Search Documents

Search Again

Search Again

Refine Search

Publication Date
Clear

Refine Search

Publication Date
Clear
Organization
Organization
  • SME
    Monitoring Used as an Alarm System in Tunneling

    By M. Perolo, A. Contini, E. Ramelli, G. Borgonovo, L. Locatelli

    This paper presents the ground settlement monitoring system used during the construction of two tunnels bored by two EPB TBMs, beneath the existing and active railway embankment in Bologna (Italy). Th

    Jan 1, 2007

  • SME
    Predicting Vanishing Tons Before Production Starts Or Small Blocks Are No Good For Planning In Porphyry Type Deposits

    By Michel Dagbert

    In the exploitation of porphyry-type deposits, the quality of the ore is mostly defined according to its grade. Besides the simplest distinction, ore-waste, several grade categories may exist and they

    Jan 1, 1977

  • SME
    Industrial Minerals 2004 - Gypsum

    By R. D. Sharpe

    Gypsum wallboard manufacturers in the United States shipped 3.18 billion m2 (34.2 billion sq ft) of wall-board products during 2004 versus 2.93 billion m2 (31.5billion sq ft) in 2003. Following a hi

    Jan 1, 2005

  • SME
    Evaluation Of Cyanide Producing Microorganisms To Recover Gold From Low-Grade Ore ? Introduction

    By D. Shin

    The gold leaching using cyanide from ore or waste has been almost universally in use [1]. Recently, biological gold bioleaching using cyanide producing bacteria, e.g. Chromobacterium violaceum, Pseudo

    Jan 1, 2012

  • SME
    Lithologic Controls On Aggregate Quality In A Mountain-Front Alluvial System--An Example From The Colorado Front Range

    By D. A. Lindsey

    Gravel lithology affects the quality of aggregate because different rock types in gravel have different physical and chemical properties. The lithologic composition of alluvial gravel reflects the com

    Jan 1, 2002

  • SME
    Two Tunnels in Totally Different Geological Formations Driven by the Same 7M Double-Shield TBM with an Extremely Thin-Walled Monoshell Honeycomb Segmental Lining System

    By Wolfgang Guetter, Wolfgang Weber

    The upgrading project for two hydropower plants in Slovenia, Europe, requires two new pressure tunnels: Plave II (5.9 km Flysch) and Doblar II (3.6 km Limestone). It is the worldwide largest applicati

    Jan 1, 2001

  • SME
    Expanding The Limitations Of The MFire Simulation Model

    In 2002 the authors updated the MFire model developed by the US Bureau of Mines. MineFire, developed by Mine Ventilation Services, Inc. (MVS), uses the MFire model to perform mine fire simulations on

    Jan 1, 2011

  • SME
    3D modelling of offshore alluvial tin mineralization in Ringarooma Bay, Tasmania

    By Michelle Stokes, Alexandra Miller, Campbell McKenzie

    "The ancestral Ringarooma River in northeast Tasmania has transported alluvial tin and other heavy minerals from their onshore source of stanniferous Devonian granites downstream into what is now Ring

    Sep 1, 2014

  • SME
    Industrial Minerals In Mexico

    By Guillermo P. Selas

    Perhaps this is the first time that an analysis of the industrial minerals panorama has been made in Mexico for that type of commodities. Because the non-metallic minerals lack the glamour of the meta

    Jan 1, 1974

  • SME
    Development and integration of ventilation simulation tools for colliery ventilation practice

    Effective tools are not only essential for the design of practical and efficient underground mine ventilation systems but must also play an integral part in the operation of the mine. One such tool is

    Jan 1, 2009

  • SME
    Tunneling Data: Turning Information into Intelligence on the NEIS Project

    By John McDonald, Peter C. Raleigh, Christopher Dishlip

    This paper will discuss how the construction management team and the contractor working together on the City of Los Angeles, North East Interceptor Sewer project, managed information on a daily basis.

    Jan 1, 2005

  • SME
    Effects Of Chemistry, Mineralogy, Petrography And Alteration On Rock Engineering Properties Of The Goathill North Rock Pile At The Molycorp Questa Mine, New Mexico

    By V. McLemore, A. Fakhimi, K. Donahue, D. Sweeney, V. Viterbo

    In order to evaluate the relationships between weathering and durability and strength of rock samples from the Goathill North rock pile at the Molycorp Questa mine, NM, we conducted slake durability a

    Jan 1, 2007

  • SME
    Gyratory Crusher Model And Impact Parameters Related To Energy Consumption

    By R. Pothina

    The objective of this research was to develop a mathematical model for gyratory crushers to help in the prediction of energy consumption and to analyze dominant parameters that affect this energy cons

    Jan 1, 2007

  • SME
    Antiscalants For Gold Processing Applications

    By W. H. Dickinson

    The performance of seven antiscalants spanning a range of chemistries was evaluated for control of calcium carbonate (CaCO3) formation in gold processing applications. Three preferred chemistries were

    Feb 27, 2013

  • SME
    Novel Technology Methods of Enterprise Unmanned Traffic Management (E‑UTM) Solutions for Mining (Mining, Metallurgy & Exploration)

    By Aimee A. Woolsey

    Enterprise Unmanned Traffic Management is a holistic system concept evolving from technological developments in radio frequency where dynamic tracking can be added into current and emerging platforms.

    Oct 17, 2022

  • SME
    Automated Quantitative Micro-Mineralogical Characterization For Environmental Applications

    Characterization of ore and waste-rock material using automated quantitative micro-mineralogical techniques (e.g., QEMSCAN® and MLA) has the potential to complement traditional acid-base accounting an

    Feb 27, 2013

  • SME
    The Value Proposition: High Annual Return On Investment, And Short-Term Payback Realized In Integrated Mining Processing Automation And Optimization Using IndustrialIT Solutions

    By M. C. Mound, E. Gallestey, C. Colbert

    Continuous operating performance and high profit is one of the major concerns in the mining industry. Information systems are expected to reinforce and enable conformance to these requirements. The co

    Jan 1, 2004

  • SME
    Continuous Haulage Systems For Computer-Assisted Continuous Miner PREPRINT NUMBER 90-152

    By S. K. Bhatt

    This paper reviews major developments in continuous haulage technology for underground coal mines. Haulage systems, both in use and development, are investigated through a comprehensive literature sea

    Jan 1, 1990

  • SME
    Terrorism and the Mining Industry

    By A. Dale Wunderlich

    Since Sept. 11, 2001, the author has been asked by several mining companies and mining publications to share some of his insights on how the terrorist attacks on the World Trade Center (WTC) and Penta

    Jan 1, 2002

  • SME
    Exploration Review (9ff0d9a1-a78c-45f1-8794-68950ae73853)

    By K. A. Stanley, N. A. Karl, D. R. Wilburn

    "This summary of international mineral exploration activities for the year 2014 draws upon information from industry sources, published literature and specialists in the U.S. Geological Survey (USGS)

    Jan 1, 2014