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OFR-12-87 Development And Validation Of A Comprehensive Mine Rescue Team Training ProgramBy Ronald Althouse
During the past five years under contract with the U. S. Bureau of Mines (BOM Contract J0308002). West Virginia University's Mining Extension Service (WVU-MES) has designed, developed) and delive
Jan 1, 1986
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Mining Operations and Slurry Pipelines Update and FutureBy R. A. Hill, J. D. Pitts
"Long distance slurry pipeline systems have been successfully trans-porting steam coal, iron concentrates, copper concentrates and limestone for an aggregate of nearly 60 years and nearly three billio
Jan 1, 1978
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The Geological Strength Index (GSI): A Characterization Tool For Assessing Engineering Properties For Rock MassesBy Paul G. Marinos, Vassilis Marinos, Evert Hoek
The Geological Strength Index (GSI) is a system of rock mass characterization that has been developed in engineering rock mechanics to meet the need for reliable input data related to rock mass proper
Jan 5, 2007
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Kinetics And Thermodynamic Parameters For The Manufacturing Of Anhydrous Zirconium Tetrafluoride With Ammonium Acid Fluoride As Fluorinating Agent ? SynopsisBy C. J. Pretorius
More than 30 percent of the global demand for zircon (ZrSi04) is supplied by South Africa. A significant amount of the zircon is exported, and beneficiated products are then imported for industrial ap
Jan 1, 2012
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Innovative Retaining Wall with Jet Grout for New Metro Tunnel Underneath Amsterdam Central StationBy B. J. Schat, A. W. O. Bots, O. S. Langhorst
Amsterdam City Council is building a new metro line, the North–South Line. The line passes under Amsterdam Central Station (a listed building) about 18m below street level. The retaining wall that has
Jan 1, 2007
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Advances in Precious Metal Trace Element Analyses for Deportment using LAM-ICP-MSBy Paul J. Sylvester, Yeonuk Choi, Mike Nelson, Louis J. Cabri, Mike Tubrett
"The development and characterization of sulphide standards containing as many as seven precious metals has increased the efficiency and comprehensiveness of micro-analyses for deportment studies usin
Jan 1, 2010
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The Development of Brown Coal Char as a New Metallurgical FuelBy Kennedy G. L, Evans D. G
The development of the carbonization of brown coal briquettes to produce a hard char suitable for use in place of imported hard coke has continued in Victoria, and an experimental carbonization plant
Jan 1, 1960
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Two-Stage Crushing For Concentrating Minor Rare Metals from E-ScrapBy Kosuke Hosoda, Shuji Owada, Hiroyuki Tokuichi, Hirobumi Ohta, Chiharu Tokoro, Moto-o Sato, Katsushi Okumura, Hiroto Ogawa, Hideaki Umezawa
The Japanese government enforced the "Small Domestic Appliances (SDAs) Recycling Law" in 2013. The law targets metals such as Ta, Nd, Dy, Co, and W to be recycled. Considerable amounts of these minor
Jan 1, 2014
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Engineering application of thrust block analysis in slope stability problems in open pit mines - SynopsisBy K. N. Karparov
The classical limit equilibrium methods are suspected to be ineffective in predicting the potential for highwall failure in many instances in coal mines around the world. Slope engineers have for many
Jan 1, 2009
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Factors Contributing to the Occurrence of Unexploded Charges in Underground Blasting PracticeThe presence of undetonated explosives in a rock face after firing constitutes a hazard which can result in a fatal or serious accident if undetected before drilling commences.Most accidents caused by
Jan 1, 1956
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Blast Design & Diagnostics Using Portable Solid State, High-Speed Videography SystemsBy Laura Bastemante, Bruce Vandenberg, Fred Huettig
Recent advances in solid-state, field portable, fast framing video camera systems and PC based frame capture hardware now allow blast imaging up to loo0 frames per second. Up to 8 seconds of data can
Jan 1, 1997
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IC 6991 Gold Mining And Milling In The Wickenburg Area, Maricopa And Yavapai Counties, Ariz. ? IntroductionBy O. H. Metzger
This is one of a series of papers being published by the Bureau of Mines on mining areas and districts in the Western states. It describes mining and milling practices in the vicinity of Wickenburg in
Jan 1, 1938
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MLA 8-88 - Mineral Resources Of The Lemhi Range Study Area, Lemhi And Custer Counties, IdahoBy Eric E. Cather
In 1984 and 1986, at the request of the U.S. Forest Service, the U.S. Bureau of Mines conducted a mineral appraisal of the 315,000-acre Lemhi Range study area. This area is located in Lemhi and Custer
Jan 1, 1988
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What We Learned While Determining VOD’s in Underground Small Hole BlastingBy Scott Rosenthal, Kyle Murphy
This paper discusses the trials and tribulations of obtaining Velocity of Detonation (VOD) readings in small diameter blast holes in an underground mine. Montana Technological University (Montana Tech
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A Glossary of Terms Used in Mining-GeologyWhen perusing articles which treat of mining geology, and when talking with miners on the field, one is at times unable to follow the exact thoughts intended to be expressed, owing to the introduction
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Prevention of corrosion in aircraft -an overview of the evolution of materials and protective treatmentsBy L. Salnais
"Aluminum alloy structural components f or aircraft designed prior to the early 1970s, were machined from 2024, 7075 and 7079 plate, bar and forgings in either the T3xxx of the T6xxx tempers. Protecti
Jan 1, 1988
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Bleeder Entry Evaluation Using Condition Mapping and Numerical ModelingOne 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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Methods of Treatment of McArthur River Mixed ConcentrateVarious steps, and complete sequences, for the recovery of lead and zinc from a mixed sulphide concentrate, high in silica and pyrite, have been tested.Oxidation steps of roasting in air or in a sulph
Jan 1, 1975
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OFR-151(1)-83 Development Of A Procedure For Land Use Potential Evaluation For Surface-Mined LandBy Raja V. Ramani
Productive and beneficial use of reclaimed surface-mined land is a concern of industry, government, and the general public. An investigation was conducted of current mined-land planning practices to a
Jan 1, 1983
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Technology rules at MINExpo 2016; 44,000 attend three-day expo in Las VegasBy Ken Goering, Steve Kral, William Gleason
"Once every four years, the global mining industry gathers in Las Vegas, NV for MINExpo International. According to the show’s organizer, The National Mining Association (NMA), about 44,000 people att
Dec 1, 2016