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Three Case Histories of the Self Potential Method of Base Metal Prospecting Within the Lachlan Geosyncline, New South WalesThe results of self potential geophysical surveys conducted over base metal prospects near Orange, Goulburn, and Wellington, N.S.W., indicate that this rapid and inexpensive exploration procedure meri
Jan 1, 1973
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Use Of The Mining Rock Mass Rating (MRMR) Classification: Industry ExperienceBy Gabriel S. Esterhuizen, Jarek Jakubec
In 2000, Laubscher’s Mining Rock Mass Rating (MRMR) classification system was updated and published. The new system brought a few fundamental changes that were in direct response to the challenges and
Jan 5, 2007
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The Use Of Computational Fluid Dynamics And Discrete Element Modeling To Understand The Effect Of Cell Size And Inflow Rate On Flotation Bank Retention Time Distribution And Mechanism Performance.By Richard Peaker, Jens Lichter, Alexander V. Potapov
The recent combination of Computational Fluid Dynamics (CFD) and Discrete Element Modeling (DEM) can provide considerable insight into the performance of flotation cells. One area of interest from a f
Jan 1, 2007
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An Evaluation Of Strata Behavior And Tailgate Support Performance At Eagle Nest MineBy T. P. Mucho
Strata behavior and support performance were evaluated in a longwall tailgate test area at the Eagle Nest Mine near Van, WV. The mine operates in the Eagle coalbed which ranges in height from 4 to 6 f
Jan 1, 1996
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Model And Experimental Study Of The Effect Of Impeller Rotational Speed On The Flotation Rate From A Small-Scale Flotation Cell - Implications For The Effect Of Bubble VelocityA series of flotation experiments were carried out in a 2.25-dm3 laboratory-scale Rushton turbine cell using hydrophobic quartz particles. Flotation was performed at a constant mean bubble diameter ov
Jan 1, 2007
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What it’s worth : A review of 1986 mineral royalty informationBy H. Lyn Bourne
This is the fifth annual tabulation of mineral royalty information. This tabulation, like the previous editions, includes all of the earlier data. There are also 60 new entries. In addition to royalty
Jan 7, 1987
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An Evaluation Of Augered Cast-In-Place Pile Design Methodolgies For Compression Loading In SandBy Giuliana A. Zelada
This paper reports on a study of 43 compression load tests (five fully instrumented) and ten pullout tests of auger cast-in-place (ACIP) piles in sand. Eight design methods reported in the literature
Jan 1, 2000
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Longwall Shield Recovery Using Mobile Roof Supports (64264c53-830d-4e84-b91e-78532103884a)By Frank Chase
Longwall mining has gained the reputation as being the safest extraction method in underground coal mines. However, one of the most difficult tasks associated with longwall mining is moving the face
Jan 1, 2007
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The Abundance of Lead, Zinc, Copper and Silver at Broken HillBy Richards S. M
The abundances and abundance relationships of lead, zinc, copper and silver in the major sulphide lenses at Broken Hill are examined, and their possible geochemical significance discussed.When express
Jan 1, 1961
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Challenges In CFD Modeling Of Air Flow In Open-Pit MinesBy K. V. Raj
In the mining industry, computational fluid dynamics (CFD) modeling is used extensively to simulate air flow in underground mines. CFD modeling of pollutant transport in open-pit mines is relatively n
Feb 27, 2013
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Guidelines for the Management of Rock Related Instability in Strip Mines, AngloCoal, South AfricaBy Trevor Rangasamy
Technically based guidelines for managing rock related risks associated with strip mines in South African collieries are currently vague and are to a large extent based on experience and trial and err
Jan 1, 2008
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A Beta-Gamma Counting Method for Radiometric Determination of UraniumA short account is given of the theory and practice of determining the true U3O8 content of ore samples by the determination of the beta and gamma activities separately, using the method of Eichholz a
Jan 1, 1957
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Heavy- Mineral Deposits Of The Fox Hills Formation Located Near Limon, ColoradoBy F. L. Pirkle
A heavy-mineral deposit about 1.6 kilometers (I mile) in length and averaging about three meters (10 feet) in thickness is exposed approximately130 kilometers (80 miles) east of Denver, along Intersta
Jan 1, 2011
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Army Corps of Engineers Seepage Control Cutoffs for Dam and Levees Engineering Manual (EM)By David B. Paul
"ABSTRACTThe US Army Corps of Engineers (USACE) has 704 dams in their inventory and over 100,000 miles of levees with a capital value of over $150 billion. Currently, there are 319 dams that are class
Jan 1, 2014
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Spherical Graphite Preparing Using Fine Particle Nature GraphiteBy Yuhe Tang, Jun Zhang, Jianguo Liu
"The nature high carbon graphite with fine particle size has low commercial value because of its narrow application range. In order to improve its value, this paper has studied the methods for nature
Jan 1, 2018
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Blast Assessment and Optimization with Respect to the Control of Environmental EffectsBy Frank Sames
The control of the environmental effects, especially blast vibration and airblast, has become a dominating planning criterion for most surface blasting operations. Compliance with existing regulations
Jan 1, 1997
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Aplicaciones de las conclusiones del taller de prevención de caída de rocas-ISEM 2005 caso unidad minera RosauraBy . Jaime G Tapia Aguirre
La Unidad Minera Rosaura del Grupo Glencore fue considerada la mina subterránea más segura del país durante los años 2005, 2006 y 2007. Sin embargo, cuando el Grupo Glencore adquirió la concesión de R
Sep 12, 2011
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The Approach to Process Improvements at Brunswick MineBy Chris Larsen, Carole Fortin, Dave Scott, Curtis Deredin, Ian Orford, Jean Guy Gauthier, Andy Trusiak, Lyne Côté, Mike Cooper
"Upon successful commissioning of the Stage Grinding Project (Cormier et. al., 2002), process improvements predicted through pilot plant testing were obtained in several flotation circuits, resulting
Jan 1, 2005
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Grunerite (Amosite) Asbestos And Tremolite?Ferroactinolite Asbestos: Risk Of Environmental Mesothelioma: Rapporteur?s ReportBy John F. Gamble
Paper 1?South African experience with asbestos-related environmental mesothelioma: Is fiber type important? Neil White, Gill Nelson, Jill Murray The purpose of this review was to illustrate the im
Jan 1, 2007
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Innovative Mining and Processing Are Topics at Colorado MPD MeetingBy Steve Kral
Commodity price down cycles are a fact of life in the mining industry. And companies pre-pare for them as best they can. Evenso, operations are still curtailed or closed during those cycles, profits
Jan 1, 2004