performance of multi-stage grinding-cyclone classification circuits of any degree of complexity on any ore for a wide range of operating condition
Jan 1, 1965