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  • SME
    Sampling And Exploration - Equis And El Roble

    By George S. Barnett

    The Equis and El Roble projects are located in the Cordillera Occidental of Colombia. The Equis vein deposits have sulfide ore reserves of 95.9.5.5 mt (105.770 st) grading 8.51 g/mt (0.248 oz/st) gold

    Jan 1, 1984

  • SME
    Mercury Deportment In Coal Characterization: A Case Study

    By T. A. Toney

    A sampling program was conducted in 2008 to determine the run of mine characteristics of 5 coal seams. The sampling program included size analyses and float sink determinations. The samples were ana

    Jan 1, 2010

  • SME
    A Pilot Study Using An In-Situ Method To Determine Metals Attenuation In Soil Prior To Land Application Discharge

    By P. S. Hettinger

    Land Application Discharge (LAD) is a useful method of disposing of waste water from mining operations and in certain climatic regimes, stormwater runoff. LAD systems function under the premise that m

    Jan 1, 1994

  • SME
    Geology And Ore Deposits Of The La Cienega Gold District, Durango, Mexico

    By V. de la Garza

    The La Cienega Gold District is located at latitude 25°01'01"N and longitude 106°19'00"W, in the NW part of the State of Durango, Mexico. Ore deposits at The La Cienega District consist of

    Jan 1, 1994

  • SME
    Solid Grade Polymers For Clarification And Flocculation Processes (000edf4a-2cb9-4ebc-b425-d12c5aeb5b80)

    By H. EI-shall

    In this paper, the results of a fundamental study involving zeta potential and turbidity determinations of solid suspensions are discussed. Illustrations of how these results are utilized to design fi

    Jan 1, 1994

  • SME
    The Valuation Of Dimension Stone Building Deposits

    By W. Robert Power

    Dimension stone includes a wide variety of natural materials that are put to an equally wide variety of uses. It is possible to classify dimension stone according to the end use to which the stone is

    Jan 1, 1972

  • SME
    Case Study – UG Stope Optimization at Agnico Eagle’s Kittilä Mine

    By K. Huttu, A. van Wageningen

    "The Kittila underground mine is extracting one of the largest known gold deposits in Europe and has an estimated mine life through 2034. The Kittila mine is located in the Lapland region of northern

    Jan 1, 2015

  • SME
    San Francisco to host ITA World Tunnel Congress 2016

    By Harvey Parker

    "The International Tunnelling and Underground Space Association (ITA) is a nonprofit organization that represents all aspects of the tunneling and underground space industry worldwide. Next year, the

    Jan 1, 2015

  • SME
    Soil Compaction In Top Soil Replacement During Reclamation

    By L. B. Phelps

    Current mining regulations require revegetation in reclaiming surface nines. Excessive soil compaction can be an impediment to successful revegetation in poor soil conditions common to Eastern coal ni

    Jan 1, 1986

  • SME
    Predicting The Moisture Content Of Coals Dewatered By Screens

    By B. J. Arnold

    Utility coal specifications usually contain a requirement for a maximum moisture content in order to prevent coal handling problems and to minimize evaporative losses in the boiler. As most coal clean

    Jan 1, 1997

  • SME
    Ores Of Lithium And Their Applications

    By R. Keith Evans

    Potential large scale uses in secondary battery systems and fusion reactors together with a steady increase in demand for conventional applications, particularly in aluminum smelting, has resulted in

    Jan 1, 1977

  • SME
    About Face: How A Mine Moved Toward Operating In Maine

    By Thomas R. Doyle

    When you think of the state of Maine, you probably think of lobsters or lighthouses. The last thing you would think of is metallic mineral mining, and that is for good reason. According to the Maine G

    Jan 1, 2012

  • SME
    The - Now Generation - In Advanced Transportation Systems

    By John S. Harper

    Can the mining industry in the United States accept the change and challenge of the "Now Generation" of entirely new high-performance automated transportation systems? Good Question! While there has b

    Jan 1, 1969

  • SME
    OPPORTUNITIES AND ADVANTAGES OF 3D GEOLOGIC MODELLING FOR TAILINGS STORAGE FACILITIES - SME Annual Conference 2023

    By H. D. Lelono, M. Walden, G. Johnson

    3D modelling can be used throughout the mine lifecycle and has proven to be a powerful tool for consultants and mining companies. One of the most significant benefits of 3D models is their ability to

    Feb 1, 2023

  • SME
    FloatForce®+ Mixing Mechanism Trial at Kennecott Copperton Concentrator - SME Annual Meeting 2025

    By Joshua Cole, Joshua Sovechles, Christian Cardoso, Guillermo Bermudez, Martta Hirsi, Joshua Dettamanti, Rabia Abbasi

    The implementation of technological advancements in flotation is key to optimize performance in mining operations. Consequently, flotation cell’s performance is highly dependent on the effectiveness o

    Feb 1, 2025

  • SME
    Sumner Tunnel Rehabilitation - NAT2024

    By Joe Rigney, Conrad Stacey, David Nowak, Chris Blanchard, Michael Beyer, John Czach

    Originally constructed in the 1930s, the 1-mile-long Sumner Tunnel is 31 feet in diameter and carries traffic deep below Boston Harbor, connecting Boston and East Boston. This project includes both de

    Jun 23, 2024

  • SME
    Using Fiber Shotcrete As Temporary Wall Support At Barrick Turquoise Ridge #3 Shaft Sinking - SME Annual Meeting 2022

    By R. Wu, R. Howell, J. Dase

    Turquoise Ridge is an underground gold mine located in the Potosi Mining District, approximately 64 km northeast of Winnemucca, Nevada. Turquoise Ridge Underground is accessed via two shafts and a sys

    Mar 2, 2022

  • SME
    Technologies on SEM Tunneling in Hazardous Material-Bearing Soft Rock with Small Overburden

    By Akira Ishikuro, Masamichi Shintaku, Futoshi Kusumoto, Takeshi Kudo

    "The Bankei-Kitanosawa tunnel that is located in Sapporo, Hokkaido, Japan includes a 450m long section near the arrival point where mudstone which can liquate out natural hazardous materials such as a

    Jan 1, 2016

  • SME
    Production Of Colemanite At American Borate Corporation Plant Near Lathrop Wells, Nevada

    By Jr. Smith

    Borates have been mined in the desert areas of California and Nevada for more than 100 years. To about 1890, playa surface mining provided the chief sources of boron minerals. Underground mining of co

    Jan 1, 1978

  • SME
    Iron Ore Flotation with Environmentally Friendly Reagents

    By J. A. Halt, E. Larsen

    "The Sydvaranger magnetite mine closed in 1996 due to low iron ore prices and was reopened in 2009. The flowsheet has remained more or less as in the old plant, based upon two grinding steps followed

    Jan 1, 2015