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Plant Practice in Iron Ore ProcessingBy R. Bruce Tippin
Background Iron ore is the No. 1 metal mining industry in the U.S. with dollar value of $2.3 billion in 1984 (U.S.B.M Mineral Commodity Sunnnaries , 1985). However, during the past decade this nat
Jan 1, 1986
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Scaleup of Pressure Oxidation ProcessesBy D. D. Gertenbach
"The successful commercialization of a pressure oxidation (POX) process for recovering metal values, including gold, copper, zinc, nickel and molybdenum, is the result of a carefully planned developme
Jan 1, 2016
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Mine Audits: Rights, Obligations And Pitfalls - IntroductionBy M. T. Webster
Views about the proper aim of public policy are, of course, matters of perspective and debate. Regardless of perspective, one would assume some consensus around the view that public policy ought to e
Jan 1, 2012
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An Update On “The Good, The Bad, And The Ugly” Silica--RevisitedBy E. A. Metz
It has been approximately four years since IARC reclassified crystalline silica as a “Group One” substance. Since that time, crystalline silica has been considered a human carcinogen. Silicosis i
Jan 1, 2000
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Are Estimators Getting It Right? Comparing Actual And Estimated CostsBy J. Leinart
As is readily apparent, the reliability of the early-stage costs estimated for any mining project are critical to the viability of that project. An estimate too high might leave a potentially profitab
Feb 27, 2013
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Robotic Application of a 50mm Thick Sprayed Concrete Fireproofing LayerBy Eleanor Kentish, Edward Batty, Alan Skarda
"The design of the tunnels at Bond Street Station includes a final sprayed concrete fireproofing layer. The performance of this layer was verified by a program of testing to Crossrail’s KT24 specifica
Jan 1, 2016
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Reconnecting Urban Landscapes Through Highway Lidding and Tunneling: A Comprehensive Study on Methodologies, Benefits, and Safety Considerations - NAT2024By Bernd Hagenah, Katie Theis, Cristina Lauzon, Petr Pospisil
Lidding over or tunneling existing transportation infrastructure is currently under review in several U.S. cities. The main reasons for this are the use of the created space for urban development, the
Jun 23, 2024
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Enhancing Robotic Perception for Autonomous Roof Bolting Using an Event Based Machine Learning Framework - SME Annual Meeting 2024By Akram Marseet, Andrew J. Petruska, Rik Banerjee
Underground mine roof bolting is a crucial operation for miners’ safety and mine sustainability. Since roof bolting is a manual or human-supervised operation, miners’ safety is at risk due to dust or
Feb 1, 2024
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What happened to my gold? Questions to askBy C. Roos
Traditionally within the mining industry, the main functional process flow for resource and reserve evaluation proceeds from geologists who build the geological model, to resource estimation geologist
Jan 1, 2014
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Investigation of Climatic Conditions in Underground Coal Mining Mining, Metallurgy and Exploration (63acde09-eb8c-4eb1-b788-340f56a030a7)By İbrahim Çınar, Hakan Özşen
Mine workers in heavy and dangerous work are under several physical risk factors, for example temperature, humidity, noise, vibration, lighting and air velocity. Thermal comfort includes parameters su
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Demonstration Plant Test Results Of The Otisca Process Heavy Liquid Beneficiation Of CoalBy D. V. Keller
The use of a static bath of a heavy liquid of intermediate density between two mineral phases has been employed for beneficiation for over one-hundred years (1-6). In the case of the heavy liquid sepa
Jan 1, 1977
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Why Did It Fail?By William E. Robinson
Why did it fail? My first reaction when assigned this topic was to say: because somebody "goofed"--then thank you all for letting me say those few words, then promptly sit down. All of you have been
Jan 1, 1977
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The 1980’s – Hard Times With a Golden LiningBy William R. Yernberg
The early part of the decade was marked by world-wide problems and economic difficulties. In 1980, President Jimmy Carter ordered the failed military mission to rescue hostages in the U.S. Embassy in
Jan 1, 2007
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A Technique For Obtaining Bulk Samples Of Coal From A Small Diameter BoreholeBy Colonel Oattis E. Parks
The quantity of coal recovered by diamond coring techniques is not sufficient in many instances to make meaningful coking and/or ash fouling tests. Quantities in excess of that obtained by conventiona
Jan 1, 1973
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Theoretical And Practical Studies On Dump LeachingBy Roshan B. Bhappu
Although the economic importance of recovering copper by leaching of mine work dumps from open-pit operations has been realized for some time, serious attempts to understand and to improve such operat
Jan 1, 1968
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Mining Sites on Superfund's National Priorities List - Past and Current Mining PracticesBy Van E. Housman, Stephen D. Hoffman
The Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA), also known as "Superfund", requires a listing of sites that have known releases or threatened releases of ha
Jan 1, 1992
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Glenbrook Nickel – Can New Caledonian Ore Save the Only US Nickel Producer?By Kerry Spickelmier
The only nickel smelter and the only active nickel mine in the United States is Glenbrook Nickel Co., a joint venture (50% each) of Cominco Resources International Ltd. and Cominco Ltd. In 1989, with
Jan 1, 1993
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Four Mining Greats To Be Inducted Into The National Mining Hall Of FameThe National Mining Hall of Fame and Museum (NMHFM) in Leadville, CO will induct the class of 2011 on Sept. 10, 2011. Representing the coal, metallurgical/processing, research and development, marbl
Jan 1, 2011
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A Comparative Study Of Selected Rock Stress And Property Measurement Instruments ? IntroductionBy J. R. Hoskins
Method - A direct approach to instrument users, initially by letter and later by telephone or personal contact was made. The resultant data was compiled to give specific use information on the seven i
Jan 1, 1973
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Recruiting Future Mining EngineersBy P. Conrad, S. Rosenthal
"Engineers remain in demand. Job opportunities in the United States still exceed the number of students graduating from college with degrees in Mining Engineering. Although enrollment is up for freshm
Jan 1, 2015