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Preliminary results of physical, geochemical, and sediment characteristics in the Benthic environmental Impact experiment Site (BIS) of Korea
By Kiseong Hyeong, Young-Tak Ko, Gee Soo Kong
"The benthic environmental impact experiment addresses environmental impacts at a specific site related to deep-sea mineral resource development. For such a purpose, since 2010 we have carried out ess
Sep 1, 2014
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Circulation of Sodium Sulfate Solution Produced During NiMH Battery Waste Processing Mining, Metallurgy and Exploration (06a20e42-2867-46de-b95c-3ec174a5f1de)
By Antti Porvali, Vivek Agarwal, Mari Lundström
Hydrometallurgical recovery of rare earth elements (REE) from NiMH battery waste can be performed using sulfuric acid leaching followed by selective precipitation as double salt (REENa(SO4)2·H2O) by a
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Circulation of Sodium Sulfate Solution Produced During NiMH Battery Waste Processing Mining, Metallurgy and Exploration
By Antti Porvali, Vivek Agarwal, Mari Lundström
Hydrometallurgical recovery of rare earth elements (REE) from NiMH battery waste can be performed using sulfuric acid leaching followed by selective precipitation as double salt (REENa(SO4)2·H2O) by a
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Geochemical types of sulfide ore as indicators of mineral evolution at the hydrothermal vent field Jubileynoye (MAR)
By Anna Sukhanova, Svetlana Babaeva, Sergey Andreev, Victor Beltenev
"The Zenith-Victoria /1/ and Jubileynoye /2/ hydrothermal fields have symmetrical structural position on the Mid Atlantic Ridge (Fig. 1). In order to compare the evolution of hydrothermal systems, we
Sep 1, 2014
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Productivity Gains Using A Computer-Aided Earthmoving System On A Track-Type Dozer
By 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
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Technical innovations spur resurgence of copper solution mining
By J. B. Hiskey
Introduction The domestic copper industry has suffered for some time from declining ore grades; rising costs associated with conventional mining, milling, smelting and refining; tightening environm
Jan 11, 1986
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Remote-Control Monitoring Cuts Maintenance Costs
By Michael W. Lewis
The latest downturn in the world’s metal prices has forced many mining companies to focus on cost reduction and productivity improvements to remain competitive. Maintenance represents a significant p
Jan 1, 2000
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Canadian Companies Make Their Pitch At PDAC
At the Prospectors and Developers Annual Convention (PDAC) in Toronto, Canada mining and exploration companies of all sizes were on hand to discuss the year that was and those that will be. The follow
Jan 1, 2009
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Slurry Pump Design Features
By George Wilson
When pumping abrasive slurry mixtures, special attention must be given to pump design and construction. The second article in this two-part series describes some design features to consider when selec
Jan 10, 1981
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Floodplain Aggregate Mining In Western Oregon (2ca5f679-fd59-4011-96c0-926073fa7dc9)
By E. F. Schnitzer, S. R. Mamoyac, P. J. Wampler
During 1996 and 1997, Oregon experienced flooding on a scale not seen in many years. Some gravel pits located near rivers experienced erosion and, in several cases, breaches between the gravel pit an
Jan 1, 1999
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Floodplain Aggregate Mining In Western Oregon (b3a583d5-3e7a-4dd2-84c0-16936e808842)
By E. F. Schnitzer, P. J. Wampler
During 1996 and 1997, Oregon experienced flooding on a scale not seen in many years. Some gravel pits located near rivers experienced erosion and, in several cases, breaches between the gravel pit an
Jan 1, 1999
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A Tale Of Two Pit Lakes: Initial Results Of A Three-Year Study Of The Main Zone And Waterline Pit Lakes Near Houston, BC
By G. Lawrence, R. Pieters, A. Leung, T. Pedersen
The Main Zone and Waterline pit lakes at the Equity Silver Mine near Houston, BC (Canada) are the sites of a new 3-yr research program with three primary goals: 1) understanding controls on metal con
Jan 1, 2002
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Closing the Historic Alaska-Juneau Mine
By Joseph L. Petrillo
In July 1997, Kvaerner Environmental signed a unique contract with Echo Bay Alaska called the Transfer Risk and Accelerate Closure (TRAC). The contract called for Kvaerner to assume the responsibilit
Jan 1, 1999
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Large Excavator Cuts Operating Costs at Alabama Coal Mine
By Bill Elverman
Randy and Kenny Robison have visited every coal mine that would let them in the door, to survey the best mining practices. The brothers have spent nearly their entire lives working in coal operations
Jan 1, 2005
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Port Authority Of Alleghany County North Shore Connector Project Tunnels And Station Shell Case History Contracts 003 And 006
By Paul Zick
The Port Authority of Allegheny County North Shore Connector (NSC) Project involves TBM excavation of twin 690 m (2,240 lf) precast segment lined light rail tunnels through soil and rock under the All
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Solutions To Reduce Blast-Induced Ore Loss & Dilution At Ahafo Gold Mine In Ghana
By W. Rogers
Blast-induced rock mass displacement can have a significant impact on ore loss & dilution. The mischaracterisation of the grade boundaries both prior to, as well as a result of blasting can lead to si
Jan 1, 2012
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What It’s Worth – A Review of Mineral Royalty Information (3f7e7070-03d1-4ef1-890a-5969adff070d)
By H. Lyn Bourne
This is the ninth annual tabulation of royalty information. Again this year, some of the older information has been deleted to make room for more than 30 new entries. Several articles and publicati
Jan 1, 1991
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The Tichauer-DeTomi Matrix: a Tool for Assessment of Geological Uncertainty in Small-scale Mining Mining, Metallurgy and Exploration (9437b467-4b8d-4115-856e-5795cdbb6370)
By Giorgio De Tomi, Ricardo Tichauer
Mineral exploration is a critical step for success in mining. However, small-scale mining often ignores exploration best practices. This paper introduces the Tichauer-DeTomi Matrix, a tool for assessm
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New Technology In Shaft Sinking The Craig Project (881ea9c2-d5ae-480c-bdfb-c660ed52f398)
By W. R. Dengler
Dynatec Mining Limited contracted to sink a lS00 metre (4960 ft.) concrete lined shaft for Falconbridge Nickel Mines in Sudbury, Ontario, Canada. The shaft is 6.3 metres (20.S ft.) in diameter inside
Jan 1, 1992
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Extraction and Separation of Zirconium Using 1-Octanol Mining, Metallurgy and Exploration) (58a7adb7-21cd-47cb-bca7-f6dd6d33ac42)
By P. L. Crouse, S. J. Lubbe, M. J. Kabangu
A selective extraction and separation of zirconium by solvent extraction with 1-octanol is proposed. The process is based on the dissolution of the metal basic carbonates in hydrochloric acid in the p