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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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