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Coal - Mine Lighting: Review of Progress in Techniques and Research in Great Britain
By A. Roberts
This paper reviews progress in equipment design and in the techniques applied to mine lighting in Great Britain. The incidence of the disease miner's nystagmus, which was a major source of concer
Jan 1, 1961
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Breakage Characteristics for Ores for Ball Mill Modelling
By Whiten W. J
An investigation on the breakage characteristics of closely sized orc samples at different levels of input energy was carried out to determine an appearance function for possible use in ball mill mode
Jan 1, 1983
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Using 3D Computer Simulation to Improve Construction Project Planning
By Patrick Cloutier
Presentation objectives ? Introduce discrete-event 3D computer simulation as a tool to design, improve and optimize construction projects: ? Describe a real typical construction project planning i
Aug 1, 2013
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Tracking Mine Safety Performance Trends To Assess The Risk For A Fatality
By H. Kinilakodi
The authors previously developed a methodology that combines injury and citation measures into an overall mine safety performance evaluation tool, called the safe performance index (SPI). It can be ea
Jan 1, 2012
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A Review of Suncor Energy’s Millennium Extraction Process
By Michael Godard, Peter Cleyle
"Suncor Energy’s Project Millennium increased oilsands production capacity by an additional 95,000 barrels per day to its present level of 225,000 barrels per day. This massive venture included an exp
Jan 1, 2004
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Other Important World Producers Of Nickel - Outokumpu Oy-Finland's Major Contributor
On the preceding pages, operations of the four major producers of nickel today have been described. There are, however, other operations in the world that, while not as large, are still of importance
Jan 10, 1968
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Field Test With Strain-Gauged Friction Bolts At The Gold Hunter Mine, Mullan, Idaho, USA
By Jeffrey Johnson, Carl Sunderman, Ted Williams, Stephen Signer, Douglas Bayer
To measure the loading behavior of friction bolts, researchers at the Spokane Research Laboratory of the National Institute for Occupational Safety and Health (NIOSH) installed strain gauges on the in
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Discussion - Of Mr. Raymond's Paper on Dip and Pitch (see p. 326)
R. W. Raymond, New York, N. Y,:—Since the presentation of my note on this subject at the New York Meeting, Professor Louis has pointed out an error in my statement of his conception of " pitch "—namel
Jan 1, 1909
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Some Myths About DC Arc Furnaces ? Synopsis
By R. T. Jones
DC arc furnaces are widely used for steel scrap melting as well as for reductive smelting of ore fines. Industrial smelting applications include the smelting of chromite to produce ferrochromium, the
Jan 1, 2011
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Presidential Address: Rock Engineering - Good Design Or Good Judgement?
Rock engineering has now been practised as a discipline for about50 years, and many sophisticated methods of analysis for use in rock engineering design have been developed. However, analysis is only
Jan 1, 2003
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Recent Developments In Secant Bored Pile Wall Construction
By D. E. Sherwood
Recent developments in high torque hydraulic rotary rigs has lead to the construction of secant bored pile walls by rotary drilling methods in circumstances where earlier methods were difficult and in
Jan 1, 1989
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Reservoir Engineering - General - Permeability of Idealized Fractured Rock
By R. W. Parsons
The over-all apparent single-phase permeability of fracture-rock systems was studied using two different two-dimensional models. In a strict sense the results are applicable only to these models, yet
Jan 1, 1967
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Neutralization Of Smelter Gases With Limestone In A Countercurrent Multiple Fluidized Bed System.
A three?stages countercurrent fluidized bed prototipe reactor to neutralize the SO2from smelter gases has been developed. For gases with 8 vol-%SO2, at 800°C and for 4 h mean reaction time of the lim
Jan 1, 2006
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Barrier Pillars In Lackawanna Basin, Northern Field - Anthracite Region Of Pennsylvania ? Summary
By S. H. Ash
THE BARRIER-PILLAR SYSTEM in the Lackawanna Basin consists of 93 barrier pillars between Archbald and Taylor, Pa. These pillars affect 48 mines, have a total length of 87 miles, and confine 21 undergr
Jan 1, 1952
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The Critical Minerals Initiative of the US Geological Survey’s Mineral Deposit Database Project: USMIN "Mining, Metallurgy & Exploration (2021)"
By Patrick Scott, Germán Schmeda, Morgan Mullins, Liam Knudsen, Bradley S. Van Gosen, Carma A. San Juan, Nicholas A. Karl, Jeffrey L. Mauk, Clayton Forbush
The objective of the US Geological Survey’s mineral deposit database project (USMIN) is to develop a comprehensive twentyfirst century geospatial database that is the authoritative source of the most
Feb 8, 2021
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Case Study of Plant Trial on the Improvement of Gold Recovery of Preg-Robbing Ores by Surfactant
By H. Cay, J. Zachwieja, T. Esplin, R. Ravenelle, T. Olsen-Tank
Barrick Goldstrike mine utilizes a carbon-in-leach (CIL) circuit to simultaneously leach gold into solution with cyanide and adsorb the gold-cyanide complex onto activated carbon for further refinemen
Jan 1, 2014
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Optimum Chain Pillar Design at the Deepest Multi-Seam Longwall Workings in India Mining, Metallurgy and Exploration (c1221f6a-70cf-4429-9a4d-13a3e324a05a)
By Nilabjendu Ghosh, Satyendra Kumar Singh, Gautam Banerjee, Harshit Agrawal
High-production methods like longwall mining with hydraulic powered supports are necessary to increase underground coal production in India. Longwall mining had a mixed success record for Indian geo-m
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Optimum Chain Pillar Design at the Deepest Multi-Seam Longwall Workings in India Mining, Metallurgy and Exploration
By Nilabjendu Ghosh, Satyendra Kumar Singh, Gautam Banerjee, Harshit Agrawal
High-production methods like longwall mining with hydraulic powered supports are necessary to increase underground coal production in India. Longwall mining had a mixed success record for Indian geo-m
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Heat Transfer Mechanism in Ignition of Nickel Sulphide Concentrate under Simulated Flash Smelting Conditions
For small particles of niekel flotation eoncentrate (av. size 50 pm) the predominant heat transfer mechanism under suspension smelting conditions, prior to ignition, is conduction from the gas and not
Jan 1, 1979
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Subject Index to Bureau of Mines Publications from July 1, 1990 to January 1, 1960 - Subject Index A-C
"A bed, British Columbia, Canada, coal, carbonizingproperties B 510Pa., coal, washing characteristics RI 4941A' bed, Pa., coal, washing characteristics RI 4834"
Jan 1, 1960