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Modern Coal Flotation PracticesBy Gary F. Meenan
The industrial practice of froth flotation for upgrading the quality of fine coal is a relatively complex, expensive, and inefficient process when compared to the coarse- and intermediate-size coal cl
Jan 1, 1999
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Sedimentology Of The Salem Limestone In IndianaBy Ned M. Smith
The Mississippian Salem Limestone, from which dimension stone is quarried in Indiana, is principally a calcarenitic rock formed of fossil bryozoans, echinoderms, and specimens of Endothyra. Numerica
Jan 1, 1966
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Construction of the NuMI Underground Laboratory FacilitiesBy Christopher Laughton, Michael P. Bruen
At Fermilab, a 4000-ft long underground complex has recently been constructed for a high-energy physics experiment. The complex is sited up to 350 ft, below grade principally in bedrock. The rock exca
Jan 1, 2003
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Construed Geotechnical Characteristics Of Foundation Beds By Geophysical MeasurementsBy F. Vallianatos
The main objective of the present investigation is to demonstrate the potential of ERT (Electrical Resistivity Tomography) and HVSR (Horizontal to Vertical Spectral Ratio) methods as geophysical tools
Jan 1, 2006
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A Case Study: Successfully Managing Excessive and Rapid Slope Deformation in an Open Pit Mine Utilizing Slope Monitoring Radar Systems - SME Annual Meeting 2024By Justine Ealy, Daniel Yang, Christina Foster
Maintaining stable high walls can be a challenging task. Complex geological and structural features, alteration zones, rock mass properties, and hydrogeological conditions must be well understood to d
Feb 1, 2024
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Numerical Prediction Of Subsidence With Coupled Geomechanical-Hydrological ModelingBy S. P. Girrens
A coupled finite element geomechanical- hydrology code is currently under development for application to the problem of predicting groundwater disturbances associated with mine subsidence. The structu
Jan 1, 1982
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Typical Large Sulfide Flotation MillsBy J. B. Knapp, J. W. G. Betts, Scott L. Burreill, J. H. Bassarear, E. A. Lowe, W. J. N. Davis, John L. Bolles, Gaylord P. Dopson, William H. Keener, N. S. L. Steenkamp
This chapter contains moderately detailed descriptions of some typical and well known mills that treat predominantly sulfide copper ores, some containing secondary values in gold, silver, and molybden
Jan 1, 1985
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Analyzing Coal Mine Productivity – Factors That PlayBy William J. Douglas
Defining Productivity Productivity is a principal concern to all organizations - industrial, commercial, government, and academic. As a ratio of output to input, productivity measures the efficiency
Jan 11, 1983
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Estimation Of Support Load Requirements For Underground Mine Openings By Computer Simulation Of The Mining Sequence ? IntroductionBy William G. Pariseau
The purpose of this paper is to present a design procedure for the quantitative estimation of support load requirements in underground mines. Emphasis is upon the basic features of support behavior co
Jan 1, 1975
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An Operations Research Approach To The Equipment Replacement Problem ? IntroductionBy Hubert E. Sherer
The mining industry is presently one of the most heavily capitalized industries in the U.S. (U.S. - Statistical Abstracts, 1979). U.S. sales of new mining equipment (not including environmental, prepa
Jan 1, 1982
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Design-Build: Elevating Partnering to a Higher LevelBy Curtis A. Pledger, H. Lee Wimmer, I. Michael Gowring
The Upper Diamond Fork Project, as part of the Central Utah Project Completion Act, conveys water six miles from the existing Sixth Water Aqueduct to the Diamond Fork Pipeline. During design, a Value
Jan 1, 2003
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Some Aspects Of Subsidence Monitoring In Difficult Terrain And Climate Conditions Of Rocky Mountains Western CanadaBy M. Y. Fisekci
Subsidence measurement methods, applied over the thick and steep seam mining in the Rocky Mountains Region of Western Canada are described. The studies to date indicate that two new subsidence monitor
Jan 1, 1982
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The Formidable Separation Machine Packed Column FlotationBy T. P. Meloy
The packed column flotation cell is an awesome separation device. Virtually unknown and untested, the packed column flotation cell is one of the ten most important developments in mineral processing o
Jan 1, 1994
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Mining for success: ESPRIT CAM helps SandvikSandvik built its first stone crusher in 1896 and has since grown to become a world leader in mining equipment. ?We are the best in the world, and we can now be even better at making our cone and ja
Jan 1, 2014
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Gold Deposits Of The Goldstrike Mine Carlin Trend, Nevada (e3674096-efaa-43e3-bb1a-07ff94423e7a)By K. H. Bettles
The Goldstrike Mine is in Eureka County, Nevada, approximately 23 miles northwest of the town of Carlin. The mine is at the north end of the Tuscarora Spur of the Tuscarora mountains at elevations of
Jan 1, 1989
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The Methodology Through Adverse Geology Ahead of Pinglin Large TBMBy C. P. Shen, H. C. Tsai, Bennie Chu, Y. S. Hsieh
The Pinglin tunnels are situated within the fold-and-thrust belt structural region in Taiwan, due to continent-arc collision and plate tectonic setting. The pilot tunnel TBM (§=4.8m) became stuck ten
Jan 1, 1999
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Rocks and Minerals in The Regolith of The Moon: Resources for a Lunar BaseBy Lawrence A. Taylor
The rocks and minerals of the moon will be included among the raw materials used to construct a lunar base. The lunar regolith, the fragmental material present on the surface of the Moon, is composed
Jan 1, 1990
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Role of sodium silicate in phosphate flotationBy I. Iwasaki, H. Dho
The role of sodium silicate in the anionic flotation of a Florida phosphate ore was investigated using laboratory continuous flotation tests, frothabiliry tests and SEM observations. In the absence
Jan 1, 1991
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Geologic - Setting And Operations Overview, Lucerne Valley Limestone Mining District, Lucerne Valley, CaliforniaBy Howard J. Brown
The Lucerne Valley limestone mining district is in the San Bernardino Mountains, one of the major ranges in the Transverse Range Province of southern California. Several large limestone mining operati
Jan 1, 1987
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Design of PlantsBy F. A. Gates, Bengt Samuelson, James E. Edmunds, S. McCune, Neil Hario, Norman L. Weiss, J. M. Bertram, A. M. Cavaliere, F. M. Jr. Stephens, D. D. Chiang
DESIGN BASIS Size of Project The size of the project generally is expressed in tons of ore milled per day, but company policies differ widely in this respect with a few adhering to this set figu
Jan 1, 1985