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Characteristics of Mineralization at the Main Zone of the Clarence Stream Gold Deposit, Southwestern New Brunswick, Canada: Evidence for an Intrusion-Related Gold System in the Northern Appalachian Orogen
By K. G. Thorne, L. J. Cabri, L. R. Fyffe, D. R. Lentz, D. Hoy
"Mineralization at the Main zone of the Clarence Stream gold deposit in southwestern New Brunswick occurs within a parallel series of quartz veins that occupy a NE-trending, steeply north-dipping, bri
Jan 1, 2008
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Metallurgical Process of the Waihi Grand Junction Gold Co Ltd, Waihi, New Zealand
THE object of the present paper is to give a brief description of the metallurgical process followed by the Grand Junction Co, and the results obtained therefrom. All figures quoted are from the actua
Jan 1, 1912
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Advances in Stress-Wave Nondestructive Testing Methods for Evaluation of Deep Foundations
By Joseph T. Coe, Siavash Mahvelati, Alireza Kordjazi
This paper introduces recent advances in stress-wave NDT systems for use in assessments of in-service foundation integrity and drilled shaft construction. The primary results of the laboratory experim
Jan 1, 2018
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North Carolina Famous For North America?s Largest Emeralds
By Wade Edward Speer
The Hiddenite District of Alexander County, NC has produced some of the world?s finest large emeralds since the first one was discovered 134 years ago. In fact, North America?s largest emeralds come
Jan 1, 2009
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Flotation At Goedehoop Colliery
By S. N. Opperman
Testwork at Goedehoop Colliery showed that fine coal, essentially?150 microns can be successfully beneficiated using froth flotation. Both conventional and column flotation were tested. It was found t
Jan 1, 2002
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The Order of Kinetic Models, Rate Constant Distribution, and Maximum Combustible Recovery in Gilsonite Flotation Mining, Metallurgy and Exploration
By Yousef Ghorbani, Jafar Abdolahi Sharif, Fatemeh Kazemi, Ataallah Bahrami
Kinetic models are the most important tool for predicting and evaluating the performance of flotation circuits. Gilsonite is a natural fossil resource similar to an oil asphalt, high in asphaltenes. H
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Effect Of Chrome Ore Quality On Ferrochrome Production Efficiency
By M. H. Farjadi, J. Azari
Cost analysis of chrome ore reduction is one of the important issues facing ferrochrome producers in today?s competitive environment. Much of this depends on quality and various ratios in the actual o
Jan 1, 2004
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Rock Engineering Aspects of Designing Large Span Caverns at Depth in the Deep Underground Science and Engineering Laboratory
By C. Laughton
Construction of a Deep Underground Science and Engineering Laboratory(DUSEL) is proposed under the auspices of the US National Science Foundation(NSF). DUSEL will provide scientists and engineers with
Jan 1, 2007
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Microwave Heating Principles And The Application To The Regeneration Of Granular Activated Carbon
By S. M. Bradshaw
The principles of microwave heating are discussed with reference to dielectric properties, heating phenomena and microwave equipment. Microwave regeneration of granular activated carbon for the carbon
Jan 1, 1998
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The Order of Kinetic Models, Rate Constant Distribution, and Maximum Combustible Recovery in Gilsonite Flotation Mining, Metallurgy and Exploration (b37efcd2-92b5-49b0-85f9-0979b717b191)
By Yousef Ghorbani, Jafar Abdolahi Sharif, Fatemeh Kazemi, Ataallah Bahrami
Kinetic models are the most important tool for predicting and evaluating the performance of flotation circuits. Gilsonite is a natural fossil resource similar to an oil asphalt, high in asphaltenes. H
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OFR-39(2)-77 Accident Cost Indicator Model To Estimate Costs To Industry And Society From Work-Related Injuries And Deaths In Underground Coal Mining Volume II Program User Manual
By Daniel G. DiCanio
This report describes a computer-based model for estimating the tangible costs of injuries and deaths from work-related accidents in underground coal mines. The study undertook to identify and quantif
Jan 1, 1976
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Aplicação De Friction Stir Welding (Fsw) Na União De Chapas Finas De Alumínio
By Fábio Luiz dos Santos
As ligas de alumínio, em particular, apresentam certas restrições quando submetidas ao processo de união por soldagem. Isto se deve, principalmente, por apresentarem elevada condutividade térmica, ele
Aug 16, 2017
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Bulk carrier vessel tracking automation – the Dalrymple Bay use case
By W Russell, P Wighton, J Franke
Recent advances in ruggedised industrial control system technology and architecture in combination with latest technologies in the fast-evolving 3D LiDAR sensor sector becoming available have enabled
Nov 8, 2021
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Tensile strength and shear strength properties of the adhering layer of granules in iron ore sintering
By H Zhou, T Honeyands, M Zhou
In iron ore sintering, packing the granules onto the sintering strand to form a porous bed with optimum permeability is a complex dynamic process. The packed bed voidage is the key factor determining
Jul 24, 2017
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Abrasion and Wear in Mills: Use of Rubber and Plastics in Screening Applications and Wear in Mills
By G. R. Brough
"Today it is more important than ever to get the maximum possible return on capital invested in the processing industry. To this end the plant is often operated continuously and the choice of equipmen
Jan 1, 1983
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The Kaiser Coal Project
By P. J. Urso
"The coal reserves of the Crow's Nest Basin in British Columbia have been known since the late 1860's. The 51.0-million-long-ton (over 15 years) sale of low-volatile coking coal to Japanese steel mill
Jan 1, 1969
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Epithermal Vein Mineralisation and Alteration, Waiotahi Valley, Thames
By D S. Clarke, K B. Sporli
The Thames Goldfi.eld has been a major gold resource in the west of the Coromandel Peninsula, New Zealand, with the Waiotahi quartz vein system forming a large part of the field. Mineralisation is hos
Jan 1, 1991
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Thermal Exposure Limit in a Simulated Refuge Alternative
By C. D. Ashley, X. P. Garzon-Villalba, R. M. Lopez, T. E. Bernard
Federal standards for refuge alternatives (RAs) mandate that they not exceed a Steadman apparent temperature (AT) of 95 °F (35 °C) at an assumedmetabolic rate of 325W, a limit that appears to be arbit
Nov 8, 2019
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Neural networks to estimate bubble diameter and bubble size distribution of flotation froth surfaces - Synopsis
By R. H. Estrada-Ruiz
This work analyses a new approach to estimates bubble size distribution of froth surfaces using artificial neural networks (ANN).Also, the robustness of ANN to interpret images with illumination pertu
Jan 1, 2009
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‘Intelligent Mining’ – the Way of the Future
By F N. Baez
This paper supplements a keynote address prepared for the MassMin 2016 conference on mass underground mining methods, including block, panel, inclined and sublevel caving. It advocates for a new cave
May 9, 2016