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Colorado School of Mines Research Institute Involved in Variety of ProjectsBy Paul R. Smith
The Colorado School of Mines Research Institute (CSMRI) was founded in 1949 to fill mining industry and government needs for minerals research and development. The operations of scores of mines, mills
Jan 2, 1982
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Daylighting Thorn Creek Tunnel Into Chicago?s Tarp Thornton Composite ReservoirBy Cary Hirner
The Metropolitan Water Reclamation District of Greater Chicago (District) is in the final phase of completing the Calumet System component of the Tunnel and Reservoir Plan (TARP) by bringing the Thorn
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Space Mining – Boondoggle or the Next Gold RushBy Richard E. Gertsch
If you believe that the goal of the space program should be a permanent, manned presence in space, then you believe in space mining. Historically, mining has been an integral part of the frontier. For
Jan 1, 1991
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Managing cyclones: A valuable asset, the Copper Mountain case studyBy M. Westendorf, T. Banerjee, S. Kaushik, D. Tinney
"Cyclones are one of the most extensively used pieces of equipment within the mineral processing industry because of their simplistic operating and maintenance philosophies. They are commonly used as
Jan 1, 2014
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Northeast Interceptor Sewer Case HistoryBy Brett Zernich, Michael Krulc, Brett Robinson
This paper provides an account of the efforts undertaken to construct the Northeast Interceptor Sewer (NEIS) project, which is a portion of a much larger program in Los Angeles, California to upgrade
Jan 1, 2005
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A Framework For Simulating The Flotation ProcessBy E. V. Manlapig
This review paper describes recent advances that have been made at the Julius Kruttschnitt Mineral Research Centre (JKMRC) in Brisbane in developing a framework for simulating the flotation process. T
Jan 1, 2001
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Geology And Geochemistry Of Stockwork Gold Mineralization At The Yarnell Mine, Yavapai County, Arizona (9f97aa0a-cfbb-41e8-bc34-a6d559d1020c)By T. C. Page
The Yarnell gold depoSit, located in the Weaver mining district of Yavapai County, Arizona is found within a structurally controlled, hydrothermally altered zone that occurs within a 1700 Ma granodior
Jan 1, 1992
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Sensor Developments In The Determination Of Alumina To Caustic RatioBy J. Wright
Since the 1960’s toroidal conductivity has been used to determine the Alumina to Caustic ratio of the digester discharge liquor stream. In recent years the application of ceramic materials have allowe
Jan 1, 2001
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Optimization Process of the Refractory Gold Ore Extraction by Hypochlorite Oxidative Leaching "Mining, Metallurgy & Exploration (2021)"By SUHAINA ISMAIL, NORLIA BAHARUN, SHAIK ABDUL RAHMAN, WAN NUR SYAFIQAH ANUAR, MOHAMMAD REZAEI ARDANI
Hypochlorite leaching system is a strong oxidizing solution for metal sulfides, which are naturally associated with gold extraction. This study evaluated the hypochlorite leaching of refractory gold o
Jan 8, 2021
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Iron Removal From Turkish Quartz Sand By Chemical Leaching And BioleachingBy V. Arslan
The primary advantage of using oxalic acid is in the formation during leaching of soluble complexes that are both photo-chemically and microbiologically degradable. In this study, chemical leaching an
Jan 1, 2009
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Selective mining and good grade control are key to Carlin Gold’s successBy Gerald C. Smith
Introduction Newmont Mining Corp.'s Carlin Gold Mining Co. mines gold ore and waste material from four open-pit mines in Northeastern Nevada. Combined production rate is 24.5 Mt/a (27 million st
Jan 11, 1985
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The Occurrence and Concentration of Rare Earth Elements in Acid Mine Drainage and Treatment By-products: Part 1—Initial Survey of the Northern Appalachian Coal Basin Mining, Metallurgy and ExplorationBy Paul F. Ziemkiewicz, Aaron Noble, Christopher R. Vass
The conventional rare earth element (REE) industry has historically sought to develop ore deposits where geologic processes have produced mineralized zones with commercially attractive REE concentrati
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The Occurrence and Concentration of Rare Earth Elements in Acid Mine Drainage and Treatment By-products: Part 1—Initial Survey of the Northern Appalachian Coal Basin Mining, Metallurgy and Exploration (4e302343-6c3c-4087-9974-a71041343ce5)By Paul F. Ziemkiewicz, Aaron Noble, Christopher R. Vass
The conventional rare earth element (REE) industry has historically sought to develop ore deposits where geologic processes have produced mineralized zones with commercially attractive REE concentrati
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Algorithms for Parametrizing Reserves under Different Geometrical Constraints - IntroductionThe technical parametrization of reserves is a technique which has made an important contribution to the definition and the calculation of optimal mining projects. Its applications to a new open-pit o
Jan 1, 1982
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Assessment Of Stable And Failed Pillars In Underground Limestone MinesPillars in underground limestone mines are required to support the overburden and provide a safe, stable working environment for mining personnel and equipment. Pillar stability was assessed by the Na
Jan 1, 2008
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Case Study of Longwall Mining in Mine No. 95, Consolidation Coal Co.By Warder A. Shaver
INTRODUCTION Mine No. 95 of the Consolidation Coal Co., a divi¬sion of Continental Oil Co., is located in Shinnston, WV. Mine No. 95 was opened in January 1967 and has been operating continuously sin
Jan 1, 1982
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Niagara Tunnel ProjectBy Doug Harding
The Niagara Tunnel Project (NTP) is a 10.4 km (6.5 mi) long, 14.4 m (47.5 ft)bored tunnel that will run under the City of Niagara Falls from the Upper Niagara River to the Sir Adam Beck Power Station.
Jan 1, 2007
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Thermoanalytical Study On The Oxidation Of Sulfide Minerals At High TemperaturesBy S. E. Pérez-Fontes
An experimental study on the oxidation of chalcopyrite (CuFeS2), pyrite (FeS2), covellite (CuS) and chalcocite (Cu2S) particles was conducted by means of differential scanning calorimetry (DSC) and th
Jan 1, 2007
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Making Headway: All-Tool Carriers And Attachments Are Making An Impact On Advanced TunnelingBy Peter Bigwood
Whether drilling through tough clay or breaking rock, or facing the most severe conditions including mixed face ground, perched water and running and flowing sands, working under-ground certainly come
Jan 1, 2012
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Productivity Gains Using A Computer-Aided Earthmoving System On A Track-Type DozerBy D. R. Gagnon
Mining companies are continually looking for product-ivity and efficiency improvements with their equipment to reduce operating costs. This paper will review the results of a productivity analysis co
Jan 1, 2002