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  • SME
    Greenland: A Potential Trove of Minerals

    By Louis W. Cope

    Many Americans have seen Greenland while flying over it on their way to or from Europe. Few have visited this largest island in the world. Portions of the 20 percent of the territory that are not ic

    Jan 1, 2004

  • SME
    Leaching characteristics of selected supergene copper ores

    By S. S. Cook, S. E. Paulson

    The US Bureau of Mines is conducting core leaching experiments with sulfuric acid on oxide copper ores from the Cyprus Casa Grande and Asarco/Freeport Santa Cruz deposit in Arizona to further the unde

    Jan 1, 1990

  • CIM
    Achievement of High Energy Efficiency in Grinding Mills at Santa Rita

    "Horizontal grinding mills have been used in the mining industry for more than a century, and due to their operational and maintenance simplicity they remain a widely used technology for various stage

    Jan 1, 2013

  • SAIMM
    The Influence Of Pillars On The Merensky Reef Horizon On Stoping Operations On The Underlying UG2 Reef Horizon

    By N. Singh

    Merensky Reef is mined extensively within the Bushveld Complex. In previously mined-out areas on the Merensky Reef horizon there are pillars, potholes and remnants that have not been mined. These unmi

    Jan 1, 2005

  • AIME
    Discussion - Mining Geology

    By Walter W. Bradley

    (Three, papers included, in this discussion are classified as Mining Geology and also as one of the following-A, Metal Mining: B, Milling and Concentration: L, Geophysics. These papers are TP 2255, TP

    Jan 1, 1947

  • CIM
    Mining at Depth under Weak Rockmass São Bento Mineração S/A Santa Bárbara, MG Brazil

    By Barnard Foo

    Topics of Discussion ?Location ?Production & Mining Operation ?Mineralization ?Mining Method ?Rock Mechanics Issues ?Ground Control Problems ?Numerical Analysis ?RockmassBehaviour ?Conclus

    Feb 1, 2008

  • SAIMM
    Labour?s Utilization And Labour?s Productivity Of A Gold Mine In Saudi Arabia

    By M. S. M. Aljuhani

    In this paper, one of the human factors that affect productivity in an underground gold mine in Saudi Arabia was investigated and analysed for the purpose of improving productivity. The human factor t

    Jan 1, 2002

  • SME
    What it’s worth : A review of mineral royalty information

    By H. Lyn Bourne

    This is the fourth annual tabulation that gives mineral royalty information. The table presents previous information plus about two dozen new entries. In addition to the royalty information, some entr

    Jan 8, 1986

  • AUSIMM
    Comparison of Grinding and Liberation Processes for Stalky Biomass Materials as a Prerequisite for Production of Energy Pellets with High Calorific Value

    Comparison of Grinding and Liberation Processes for Stalky Biomass Materials as a Prerequisite for Production of Energy Pellets with High Calorific Value Pelletising biomass, especially straw and sta

    Sep 13, 2010

  • SME
    ANI’S Innovative Single Motor Twin Pinion [SMTP] Grinding Mill Drive

    By J. B. Hadaway

    The current limit to power transmission for grinding mills through one mill pinion is approximately 7,500kW. Above this power rating either twin pinion arrangements or Gearless drives are required. Th

    Jan 1, 2001

  • ISEE
    A Hydrodynamics-Based Approach for Predicting the Blast Damage Zone in Drifting as Demonstrated using Concrete Block Data

    "Rock falls involving a relatively small amount of material are a leading cause ofinjuries in underground mines in the United States. A contributing factor is unwantedblast damage and over-break. A go

    Jan 1, 2009

  • AUSIMM
    Geology and the Search for Mineral Deposits

    For the purposes of this discussion it is assumed that contributors should express the thoughts that arise from their personal experience. So wide is the range of mineral deposits, and so varied the m

    Jan 1, 1950

  • SME
    Is The Mining Industry Ready To Go Green?

    By Michele Ashby

    The mining industry is facing new risks from peak commodities, the energy and economic crisis and stock market pressures. The Green Mining Industry Initiative is a risk management strategy for the fut

    Jan 1, 2008

  • SME-ICGCM
    The Roof Behavior of a Longwall Tailgate Under Massive Sandstone Strata

    By Yemi Akinkugbe

    Underground coal mining under massive sandstone can present significant challenges if the roof behavior is not well understood. This paper presents a classic cantilever bending/flexing behavior of a l

    Jan 1, 2007

  • SME
    Designing Continuous Conveyor Systems in Urban Environments: The 63rd Street Access Tunnel in New York City

    By Dean Workman

    Located in downtown New York City, this project necessitated an innovative conveyor design for successful muck removal. This paper will discuss the technical challenges and engineering solutions of th

    Jan 1, 2008

  • SME
    Port Of Miami Tunnel Tender Design And Update

    By Wern-ping (Nick) Chen

    The Florida Department of Transportation District 6 (FDOT D6) began a study in 1987 for a master plan to improve the traffic circulation and congestions between the Port of Miami (POM) and downtown Mi

    Jan 1, 2009

  • AUSIMM
    Preparation of Iron Oxide Feed Stock for Pig Iron/Sponge Iron Production - Role of NMDC

    By Sahoo K. C

    Traditionally, the blast furnace (BF) has maintained a dominant position as the primary source of iron units. Notwithstanding the efficient nature of the process in respect of its material and energ

    Jan 1, 1999

  • SME
    Water Jets And Rock Hammers For Tunneling In The U. S. And U. S. S. R.

    By William C. Cooley

    SUMMARY A review is presented of the state of development of high pressure water jet equipment and of large impact hammers for rock tunneling. Information from the U.S.S.R. is based on published li

    Jan 1, 1997

  • ISEE
    Immediate Internet distribution of vibration data from the historic Byward Market, Ottawa, Canada

    By Robert Lee, Jeff Corace, Rob Cyr

    Blasting in the heart of the historic Byward Market District of Canada’s capital, Ottawa, presents a unique set of challenges. The obvious difficulties arising on projects requiring blasting within 3

    Jan 1, 2006

  • SME
    Onsite Assembly And Hard Rock Tunneling At The Jinping-II Hydropower Station Tunnel Project

    By Stephen M. Smading

    The Jinping-II hydroelectric project in China features four parallel headrace tunnels approximately 18-km- (11-mile-) long. Two will be excavated by tunnel boring machines (TBM) and two by drill-and-b

    Jan 1, 2009