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From Laboratory To Plant Implementation, A Study In Gravity ConcentrationBy Mark Van Kleek
CONTENTS ?The Falcon C ?Data from a Production Trial ?Methodology ?Scale-up ?Test Results ?Circuit Configurations ?Conclusion
Jan 1, 2006
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Human Health Risk Assessment For Metallic Chromium And Trivalent Chromium In Accordance With European Union LegislationBy V. Riihimäki, M. Luotamo
The Unit of Toxicological Risk Assessment of the Finnish Institute of Occupational Health (FIOH) is conducting a 'Health Risk Assessment for Metallic Chromium and Trivalent Chromium' under t
Jan 1, 2004
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OFR-153(4)-82 Bureau Of Mines Oil Shale Data Bank - Part III - Recent Research Projects - IntroductionBy Richard E. Thill
The Bureau of Mines' Oil Shale Data- Bank (OSDB) was created in 1976 to serve as a centralized source for the storage, retrieval, and dissemination of technical literature, patents, and informati
Jan 1, 1982
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The Tifalmin Porphyry Copper Gold District, Star Mountains, Western Papua New GuineaBy L D. Queen
"An EXTENDED ABSTRACT is available for download. A full-length paper was not prepared for this presentation. The Tifalmin porphyry copper district is located in the Star Mountains roughly 35 km north-
Mar 18, 2015
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Large-Diameter Tunneling Collapses: Recovery Design and ExecutionBy Bradford F. Townsend
A study was made on six collapses that occurred during large-diameter tunnelling through weak sedimentary rocks and soil using SES methods in three stages?top heading, bench and invert. The collapsed
Jan 1, 2008
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Optimization techniques for the open pit limit problemBy Giannini M
Of the optimization techniques proposed in determining the optimum open pit limits, dynamic programming and graph theory have proved most successful. However, publications on these two methods lack a
Jan 1, 1986
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Improvements in the Application of Water Cooled Tests for CupellationSince the introduction of water cooled test rings the operation of cupelling retort bullion has not alone been sImplified, but has also been the means of concentrating the bullion for the fining test
Jan 1, 1901
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Top Slicing In Old Fills At El Bordo Mine, MexicoBy R. J. Mechin
TOP-SLICING was introduced in the Pachuca district in 1917 by T. C. Baker, at that time mine superintendent, of the Santa Gertrudis mine. There then existed 1200 ft. (365.7 m.) below the surface, lyin
Jan 10, 1925
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Proposals to Reopen the Sylvia MineThis paper describes a proposal to reopen the Sylvia gold mine for underground exploration and development for an initial production of 10 000 tpa. A combination of trackless mining equipment and rail
Jan 1, 1987
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Column Flotation in an Oilsand ApplicationBy Kim Wiwchar, Elizabeth Mbaja, Lynne Dang, Jim Furey, Anita Marks
"Suncor Energy Inc., located north of Fort McMurray, Alberta, commenced pilot scale operation using a CPT 4’ diameter flotation column in March 2003. This larger scale trial follows two previously suc
Jan 1, 2004
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Determination of Relative Economic Values of Mill ReturnsIN concentrating mills, where several millerals are recovered for realisation in more than one product, various systems are used to express the relative economic value of the work done, and, in the ho
Jan 1, 1931
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Design and construction of tunnel portals under difficult geotechnical conditionsBy R. M. Spang
Abstract Between the German city of Dresden and the Czech capital Prague a 4-lane highway is under con-struction. At the outskirts of Dresden it will cross the narrow and deeply eroded Weißeritz V
Jan 1, 2003
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"Suppression of Dust Generation during Blast Demolition of ConcreteColumns"By Chulgi Suk, Hoon Park, Hyonsoo Kim, Hakman Kim, Sangho Cho
Dust emission from blast demolition and other construction activities can be a nuisance; it is widely recognized that fine particles less than 10 µm in equivalent diameter (called PM10) may cause heal
Jan 1, 2016
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Confidence Levels In EstimatesTraditionally, capital costs of major resource development projects have been estimated as a single amount to which a percentage accuracy has been assigned based on the method of preparation of the es
Jan 1, 1990
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A Review Of Sub-Saharan Heavy Mineral Sand Deposits: Implications For New Projects In Southern AfricaBy R. M. Tyler
The importance of the heavy mineral sands to southern African economic well-being cannot be over emphasized. The value of the worldwide titanium dioxide industry is estimated at $7 billion. Six out of
Jan 1, 2004
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Solar Drying of Laterite Ores at QNI Yabulu RefineryThis paper discusses the history and development of the system and the benefits that are being gained for Yabulu from Solar Drying. Following the end of mining of the local Greenvale and Brolga nickel
Jan 1, 2003
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Institute of Metals Division - Identification of Intermediate Phases in the Manganese-Titanium SystemBy R. M. Waterstrat
X-ray diffraction and metallographic examination of binary Mn-rich alloys with Ti revealed the presence of intermediate phases in this system. A binary R phase has been identified and also a phase hav
Jan 1, 1962
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Ore pass database: Quebec underground metal minesBy J. -F. Lessard
Most underground mines rely on ore pass systems to ensure the transport of ore and waste. The design and operation of ore pass systems often rely on past experience, which is often anecdotal and at ti
Jan 1, 2006
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Geology - An Eltran Electrode Configuration as Applied to Electrical Resistivity ExplorationBy F. A. Seward
A1though the expanding Eltran1 configuration has been used in induced polarization exploration for several years, there has been little application of this method to straight resistivity problems. A c
Jan 1, 1963
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Digital Automation Of Geotechnical Sites – The Development And Essential Role Of An Industry Standardised Design FormatBy Scott White, Pishun Tantivangphaisal, Andrew Bell, Chris Barker
There has been considerable advancement in recent years in the tools, both software and hardware, available to allow efficient digitalization of site records during the construction of geotechnical wo
May 1, 2022