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  • NIOSH
    RI 3215 Comparison of Methods for Determining the Friability of Coal

    By H. F. Yancey, E. Zane

    "INTRODUCTION The term ""friability"" as applied to coal may be defined as the physical property of coal which expresses its tendency to become reduced in size during handling as a result of such exte

    Jun 1, 1933

  • AUSIMM
    High-grade Porphyry Copper-gold Mineralisation in North-west Ecuador – The Alpala Cu-Au Porphyry Discovery

    By J Ward, B Rohrlach, B Rosero, J Silva, O Poma

    "An EXTENDED ABSTRACT is available for download. A full-length paper was not prepared for this presentation. The Alpala copper-gold deposit is a recent, high-grade porphyry Cu-Au discovery located in

    Mar 18, 2015

  • CIM
    Where Did that Earbud Come From? Current Rare Earth Production Facilities

    By J. R. Goode

    Rare earth elements (REE) and their compounds are critical ingredients in numerous necessities of modern life including: the permanent magnets used in electric motors, generators, speaker and hard dri

    Jan 1, 2016

  • SME-ICGCM
    Numerical Modelling of the Range of Rock Fracture Zone Around Gateroads on the Basis of Underground Measurement Results (edbcb7c0-6a88-4056-904b-d121adf0097c)

    By Andrzej Walentek

    This paper presents the results of numerical modeling of the fractured zone around longwall gateroads. The numerical computations have been based on the results of underground measurements of the frac

    Jan 1, 2009

  • IIMP
    Regularizacion metalúrgica y del tonelaje de tratamiento en la planta de flotacion diferencial de cobre molibdeno de alumbrera- argentina. sus impactos en la produccion y los costos operativos

    By Marcial Medina

    El presente texto describe la reología de la Pulpa a nivel de química de superficie y así sugerir las alternativas a los problemas que impiden poder operar en forma continua y su capacidad de diseño l

    Sep 12, 2011

  • SME
    Computational Fluid Dynamics Modeling Of Spontaneous Heating In Longwall Gob Areas (SME Annual Meeting Feb. 25-Feb. 28, 2007, Denver, CO )

    By L. Yuan, A. Smith

    In order to provide insights for the optimization of ventilation systems for U. S. underground coal mines facing both methane control and spontaneous combustion issues, a computational fluid dynamics

    Jan 1, 2007

  • CIM
    Reducing CIP Tails Solution Losses at Goldcorp’s Campbell Processing Facilities

    By Monique Pharand, Jeet Basi, Simon Hille

    "High quality activated carbon is essential in the recovery of gold in Carbon-in-Leach (CIL), Carbon-in-Pulp (CIP), and Carbon-in-Column (CIC) circuits. Goldcorp’s Campbell complex at Red Lake Gold M

    Jan 1, 2016

  • AUSIMM
    Hydrometallurgical Treatment of Port Kembla Copper-Smelter Fume

    By Boden A

    A procedure was developed for recovering metal values from copper-smelter fume. The fume is first leached to neutrality with dilute sulphuric acid to obtain a solution of zinc sulphate containing a lo

    Jan 1, 1977

  • NIOSH
    Managing Excess Gas Emissions Associated With Coal Mine Geologic Features

    By James P. Ulery

    In This Chapter [Geologic features associated with anomalous methane emissions Gas outbursts and blowers Methane drainage strategies for mitigating anomalous methane emissions and G

    Jan 6, 2006

  • NIOSH
    Repeatability of a Checklist for Evaluation Cab Design Characteristics of Heavy Mobile Equipment

    By Michael J. Jorgensen, Pranathi B. Aedla, N. K. Kittusamy

    Risk factors associated with the development of muscu­loskeletal discomfort and disorders during the operation of heavy mobile equipment include whole-body vibration and awkward and sustained joint po

  • SME
    Mineral resources policies and governance in Indonesia

    By G. Tiess, S. Mujiyanto

    Indonesia is a fast growing democratic developing country comprising more than 17,000 islands, founding member of ASEAN and a member of the G-20 major economies. It is one of the most highly mineralis

    Jan 1, 2011

  • CIM
    Emplacement Features of Cupriferous Noritoids in the Okiep Copper District, Namaqualand, South Africa

    By Michael K. Watkeys, Charlesworth. E. GUY, Jacobus E. Potgieter, Anhaeusser. Carl R., Roger L. Gibson, Alexander F. M. Kisters

    Abstract - Intrusive features of cupriferous noritoids from the deeply eroded Proterozoic granite-gneiss terrane of the Okiep Copper District in South Africa illustrate the emplacement of basic magmas

    Jan 1, 1994

  • NIOSH
    Assessment And Evaluation Of Noise Controls On Roof Bolting Equipment And A Method For Predicting Sound Pressure Levels In Underground Coal Mining

    By Rudy J. Matetic

    Over-exposure to noise remains a widespread and serious health hazard in the U.S. mining industries despite 25 years of regulation. Every day, 80% of the nation’s miners go to work in an environment

    Jan 1, 2006

  • NIOSH
    Simulation Of Human Motion, Muscle Forces And Lumbar Spine Stresses Due To Whole-Body-Vibration: Application Of The Dynamic Human Model Casimir For The Development Of Commercial Vehicles And Passenger Cars - Introduction: Occupant Modeling

    By Alexander Siefert, Steffen Pankoke

    In the development of commercial vehicles as well as of passenger cars, the effects of vehicle vibrations on operating safety, health and comfort can only be predicted by numerical simulation when app

    Jan 6, 2006

  • NIOSH
    IC 8098 Bureau Of Mines Research And Technologic Work On Coal, 1959 ? Introduction

    This report is the 24th in a series summarizing research on coal and related investigations3 by the Bureau of Mines. The coal programs of the Bureau of Mines include a wide range of theoretical an

    Jan 1, 1962

  • CIM
    Meadowbank Mine Process Plant Throughput Increase

    By J. Allaire, P. N. Muteb

    The Meadowbank mine is operated by Agnico-Eagle Mines Ltd. and is located in the Kivalliq District of Nunavut in northern Canada. The process plant operates presently at a throughput of 11,500 tpd wit

    Jan 1, 2013

  • AUSIMM
    New Regional Geological Mapping and Other Data for Mineral Exploration in New Zealand

    Geological maps, data, and prospectivity analysis relevant to mineral exploration in New Zealand have recently been released. Regional-scale geological mapping is increasingly available for the countr

    Jan 1, 2003

  • AUSIMM
    Remediation of Mine Seepage at Batu Hijau

    Remediation of Mine Seepage at Batu Hijau

    Sep 13, 2010

  • SME
    Developing A New Process Design For The Southwestern Oregon Industrial Mineral Bearing Placer System Via Practical Study Of The Unique Deposition, Mineralogy, And Dry Tailing Requirements - Introduction - Preprint 09-038

    By J. Drew

    Oregon Resources Corporation (ORC), an industrial minerals mining company, is currently engaged in the development of a new process design that will allow the unique paleo-beach placer deposits of sou

    Jan 1, 2009

  • SME
    Design and Startup of Cortez Gold Mine’s Pipeline Mill

    By Randy N. Powell

    The Pipeline gold ore body was discovered in Lander County, NV in March 1991. Construction of the new mine and mill did not start until early March 1996. The $289-million project was placed on a fas

    Jan 1, 1999