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Optimizing Conveyor Capacity and Reliability: The Pittsburgh & Midway Coal Mining Co.- North River Mine ExperienceBy Roland Hoet, Jim Patilla, Nick Madison
Increasing conveyor capacity and reliability is a common goal for many underground mines. This task is especially challenging when you must work with existing structure, belt, etc. Meeting this challe
Jan 1, 2002
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Flue Gas Treatment For So2 Removal With Air-Sparged Hydrocyclone TechnologyBy R. Bokotko, J. D. Miller, J. Hupka
Laboratory results from an initial study on the removal of SO2 from gas mixtures are reported using air-sparged hydrocyclone (ASH) technology. Tap water and alkaline solutions were used for absorption
Jan 1, 2002
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Geology And Geochemistry Of Stockwork Gold Mineralization At The Yarnell Mine, Yavapai County, Arizona (9f97aa0a-cfbb-41e8-bc34-a6d559d1020c)By T. C. Page
The Yarnell gold depoSit, located in the Weaver mining district of Yavapai County, Arizona is found within a structurally controlled, hydrothermally altered zone that occurs within a 1700 Ma granodior
Jan 1, 1992
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The Introduction Of A Dynamic Component To The ISC3 Model In Predicting Dust Emissions From Surface Mining OperationsBy Christopher Haycocks, Randolph Reed, Erik C. Westman
The industrial Source Complex (ISC3) model is the accepted standard used to predict emissions of particulate matter less tan 10µm in diameter (PM10) from industrial operations. This model, however, ov
Jan 1, 2002
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Pre-Excavation Grouting at the Hemphill site — Atlanta WSP TunnelBy Konner Horton, Adam L. Bedell, Don Del Nero, Brian Jones
"The City of Atlanta’s Water Supply Program Tunnel project includes a 7,315-m (24,000-ft) long, 4-m (13-ft) diameter, hard rock tunnel. A complex aspect of the project involves connecting five, blind
Jan 9, 2018
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Phosphate Targeted for Growth in ChinaBy E. Sabina Brady
Over the next two decades there will be significant trade and development opportunities in China for mining, engineering, equipment, and construction companies interested in becoming part of the devel
Jan 9, 1983
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Use of automated micro gas chromatograph to monitor mine atmospheres during mine emergenciesBy B. K. Blashich
In responding to mine fires and explosions, accurate and timely analysis of the mine atmosphere is critical in making decisions regarding firefighting, mine rescue and mine recovery operations. For ma
Jan 1, 2009
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Integrating Machine Learning and Geostatistics for Grade Control ModelsBy Ademar Lopes, Victor Silva, Heitor Silva, Gustavo Usero, Roberto Rolo, Lucas Pereira, Gabriel Moreira, João Lague, Arthur Endlein, Matheus Feitosa
Grade control models are supposed to provide a higher resolution than long-term or interim models. However, available grids from diamond or reverse circulation drilling do not provide that required re
Jun 25, 2023
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Lesson Learned During the EPB TBM Launch Using Umbilical and Muck Pump - RETC2021By D. Nebbia, R. Aliberti, F. Solesin
The launch of a Tunnel Boring Machine (TBM) is one of the most challenging activity parts of the construction of a tunnel. Challenges are coming from limited space available, learning curve, concurren
Jun 13, 2021
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Survival Strategy: Every Bit Counts ? IntroductionBy B. Caines
Much of the mining industry in North America is in a crisis state. Host producers are operating at production levels well below capacity, some have been merged or sold, while others have been mothball
Jan 1, 1987
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Expert Systems For Competitiveness: A TutorialBy R. L. King
An expert system is a computer system that performs tasks that are considered by most people to require human expertise. Since their functioning relies heavily on large bodies of knowledge, they are o
Jan 1, 1989
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A review on 3D cartographic and spatiotemporal GIS models for safety of accidents in deep underground coal minesBy Pinar Eksert, Hakan Akcin
Investigations show that injuries and fatalities in mining workplaces in developing countries are increasing. In Turkey, the number of workers killed in occupational accidents in the Zonguldak Hard Co
Oct 1, 2024
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Development of perched water tables in leach dumps: A case historyBy W. J. Schlitt
Introduction Heap and dump leaching are low-cost metal production techniques that are gaining in popularity among gold and copper producers. However, the flow of solution in heaps and dumps has rec
Jan 1, 1987
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Geology Of The Red Dog Mine, Western Brooks Range, AlaskaBy J. E. Kulas
Red Dog is a Mississippian to Permian aged sulfide deposit located in the western Brooks Range north of Kotzebue, Alaska. It belongs in the family of black Shale hosted sedimentary exhalite deposits b
Jan 1, 1992
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Developing Real Grade- Recovery Curves for SortingBy J. Raatikainen, I. Auranen
"INTRODUCTION Sorting technology has advanced rapidly recently. Of the two possibilities particle sorting has advanced especially in introducing new sensors and the use of multiple sensors. The analyz
Jan 1, 2018
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Platinum Group Metals In The Stillwater ComplexBy Linda D. Raedeke
The main platinum-group metal (PGM) deposit in the Stillwater Complex is associated with a stratiform zone formed by magma mixing. In general, the intrusion is a large, layered body of Archean age whi
Jan 1, 2013
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One Cast Adjustment Over The Mine Ventilation MeasurementsBy Xingshen Wang, Xuefeng Liu
This paper introduces the methods of adjustment over air pressure, air quantity and the method of comprehensive adjustment over air resistance during a mine ventilation survey. The method of selection
Jan 1, 1989
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Problems And Solutions In Surface Subsidence Monitoring Using A Total StationBy Y. Luo
Surface subsidence monitoring is the most effective means for investigating the nature of, and developing the techniques for predicting, the surface movement and deformation process. However, because
Jan 1, 1992
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Computer System For Copper Precipitation Process Boosts Plant PerformanceBy S. J. Swan
A computerized on-line process control system designed to monitor and control the seven-cone copper precipitation operations at Kennecott Copper Corporation's Chino Mines Division in New Mexico h
Jan 1, 1975
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Classification And Concentration Of Heavy Minerals In Grinding CircuitsBy A. L. Hinde
The recovery of heavy minerals by gravity concentration during grinding is practised widely in the minerals industry. Studies have shown that the grade and recovery of the concentrate depends not only
Jan 1, 1985