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Back Caving Mechanism and Preventive Measures for Deep Open Stopes ? Case Studies
By Jerry Ran
Stope back caving in a mine using open stope mining interrupts the planned mining sequence and causes oversize muck and dilution with adverse economic implications. As many underground mines are minin
May 1, 2004
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RI 3545 Progress Reports -Metallurgical Division ? 41. Matte Smelting Of Manganese ? Introduction (64a39346-18e1-489a-9d89-fb7a2a30c194)
By C. E. Wood
[Because of the renewed i~,ortanc of the strate ic netal ~ngane8e the Bureau of Mines is conductin further ro~aarch on pyrometallurgica1 ~ethods of boneficiating 0 ngani.foro'l iron ores nnn lo\,
Jan 1, 1940
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Operating Strategies for Custodians of Company Assets Creating Wealth
By A L. Welsh, P S. Newling
Mill operators are entrusted to manage what are normally the largest capital assets on any mine site. Achieving maximum utilisation and lowest costs that drive operating margins are realised by applyi
Sep 7, 2015
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Exploratory Fea & Conceptual Design Findings Of Large Diameter Segmentally Lined Shaft
By D. Kruse
Top down constructed large diameter (up to 90 m [300 ft]) shaft design and constructability issues present an interesting suite of challenges and opportunities highlighted in this paper. The study cov
Jan 1, 2011
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IC 9031 Computer Program For Calculating Gravimetric Primary Standard Gas Mixtures
By Ernest W. Loya
The Bureau of Mines has developed a computer program for calculating the composition of gravimetric primary standard gas mixtures. The Fortran IV program applies corrections due to buoyancy variations
Jan 1, 1985
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Coal Petrology Applied to the Correlation of Some New South Wales Permian Coals
Detailed petrographic analyses of coal seams from the Newcastle, Illawarra, and Lithgow Coal Measures were made for a number of localities for each of twelve seams. From these analyses characteristic
Jan 1, 1967
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The Order of Kinetic Models, Rate Constant Distribution, and Maximum Combustible Recovery in Gilsonite Flotation Mining, Metallurgy and Exploration
By Yousef Ghorbani, Jafar Abdolahi Sharif, Fatemeh Kazemi, Ataallah Bahrami
Kinetic models are the most important tool for predicting and evaluating the performance of flotation circuits. Gilsonite is a natural fossil resource similar to an oil asphalt, high in asphaltenes. H
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The Order of Kinetic Models, Rate Constant Distribution, and Maximum Combustible Recovery in Gilsonite Flotation Mining, Metallurgy and Exploration (b37efcd2-92b5-49b0-85f9-0979b717b191)
By Yousef Ghorbani, Jafar Abdolahi Sharif, Fatemeh Kazemi, Ataallah Bahrami
Kinetic models are the most important tool for predicting and evaluating the performance of flotation circuits. Gilsonite is a natural fossil resource similar to an oil asphalt, high in asphaltenes. H
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A new Perspective: Regional Development with Mining as a By-Product The Example "NFN-NaturFreizeitverbund Niederrhein GmbH"
By H. -J. Langhoff
"The paper describes not a result, but a starting point to implement sustainable development to a region characterized by a typical down river landscape, agriculture, and extractive industry. The Natu
Jan 1, 2005
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Laboratory Determination of the Ash Content of Some Australian Coals Using Radioisotope Techniques
By Fookes R. A, Gardner K. J, Gravitis V. L, Watt J. S, Steffner E. J
Two radioisotope techniques suitable for the rapid laboratory determination of the ash content of coal have been tested ou unwashed coal samples from four Australian coal seams. In one techniqne, meas
Jan 1, 1982
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Demolition of the Milwaukee Railroad Trestle Pier, Lind, WA
By William C. B. Gates
Demolition blasting next to an active railroad can be very challenging because of track safety, blasting vibrations, potential track fouling by blast debris, and short work windows on a live track. Re
Jan 1, 2016
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Industrial Minerals 2002
Editor’s note: As usual, the June issue features an industrial minerals review. And some thanks are in order. Thank you to the industrial minerals annual-review editor, to the technical committees
Jan 1, 2003
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Notes on Sampling
This paper is intended partly as a summary of the conclusions that have been arrived at by various authorities on this matter, and also with a view to initiate some discussion on the subject, especial
Jan 1, 1904
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Technological Advances in Telecommunications for Mines
By Patrick M. Y. Waye
As mines utilise more automation in mining operations to improve efficiency and safety, a corresponding increasing demand is placed on the transport of information. Some of the recent technological ad
May 1, 2001
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Open systems standards for computing in the mining industry
By L. K. Daneshmend
Key issues in managing information systems in the minerals industry will likely continue to be those relating to the integration and interoperability of disparate systems. This paper argues that, in o
Jan 1, 2000
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Geometric and Dynamic Analysis of some Faults in the Western Coalfield of New South Wales
By Creasey J. W, Huntington J. F
Faults cutting the Lithgow and Katoomba seams in some collieries of the Western Coalfield can be classified, on the basis of spatial pattern, into three principal groups: meridional swarms of closely
Jan 1, 1981
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RI 9075 - Arch Canopy Design Procedure for Rehabilitation of High-Roof-Fall Areas
By Richard A. Allwes
This Bureau of Mines report presents a procedure for the design of an arch canopy for use in rehabilitating a high-roof-fall area. Only dy-namic line loading of an unbackfilled arch canopy at its crow
Jan 1, 1987
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Silica Gelation in Risdon Leach Pulp
The polymerisation of silica is found to interfere with thickening of leach pulps at Risdon. Hydroxyl ion and fluoride ion are catalysts for this reaction. Stability may be obtained by the presence of
Jan 1, 1958
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Explosives choice at East Kemptville Mine
By J. M. Houston
"In October 1982, Rio Algom Limited, purchased a tin prospect near East Kemptville, Nova Scotia, from Shell Canada Resources. This purchase led to the development of the first substantial tin mine in
Jan 1, 1987
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Analysis Of Sudden Floor Heave In Deep Western U.S. Mines - Preprint 09-010
By H. Maleki
As mining continues toward deeper reserves in thick western US coal fields, the control of mining induced-seismicity has become a priority in many operations in Utah, Colorado, and Wyoming. Gradual f
Jan 1, 2009