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RI 5001 Morefield Pegmatite Mine, Amelia County, Va. ? Introduction And Summary
By R. W. Geehan
The Bureau of Mines has been investigating deposits of critical and essential minerals in the United States since 1939. Bureau engineers made a preliminary examination of the Morefield mine early in 1
Jan 1, 1953
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A Non-Nuclear Density Meter and Mass Flow System Measuring Mining Slurries with Entrained Gas
By R. H. Batey
"The process control and cost of monitoring mining slurries is normally accomplished using a continuous mass flow system, conventionally embodying a volumetric magnetic flow meter and nuclear density
Jan 1, 2013
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A time-value framework for reporting mineral assets
By E. J. Sides
In this paper, the argument is put forth that the codes used for public reporting of mineral resources and mineral reserves have some significant limitations with regard to the information provided to
Jan 1, 2010
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A Numerical Model to Simulate the Effectiveness of Remedial Measures Aimed at Reducing Acidity and Metal Concentrations in the Ngakawau River and its Tributaries Near Stockton Coal Mine, West Coast, New Zealand
By P Lindsay
A numerical model has been developed to simulate the effectiveness and costs of a number of conceptual remedial measures aimed at reducing acidity and metal concentrations in the Ngakawau River and it
Jan 1, 2006
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Fast Adsorption Phenomena at Air/Liquid Interfaces
Fast Adsorption Phenomena at Air/Liquid Interfaces
Sep 13, 2010
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Ore Haulage System At Ozark Lead Company
By Roy H. Paddon
This paper describes the 6, 000 tpd, three stage haulage system at the Ozark Lead Company's mine in southeastern Missouri. It details the methods and problems pertinent to the loading, hauling, s
Jan 1, 1971
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Effect of liquefaction controlling components in carbon-free mould powder for the continuous casting of ultra-low carbon steels
By N Gruber
In the continuous casting of ultralow carbon (ULC) steels, free carbon is used to control the melting behaviour of mould powders. If the carbon is not completely removed during melting, it is enriched
Jun 19, 2024
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Discussions - Extractive Metallurgy Division
T.B.King (Depaytment of Metallurgy, Massachusetts Institute of Technology)— A valuable contribution of the authors is in the factual information which they have been able to gather; this type of infor
Jan 1, 1960
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The Roofing Granule Industry
By V. L. Eardley-Wilmot
Introduction We are all familiar with the bright and attractive colours of the roofs of our suburban houses and country cottages, but few of us fully appreciate the complex and highly technical nat
Jan 1, 1946
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The Agglomeration of Iron Ores and Concentrates
By D. J. Hains
IN this paper we shall examine the Why, Where and How concerning the agglomeration of iron ores and concentrates. Fig. l answers the questions @f why there is so much interest at the present time in t
Jan 1, 1961
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Human Thermoregulation Model for Analyzing the Performance of Mine Refuge Alternatives (aee0d5b4-8694-422b-9427-d11e37092e49)
By M. Hepokoski, M. Klein
"Mine refuge shelters are designed to protect mine workers from hazardous environmental conditions after a mine disaster, but high temperature and humidity levels inside these shelters may pose a sign
Jan 5, 2017
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Comparison of Mine Ventilation Software Tools for Underground Coal Mines in Harsh Conditions
By T. Imgrund, A. Bischoff, S. Spürk
"Specific conditions of underground coal mines at great depth, such as high temperatures, high rates of methane inflow and natural ventilation pressure provide considerable challenges for the reliable
Jan 1, 2019
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Selective Counter Current Leaching and Oxalate Precipitation of Rare Earth Elements in Chloride Media: The Case for Bastnasite and Ancylite Minerals.
By H. W. Kasaini, E. Bourricaudy, T. Larochelle
Rare Element Resources Inc., a U.S. based company, has developed a three-stage process for producing a +98% mixed REO powder from hard rock feedstock (-48 mesh, 2.9-4.8% REO) consisting of bastnaesite
Jan 1, 2016
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Coal Utilization (Frozen Coal) : Operational Experience At Arch Mineral
By Richard S. Klein
Frozen coal creates severe handling problems. Utilities require uninterrupted supplies of coal to meet their increasing coal consumption rates. Difficulties incurred due to frozen coal result in more
Jan 1, 1980
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Flocculation Studies Of Iron Ore Tailings Using Saline Water
By Jyotirmoy Sarma
The surface-active agent, like sodium humate, in the present systems produces a very stable suspension. Saline water up to 15% is used as a flocculating agent for recovery of water from the dispersed
Sep 1, 2012
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Performance and Field Testing of the Service Brakes of Mining Trucks in B.C.
By V. E. Dawson
Brake testing of large mining trucks was initiated in British. Columbia in 1969 following an accident involving the failure of the service brakes of a l00-ton electric-drive truck. Some selected resul
Jan 1, 1977
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Molecular Modelling Based Selection & Design Of Selective Reagents For Beneficiation Of Alumina Rich Iron Ore Slimes
By Vinay Jain
Beneficiation of alumina rich iron ore slimes is a major challenge for the Indian iron ore industry. One of the methods by which this problem might be addressed is by design/screening of suitable reag
Sep 1, 2012
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RI 3403 Determination Of The Swelling Properties Of Coal During The Coking Process (f17b2fbc-e3da-42da-8784-463821d3b071)
By H. S. Auvil
[Coals of low-volatile rank cannot be coked without admixing large proportions of high-volatile coal in the usual type of byproduct-coke oven, because they expand excessively and exert side thrust, wh
Jan 1, 1938
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High-Pressure Grinding for Copper at Cyprus Sierrita
By L. Thompsen
High-pressure grinding rolls (HPGR) offer capacity increases, savings in operating costs and metallurgical advantages. The first installation of the Polycom HPGR in a copper ore treatment plant occur
Jan 1, 1996
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Human-Systems Integration for the Safe Implementation of Automation "Mining, Metallurgy & Exploration (2020)"
By Robin Burgess-Limerick
The introduction of automation to mining has great potential to reduce safety and health risks by removing people from hazardous situations. However, automation changes the tasks performed by people a
Jun 16, 2020