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Minerals Beneficiation - A Modified Laboratory Flotation CellBy A. Raja, C. C. Harris
Apparatus for maintaining constant — but adjustable — pulp level and rate of froth removal are described. The results of preliminary experiments into the effect of scraping speed on the rate of solid
Jan 1, 1967
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Geology and stable isotope study of Arthrath mafic intrusion and Ni-Cu mineralization, northeast ScotlandBy R. L. F. Kay, T. A. Fletcher, A. J. Boyce, C. M. Rice
Paper presented at Mineralisation in the Caledonides, the Mike Gallagher memorial meeting held in Edinburgh, 27-28 June 1996. The synorogenic, mafic Ordovician intrusion comprises orthopyroxene-rich x
Jun 19, 1905
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RI 8865 The Theory of Flammability Limits - Flow Gradient Effects and Flame StretchBy Martin Hertzberg
In this Bureau of Mines study, an equation is derived for the limit burning velocity for divergent, spherical propagation from an ignition kernel of radius, r: (Su)e = ( ) . For flame propagation into
Jan 1, 1984
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The Metallurgical Development of an Enargite-Bearing DepositThe Metallurgical Development of an Enargite-Bearing Deposit
Sep 13, 2010
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Design of Large and Shallow Caverns of New York Second Avenue SubwayBy Verya Nasri
The proposed Second Avenue Subway Project in New York City is approximately 8.5 miles long, up to a depth of 120 feet beneath grade and runs the length of the eastern side of the island of Manhattan f
Jan 1, 2008
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Modeling of Dynamic Break in Underground Ring BlastingBy Troy Williams, Chris Preston, Ian Lipchak
"Underground blasting operations are challenging from the standpoint of the distribution of explosivesenergy representative of ring blasting. Energy from both shock and pressure regimes of commerciale
Jan 1, 2016
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Building and Calibration of a Geotechnical Model for Sublevel Open Stope Design at Olympic DamBy I Thin, L Morizzi, C Seymour, G Mungur
Olympic Dam has been investigating mine design options for the South Mine Area (SMA), which will continue using the existing sublevel open stoping (SLOS) method. The SMA is an undeveloped mining area,
May 9, 2016
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Implementation Of On-Line Particle Size And Concentration Analysis For Grinding OptimizationBy A. Pankewitz
The well-established on-line particle size analyzer OPUS manufactured by Sympatec GmbH, has been successfully implemented in several mining and industrial minerals project. OPUS monitors the particle
Sep 1, 2012
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The IPMI Journal 2021By IPMI Educational and Scientific Foundation
It is with great pleasure that we announce the availability of this fourth issue of the IPMI Journal, a publication of the International Precious Metals Educational and Scientific Foundation. This dig
Dec 1, 2021
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Epithermal Deposits and Analogous Geothermal Systems - A Physical Size Comparison with Implications for ExplorationBy J L. Mauk
Low sulfidation epithermal deposits are important sources of gold and silver, and are considered the extinct analogues of modern geothermal systems. The aerial extents of alteration halos that surroun
Jan 1, 2004
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OFR-130-78 Time Resolved Audio Dosimeter SystemBy Gordon R. Sima
This contract is concerned with the construction of a Time Resolved Audio Dosimeter System consisting of one readout unit and several dosimeter units. The Time Resolved Audio Dosimeter System was desi
Jan 1, 1977
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Bindura Nickel Corporation Smelter OperationsBy E. Dzingayi
Keywords: Pyrometallurgy, furnace, Bindura, nickel The smelter at Bindura Nickel Corporation processes concentrates from its own mines and other external sources. Concentrates are dried, smelted,
Jan 1, 2006
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Shaft Sinking Through Blairmore Sands and Paleozoic Water ... Bearing LimestonesBy S. A. Scott
In 1913, potash mineralization was recognized at a depth of over 7,000 feet in an oil-well hole (Norcanol's Radville No. 1 well) drilled near the town of Raddlle, Saskatchewan. Although, at this
Jan 1, 1963
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Reservoir Engineering - General - Steam Zone Growth in a Preheated ReservoirBy P. J. Closmann
Steam zone growth as a function of time has been calculated for the case of constant rate steam injection into a preheated reservoir. To simplify the calculation a linear temperature profile has been
Jan 1, 1969
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Resin-in-Pulp for Metalliferous Mine Drainage Remediation"Some of the tools developed for the processing of nickel laterite ore by resin-in-pulp (RIP) may be applicable to the remediation of metalliferous mine drainage (MMD). In both cases, recovery of meta
Jan 1, 2012
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Drilled Shaft Foundations For The KcICON Missouri River BridgeBy Paul J. Axtell
The design-build delivery system is being used to erect the landmark Christopher Bond Bridge as part of the kcICON project. The cable-stayed bridge is currently under construction and will span the M
Jan 1, 2009
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Engineering Work Leading To A Rock Tunnel PlanBy Forrest C. Neil, Clint J. Keifer
The pollution of our water supply, Lake Michigan, is a continuing threat so long as our overflows from combined sewers exist. The problems have become even more acute during recent years, due to the i
Jan 1, 1997
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Mineral Changes During Oil Shale RetortingBy Won C. Park
Experiments showed changes in the mineral content of dolomitic oil shale at temperatures and exposure times which bracket conditions encountered during in situ retorting. Laboratory results correlate
Jan 1, 1981
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OFR-8-88 Supervisory Management Selection And DevelopmentBy Grant R. Brown
This report presents the results of a study examining the relationship between supervisor characteristics and performance in underground coal mines, The specific objectives of the research include; do
Jan 1, 1987
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The Use of Nuclear Tracers to Evaluate the Gold Recovery Efficiency of SluiceboxesSluiceboxes can provide a much higher concentration ratio than most other gravity concentrators (up to 50 000:1) at very high overall placer gold recoveries (greater than 99 per cent). They are also v
Aug 1, 2010