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MLA 14-93 - Identified Mineral Resources Of The Needles 1°X 2° Map Quadrangle, CaliforniaBy Terry R. Neumann
This document, prepared for the U.S. Bureau of Mines Regional Mineral Assessment Program, presents data pertinent to the mineral resource assessment of the Needles 1° x 2° map quadrangle (excluding th
Jan 1, 1993
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A New Model For Blast Fragmentation Prediction Based On Multivariate Analysis - IntroductionBy T. Hudaverdi
Several studies have been conducted on blastability and prediction of fragmentation. The term blastability is used to refer the susceptibility of the rock to blasting and is closely related to fragmen
Jan 1, 2011
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Optimization of SAG Mill Process Control at the Raglan MineBy G. Couture, J. -F. Dubé, F. Letarte-Lavoie
"The Xstrata Nickel Raglan concentrator, located in Quebec’s Nunavik region, has been in operation since 1997. Originally designed to process 800,000 tonnes per year of high-grade nickel ore, the plan
Jan 1, 2013
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Assessing the Returns to Copper Exploration, 1989-2008By R. A. Leveille, M. D. Doggett
"Economic returns for the copper industry have been assessed by building cash flow models for each of the 100 new mines brought into production over the past 20 years. Ninety-one of the 100 new mines
Jan 1, 2009
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Horizontal Stresses In The Hangingwall Of Tabular StopesBy A. P. Squelch
The question of what stress condition exists in the hangingwall of tabular stopes remains topical and largely unanswered. Limited field data exist to quantify the situation and provide calibration for
Jan 1, 2002
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Installation Of Augered Cast-In-Place Piles - Equipment (b596934a-6910-4dd1-8c4a-72745306d21b)By Tracy Brettmann
? Hollow Stem Auger ? Drill Bits ? Leads/Torque Arm ? Hydraulic Gearbox ? Hydraulic Power Unit ? Grout Pump ? Crawler Crane
Jan 1, 2001
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Low Frequency Vibrations Produced by Coal Mine Blasting and their Impact on StructuresBy B Mohanty, M P. Roy, P K. Singh
"The measured response of residential structures is a critical indicator of troublesomeor potentially damaging ground vibrations. A study was conducted to evaluate theresponse of structures situated i
Jan 1, 2008
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Ground Control and Safety Implications of Blast Damage in Underground MinesBy Stephen Iverson
The National Institute for Occupational Safety and Health (NIOSH) is currently performing research to help mine operators minimize the amount of loose or damaged rock surrounding a blasted opening. I
Jan 1, 2007
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The application of pumpable emulsions in narrow-reef stoping (c3a49f1e-796f-497e-8d58-8a582c0eb90b)By S. P. Pearton
"Pumpable emulsion explosives have been available to surface and underground massive mining operations for decades, and their unique properties offer significant advantages in terms of improved safety
Jan 1, 2015
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Carbon-thermal Reduction Process for making Al-Si Alloys from Al2O3-SiO2 Containing Industrial WastesBy Jilai Xue
Industrial wastes containing 30-50 wt.% Al2O3 and 40-60 wt.% SiO2 may serve as an alternative resource for producing Al-Si alloys. Various raw materials such as used refractory materials from metallur
Jan 1, 2010
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Computer Modelling of Cast BlastingBy G K. Jorkenson
Blast designs to cast a percentage of overlying waste rock off coal seams differ greatly from conventional blast designs for surface coal mines. Today, blasting engineers can benefit from computer si
Jan 1, 1989
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The Effect of Lump Ablation on Pressure Gradient in Oil Sand Hydrotransport PipelinesBy D. Wolfe, K. Reid, T. Nunn
"The Aurora North mine has been operating for more than ten years, and is the source of over half of Syncrude’s bitumen production. In order to minimize front-end rejects, and to allow for high throug
Jan 1, 2014
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Modelling open pit shovel-truck systems using the Machine Repair Model - SynopsisBy A. Krause
Shovel-truck systems for loading and hauling material in open pit mines are now routinely analysed using simulation models or off-the-shelf simulation software packages, which can be very expensive fo
Jan 1, 2007
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A Study of Cemented Crude Tailings Backfill Technology Based on Vertical Sand SilosA key point in the manufacture of cemented backfill is the dewatering and settlement of the total tailings product. A new technology characterized by rapid non-mechanical settlement of total tailings
May 1, 2007
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A Management System to Develop Occupational Health & Safety in Ground Control Operations of Underground MinesBy Kazem Oraee
Falls of ground have historically been the main cause for fatalities in underground mines. Although recent advances in technology have reduced the number of such accidents, when failures occur they us
Jan 1, 2012
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PlanIt–OPTIM: An optimal mine planning system for large underground mining corporationsBy F. Terblanche, M. Holton, A. Kruger
The paper presents an optimal mine planning system designed to simultaneously optimize all the underground mines of large South African gold and platinum mining corporations. The system, code name
Jan 1, 2003
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Discussion - Development of the Screen Bowl Centrifuge for Dewatering Coal Fines Technical Papers, MINING ENGINEERING, Vol. 35, No. 4 April 1983, PP. 333-336By N. D. Policow, J. S. Orphanos
D.A. Dahlstrom In the paper, a comparison was made between flowsheets using the screen bowl centrifuge and disc filters, respectively, as the primary dewatering device. The authors very effectively
Jan 12, 1983
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Application Of Highwall Mining System For Recovering Coal Of End-Walls In ChinaAccording to the previous research, it is found that the thickness of cover is mostly less than 100 m for highwall mining system. However, for most of the Chinese surface coal mines, the mining depth
Jan 1, 2012
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Flotation Process Neural Data Analysis and On-Line MonitoringBy Heikki Laurila, Sirkka-Liisa Jämsä-Jounela, Jarkko Karesvuori
"Artificial Intelligence includes excellent tools for the control and supervision of industrial processes. Several thousand industrial applications have been reported worldwide. Recently, the designer
Jan 1, 2000
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CMIC-NSERC Footprints Project: A Roadmap for Large Project Development and ImplementationBy Alan Galley
CMIC Mandate CIM Annual Meeting, Toronto, May 6, 2013 To increase mining research, innovation and commercialization efforts in order to strengthen Canada?s pre-eminent role as a global leader in min
May 1, 2013