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  • SME
    A parametric study for the effect of dip on stone mine pillar stability using a simplified model geometry

    By Morgan M. Sears, Gamal Rashed, Michael M. Murphy, Brent Slaker

    A parametric study was conducted using FLAC3D numerical models to examine the impact of oblique loading on the strength and yield pattern of a stone pillar using two simplified geometry types. In type

  • SME
    Construction of the N20 To N25 Tunnel (basic) Segment of the Superconducting Supercollider Project]

    By Joseph A. Whitchurch

    The N20 to N25 Tunnel (basic) segment was the second tunnel contract awarded for construction by The PB/MK Team. This project embodied 3.9 km (2.4 miles) of tunnel and was located within the northwest

    Jan 1, 1995

  • SME
    Pyrrhotite-Grinding Media Interaction And Its Effect On Floatability At Different Applied Potentials

    By Katerina Adam

    During wet grinding the electrochemical interactions between grinding media and pyrrhotite not only accelerate the media wear but also adversely affect the flotation response of the sulfide mineral. A

    Jan 1, 1984

  • SME
    Hydrodynamic Influences In Flotation Machine Design

    By V. R. Degner

    The minerals industry trend toward very flotation machines, exceeding 10 m3, began in the late 1960's and responds to the continuing desire to achieve better plant economics through improved plan

    Jan 1, 1985

  • SME
    Stability Analysis of Secondary Mining of Submarine Mine Under the Clamping Control of Fault and Fracture Zone - Mining, Metallurgy & Exploration (2024)

    By Chao Zhang, Wenhao Xia, Jianxin Fu, Ling Yu, Weidong Song, Yang Li

    Sanshandao Gold Mine is the only undersea metal mine in China. To deal with the collapse and pumping of stopes and roadways caused by complex ore-rock occurrence conditions, the mine conducts filling

    Feb 21, 2024

  • SME
    The Kennecott Copper Corporation Bonneville Concentrator (459e9933-514e-40d1-b88e-5a80339b82eb)

    By Robert J. Ramsey, N. Finkelstein, Robert D. Jeppson

    Introduction The Utah Copper Division of Kennecott Copper Corporation will present its contribution to the A. M. Gaudin Flotation Symposium in four parts. The first two segments will discuss briefly

    Jan 1, 1976

  • SME
    Study On Mesozoic Carbonates Of The Ionian Zone And Their Petroleum Potential Based On Stable Isotopes, Total Organic Carbon, SEM And Clay Minerals (NW Greece)

    By K. Getsos

    Western Greece is a favorable site for exploration and discovery of oil fields. The most important potential source rocks seem to be all the rocks deposited before middle Jurassic under special circum

    Jan 1, 2006

  • SME
    Design and Construction of NEORSD’s Doan Valley Storage Tunnel - NAT2022

    By Timothy O’Rourke, Karrie Buxton, Chris Lynagh, Daniel Dobbels, Frederick Vincent

    The Doan Valley Storage Tunnel Project in Cleveland Ohio was constructed to control Combined Sewer Overflows (CSOs). It is a complex system of three tunnels ranging from 8.5 to 18 feet in diameter wit

    Dec 1, 2022

  • SME
    European Stabilization Practice Using Chemical Systems In Urban Tunneling

    By G. Wayne Clough

    During shallow tunneling in an urban environment, deposits or pockets of saturated soil or fractured, weathered rock are often encountered. Under such conditions, special problems with tunnel support,

    Jan 1, 1976

  • SME
    Application Of A Computer Simulation Model To A Contour - Area Mines

    By L. Barry Phelps

    The application of an open-pit Materials Handling Simulator (OPMHS) to analyze mine planning and scheduling problems in large surface mines is discussed. The mine chosen for this application employed

    Jan 1, 1978

  • SME
    Coal Conversion Of A Multiple Burner Lime Kiln ? Introduction

    By Graham Jones

    During 1982 Ash Grove Cement Company contracted with Wagester, Walker, Thornton & Company to convert a Calcimatic rotating hearth kiln at its Portland, Oregon lime plant from gas/oil to coal firing. I

    Jan 1, 1984

  • SME
    Efficiency of Carbon Sorbents in Removing Zinc from Mine Water: A Comparative Case Study of the Rothschönberger Stolln Water - SME Annual Meeting 2024

    By Marlies Grimmer, Frank Amo Boateng

    One of the challenges of mining is the concentration of heavy metals it releases into the environment through a phenomenon called Acid Mine Drainage. Freiberg is no exception due to its long mining ac

    Feb 1, 2024

  • SME
    Solubility of Rhodium in Doré Metal

    By K. Avarmaa, P. Taskinen

    "The solubilities of rhodium (Rh) in a molten silver alloy in doré-smelting conditions for treating copper refinery slime at temperatures of 1,000 to 1,300 °C were measured using a high-temperature eq

    Jan 1, 2017

  • SME
    Impacts Of Land Use Planning On Mineral Resources

    By R. V. Ramani

    Demands on available lands will continue to increase due to the projected increase in population and industrial expansion. Though there is an upper limit on the available lands, the multi-use nature o

    Jan 1, 1982

  • SME
    Evaluation of a novel fire-blocking gel to prevent and suppress mine fires - SME Transactions 2011

    By D. Lauriski, E. D. Thimons, A. C. Smith, D. C. Fredley

    The National Institute for Occupational Safety and Health (NIOSH) and Northwest Barricade LLC (NWB) conducted a study to evaluate the effectiveness of a novel fire blocking gel for use in underground

    Jan 1, 2011

  • SME
    Heap Leaching Practices At Ortiz Gold Mine, Santa Fe County, New Mexico

    By Robin J. Hickson

    The Ortiz Mine is operated by Gold Fields Mining Corporation, a subsidiary of Consolidated Gold Fields Ltd., one of the world's major gold producers. The Ortiz Mine is Gold Fields only heap leach

    Jan 1, 1981

  • SME
    Phase Transformation of Impurity Elements and High‑efficiency Impurity Removal in Complex Copper Concentrate Smelting Process - Mining, Metallurgy & Exploration (2023)

    By Yingbao Yang, Jinyue Liu, Yonggang Wei, Bo Li

    Due to the depletion of copper ore with high-grade and low impurity contents, the raw materials for copper smelting exhibit low copper contents and high impurities. High-impurity elements lead to the

    Aug 8, 2023

  • SME
    Hydraulic Mining

    By James L. Evers

    The development of hydraulic mining in the United States has had an uneven record of progress. The shifting of coal extraction from one government agency to another has not provided an environment for

    Jan 1, 1983

  • SME
    Bentonite Reduction At Tilden

    By Alan R. Johnson

    Because of the competitive nature of the iron ore pelletizing industry, commodities required for the production of pellets are continually being scrutinized to minimize their usage and offset rapidly

    Jan 1, 1984

  • SME
    The Boodex Method–A Way to Overcome Locally Very Poor Ground Conditions in Tunnelling

    By Gunnar Nord

    Shifting ground conditions when tunnelling often call for different methods of attacking the tunnel face. In order to overcome problems with local unstable soft ground in a hard rock tunnelling projec

    Jan 1, 2003