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The Influence Of Geology On A Simulated Rockburst
By N. Reddy
The influence of local geology and rock mass characteristics on deformations during a rockburst caused by a controlled blast was studied. This was done by means of visual examination, mapping and phot
Jan 1, 2001
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Determinação E Avaliação Do Potencial De Oxidação Da Zona De Combustão De Alto-forno
By Dimas Henrique Barros Andrade, Victor Eric de Souza Moreira, Ana Karolina Menezes de Almeida, Jorge Luiz Baeta, Henrique Guilherme Lucas Bastos, Paulo Santos Assis
O alto-forno é um reator metalúrgico cujo principal produto é o ferro gusa. Práticas operacionais bem ajustadas, como a injeção de carvão mineral e gás natural, possibilitam menor consumo de coque, me
Oct 1, 2019
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Coal Supply Engineering Audit Supply
By John W. Gunnett
The purpose of this afternoon’s presentation is to highlight the investigative proce dures employed to complete an engineering audit of a mining operation. Skelly and Loy has been retained to perform
Jan 1, 1992
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Phosphate Deposits of Ocean and Pleasant Islands
Two small coral islands in the Pacific Ocean, situated close under the equator, and formerly classed among the Line Islands, have, during the last three or four years risen into prominence owing to th
Jan 1, 1904
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The Challenges Facing The Asbestos Industry In The 1980?s
Canada is a major producer of chrysotile asbestos. In fact, Canada accounts for approximately one third of the world chrysotile asbestos production. Deposits are mined and the fiber processed in Québe
Jan 1, 1981
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Link Between Parameters in Rock Mass Classification
By Doug Milne
Linking Classification Systems with each other Similar Parameters between systems Different Rock Mass Properties Rock Mass Classification parameters and geology Different sources of data Co
May 1, 2013
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Development Of The Fastmet Direct Reduction Process
By J. A. Lepinski
The FASTMETSM Process is a coal-based process for converting iron oxide fines into metallic iron. The end product, direct reduced iron (DRI) is used as a low residual charge material in electric arc f
Jan 1, 1993
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Haul Road Monitoring in Open Pit Mines Using Unmanned Aerial Vehicles: a Case Study at Bald Mountain Mine Site "Mining, Metallurgy & Exploration (2020)"
By MATTHEW HART, THOMAS BAMFORD, Kamran Esmaeili, MICHAL KOWALCZYK, FILIP MEDINAC
Improved haul road conditions can positively impact mine operations resulting in increased safety, productivity gains, increased tire life, and lower maintenance costs. For these reasons, a monitoring
Sep 15, 2020
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Determination Of The Possible Causes Of A Foaming Slag By Its Mineralogical and Textural Characterization
By Lloyd R. Nelson
Selective carbothermic reduction is the preferred method of treatment of electric arc furnace (EAF) dust (listed hazardous waste, K061). The process maximizes the recovery of recyclable constituents b
Jan 1, 1994
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RI 2776 Hydrogen Sulphide Poisoning In the Texas Panhandle, Big Lake, Texas, And McCamey, Texas Oilfields
By W. P. Yant, H. C. Fowler
"INTRODUCTIONHydrogen sulphide is probably the most toxic gas associated with crude oil. Hydrocarbon (petroleum) vapors themselves are harmful to the human system, but hydrogen sulphide, when present,
Oct 1, 1926
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IC 8576 Methods And Costs Of Coal Refuse Disposal And Reclamation
The Bureau of Mines is active in programs pertaining to solid waste disposal and land reclamation. Nine reclamation projects of mining companies and six projects of the Commonwealth of Pennsylvania we
Jan 1, 1973
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Auger Pressure Grouted Displacement Piles: An Acceptable Alternative
By Osama El-Fiky
There are many types of deep foundations currently being used in the San Francisco Bay Area, one of the most common being driven precast, prestressed concrete (PC/PS) piles. PC/PS piles are frequently
Jan 1, 2002
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Case History: Augered Cast-In-Place Piles For The Pittsburgh International Airport Midfield Terminal
By Randy R. Huberty
Although originally designed with deep foundations consisting of all driven steel H piles and drilled caissons, a unique application of Augered Cast-in-Place (ACIP) piles as an alternate design result
Jan 1, 2001
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Mechanism Of Roof Failure In Longwall Entry System Under High Horizontal Stress Conditions
By H. J. Chen
In recent years, it has been recognized that the high horizontal stress is an important factor that contributes to a cutter roof. When the immediate roof is thinly bedded, the presence of a high horiz
Jan 1, 1998
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A Survey of Applications of Multi-Criteria Decision Analysis Methods in Mine Planning and Related Case Studies
By C. Musingwini, A. S. Nhleko, M. J. Mahase
"In an environment like the mining industry, which is characterized by different stakeholders with multiple objectives, multi-criteria decision analysis (MCDA) is a useful approach for optimal decisio
Jan 1, 2016
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Reserve calculations, mining, and milling of Homestake Mining’s Open Cut project described
By Jerry D. Pfarr, Gary Loving, David G. McDowall
Introduction The Open Cut is one of the best known landmarks in South Dakota's Black Hills. It is the site of the original discovery of the Homestake ledge, or lead, in 1876. Between that time a
Jan 10, 1987
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RI 7385 Evaluation Of Electrowon Tungsten Sheet
By G. H. Keith
Electrowon tungsten powders were investigated with respect to consolidation, fabrication, and mechanical properties. Sheet, 0.03 inch thick, was produced and its tensile strength measured between 250°
Jan 1, 1970
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The Foreign Investment Climate for Mining and Exploration in Indonesia and Papua New Guinea from an Australian Perspective
By Gillies A. D S
The active history of foreign investment in the mining industry has resulted in Australia emerging as a major world producer of a range of mineral commodities. The current contribution to the nation
Jan 1, 1994
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Rehabilitating Post-Mining Landscapes for Wildlife - A Case Study from the Koala Venture Research Program in Central Queensland
By F Carrick, W A. Ellis, D R. Mulligan, S I. FitzGibbon
"One of the major environmental impacts of mining is the destruction of habitat. The koala (Phascolarctos cinereus) is an iconic Australian marsupial that has been severely affected by land clearing a
Jul 10, 2012
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Unravelling the adsorption modes of flotation reagents by atomistic simulations
By J Lainé, M Badawi, A C. de Araujo, Y Foucaud, C Veloso
Flotation is the one of the most used techniques for the mineral separation of non-ferrous ores worldwide. However, the increase of the complexness along with the decrease of ores liberation sizes oug
Aug 24, 2022