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Multi-Attribute Selection Method For Mining Trucks
By D. Komljenovic, V. Kecojevic
Selection of the best possible truck type (model) is of crucial importance for the mine decision-makers. In this paper, authors contribute to the body of knowledge by developing a novel methodology f
Jan 1, 2007
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Improving Conveyor Transfer Point Performance in Hard Rock Mines
By R. Shields
"Hard rock mines move large volumes of material. But the conveyors essential to this movement suffer lots of problems, including carryback, spillage, dust, and belt wander. Many of these issues are cr
Jan 1, 2017
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The Application Of Propeller Fans At Wisconsin Industrial Sand—A Case Study
By T. Stauffer, B. McGunegle, A. Adu-Acheampong
The Fairmount Minerals, Inc., Maiden Rock underground sand mine historically delivered air to ventilate diesel-powered equipment at its working faces through high-resistance, 15-inch-diameter PVC dist
Jan 1, 2007
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Leaching Process and Mechanism of Weathered Crust Elution-Deposited Rare Earth Ore Mining, Metallurgy and Exploration
By Zhigao Xu, Ming Wu, Jun Qu, Rong Zhang, Wenrui Nie, Ruan Chi, Zhenyue Zhang, Zhengyan He
The leaching processes and mechanisms of weathered crust elution-deposited rare earth (RE) ores with ammonium sulfate were investigated for their high efficiency and low consumption exploitation. The
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Leaching Process and Mechanism of Weathered Crust Elution-Deposited Rare Earth Ore Mining, Metallurgy and Exploration (a7b06571-a8d3-42ef-a017-d7b434b4427d)
By Zhigao Xu, Ming Wu, Jun Qu, Rong Zhang, Wenrui Nie, Ruan Chi, Zhenyue Zhang, Zhengyan He
The leaching processes and mechanisms of weathered crust elution-deposited rare earth (RE) ores with ammonium sulfate were investigated for their high efficiency and low consumption exploitation. The
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Extended Cut Mining And Worker Safety In Underground Coal Mines
By E. R. Bauer
The ground control aspects and occupational safety concerns of extended depth-of-cut mining are presented in this U.S. Bureau of Mines (USBM) report. The scope of extended cut use and typical face ope
Jan 1, 1995
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Exploration Review (e158c23d-a823-415e-bda3-083a036f2393)
By D. R. Wilburn
This summary of international mineral exploration activities for the year 2013 draws upon information from industry sources, published literature and U.S. Geological Survey (USGS) specialists. The su
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New Developments In Ultimate Pit Limit Problem Solution Methods (7b6a6d62-b528-43f8-9a94-171feda5a9e8)
By T. M. Yegulalp
A short review of the current practice and recent developments is followed by a description of a newly developed approach for the solution of the optimum ultimate pit limit problem. The new approach u
Jan 1, 1993
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Computerized Open Pit Mine Models -The State Of The Art
By Young C. Kim
Introduction and Objective of This Paper Computerized open pit mine models* are more and more used today for feasi¬bility studies as well as for long range mine planning. In fact, using these model
Jan 1, 1977
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New Applications For Process Simulator Software
By G. A. Shirey
Breakthroughs in software technology and in computer hardware capabilities have opened new opportunities to develop more accurate process simulators and to reduce the operating time to reasonable leve
Jan 1, 1995
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Bleeder Entry Evaluation Using Condition Mapping and Numerical Modeling
One of the most common critical areas of longwall mining in terms of ground stability are the gateroad and bleeder entries. These critical entries provide much-needed safe access for miners and allow
Jan 7, 2020
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Openpit limit optimization through databases: an open source for data analysis and reporting services
By R. Benito
The publication of the Lerchs Grossmann paper in 1965 outlining a threedimensional graph algorithm for ultimate pit definition set the standard for the mining industry regarding pit optimization. Alth
Nov 1, 2013
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Reliability-Centered Maintenance of Rapier Dragline for Optimizing Replacement Interval of Dragline Components "Mining, Metallurgy & Exploration (2020)"
By Snehamoy Chatterjee, Sanjay Kumar Palei, Smarak Das
Machine manufacturers’ recommendations on maintenance strategies of capital-intensive draglines are not always based on real data and therefore lead to losses from downtime. This paper proposes a prev
May 28, 2020
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Upgrading of Phosphate Fines by Fatty Acid Flotation Using Amylase Enzyme as a Surface Modifier (Mining, Metallurgy & Exploration) (8827c093-1c5b-4a9c-b3fd-b59e256d9af5)
By K. E. Yassin, A. Yehia, M. Amar
Phosphate fines (size ≤ 45 μm), from the Red Sea Region, Egypt, were subjected to beneficiation process to recover the phosphorite grains from such fines. The sample is characterized by low P2O5 conte
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Haul Truck Safety And Virtual Environments Training
By A. Schaum
On average, there are approximately 10 fatal haul truck accidents per year. The most common causes for haul truck accidents include mechanical problems, inadequate training and insufficient road/berm
Jan 1, 2008
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Face Ventilation on a Bleederless Longwall Panel Mining, Metallurgy and Exploration
By S. J. Schatzel, J. D. Addis, V. Gangrade, L. L. Chasko, C. A. Hollerich
A ventilation study using tracer gas was conducted at a western US coal mine. The objective of the study was to evaluate the movement of longwall face air exchanges between the face and worked-out are
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Interlude
If it had not been for the almost unbelievable adventures that came before and after, the last ten months of 19 15 would have been exciting enough for anyone. As it was they were a cheerful interlude.
Jan 1, 1976
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Gold Mineralization In The Laccolithic Complexes Of Central Montana
By David L. Giles
The alkalic igneous province of Montana consists of centers of laccolithic and stock-like intrusive complexes with associated sills, dikes, and breccia pipes (e.g., Judith, Highwood, Little Belt Mts.)
Jan 1, 2013
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Solvent Extraction Separation of La, Sm and Dy from Sulfate-Phosphate Medium by CYANEX 272 in Kerosene Mining, Metallurgy and Exploration (25516173-62bf-4622-baf5-f08eb2deecf6)
By I. M. Ahmed, R. S. Hassan, M. I. Aly
Extraction and separation of La, Sm and Dy ions from acidic sulfate-phosphate solutions was investigated using a cation exchange extractant, bis(2,4,4-trimethylpentyl) phosphinic acid, CYANEX 272, in
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Associations Between Whole-Body Vibration Exposure and Occupational and Personal Factors in Drill Operators in Indian Iron Ore Mines Mining, Metallurgy and Exploration
By Ashis Bhattacherjee, Rahul Upadhyay, Nearkasen Chau, Aditya Kumar Patra, Dhanjee Kumar Chaudhary
Heavy earth-moving machineries used in open-pit mines intensively expose the drill operators to whole-body vibration and shocks and thus to musculoskeletal disorders. The roles of an individual, machi