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  • SME
    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

  • SME
    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

  • SME
    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

  • SME
    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

  • SME
    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

  • SME
    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

  • SME
    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

  • SME
    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

  • SME
    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

  • SME
    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

  • SME
    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

  • SME
    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

  • SME
    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

  • SME
    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

  • SME
    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

  • SME
    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

  • SME
    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

  • SME
    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

  • SME
    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

  • SME
    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