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Economics and Long Term Planning for Shaft Projects in MexicoBy Michael Arriagada, Ivan Arriagada
"As mines return to shafts to economically exploit deeper reserves, two methods mine owners use to minimize short term costs are: sinking shafts in phases and refurbishing old, existing shafts. While
Jan 1, 2019
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Ductility of Magnesium Rods Continuously Cast by a Heated Mould ProcessBy K. Kudo
Magnesium rods of 99.95% purity and approximately 6 mm in diameter were continuously cast at rates of between 15 and 25 mm/min by a heated mould process and their mechanical properties evaluated. It w
Jan 1, 2006
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Localization of Ore in Zeballos Area - Part 1: Coastal BeltBy John S. Stevenson
Zeballos mining camp is on the west coast of Vancouver island; 195 nautical miles northwest from Victoria.; The spectacularly rich gold-bearing veins that made Zeballos an important; gold camp were fo
Jan 1, 1954
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Ventilation and Mine DesignBy R. W. Thompkins
In order to evaluate the impact of air quality control on mine design, a few examples are given of cases in wh.ich ventilation has affected the economics of the total design problem. Principles for th
Jan 1, 1967
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Fast PB Process: Plating Lead at 10,000 A/M2By M. Maccagni, J. Nielsen
"The recovery of lead from battery paste has been investigated for a long time and with the use of many different electrolytes. A number of processes have been presented, but none of them reached even
Jan 1, 2016
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Mapping Complex Folds in the Slocan Series, British ColumbiaBy A. B. Irwin
Abstract The techniques used in recognizing, recording, and interpreting structures in the Slocan sedimentary ceries in the West Kootenay district of B.C. are presented here in the hope that they wil
Jan 1, 1951
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SAG and Ball Mill Effects from Ore Sorting System ImplementationBy J. Hedderson, J. Starkey, S. Reeves, B. Hilscher
"As ore sorting becomes more common, it is important to quantify its impact on comminution circuits in order to precisely predict its effect on throughput, grind, and mill operating conditions. Since
Jan 1, 2019
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Mechanical Behavior and Strengthening Mechanism of Discontinuous Precipitation in Cu-Ni-Mn AlloyBy W. B. Xie
The hardening behaviour and microstructure evolution of Cu-30Ni-30Mn alloys aged at 350 °C has been investigated utilizing optical microscope, scanning electron microscope, transmission electron micro
Jan 1, 2019
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Recovering Pot Process Control After Long Power Interruptions and Several Load ReductionsBy L. Paulino, C. E. Zangiacomi, J. Yamamoto
"This paper presents the learning from Alcoa Po9os de Caldas Smelter in Brazil, after several energy restrictions resulting from the failures of three rectifier units at its power switchyard. Starting
Jan 1, 2006
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New Locked Charge Protection System Prevents Damage to 14mw Geared Mill (e36f627b-5857-4b5e-9b18-31db39c538e3)The 14MW SAG mill at Tarkwa, Ghana, experienced a frozen drop charge incident on 10 February 2010. This caused downtime of 112 hours, a repair cost of $200k and production loss of 162,000 tons, corres
Jan 1, 2012
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Numerical Simulation of Hydraulic Fracture Propagation of Landfacies Ultra-Heavy Oilsands in Xinjiang OilfieldBy Y. Jin, H. You, H. Pang, B. Lin
Successful application of steam assisted gravity drainage (SAGD) on the recovery of land facies ultra-heavy oil in Xinjiang oilfield depends largely on shortening the preheating period with the aid of
Jan 1, 2015
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Utility planning for coal beneficiationBy Denni Nikols
"Planning for coal beneficiation in the electric utility industry is relatively complex, involving the coordination of experts and specialists in a broad range of fields, as well as compliance with a
Jan 1, 1984
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The Future of Canada's Uranium Mining IndustryBy W M. Gilchrist
This paper gives an estimation of the future requirements of the western world in relation to energy re-sources. It then goes on to outline the role that atomic power -with its basic raw material, ura
Jan 1, 1964
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Numerical Analysis of Released Energy during Unstable Rock Failure under True-Triaxial Unloading ConditionBy A. Manouchehrian, M. Cai
"Rockburst, which often occurs around underground openings in highly stressed hard rocks, is a sudden and violent unstable rock failure and is associated with energy release. Rockburst is very dangero
Jan 1, 2015
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A New Model on Triaxial Compressive Strength of Sandstone Based on Deep-Well Logging DataBy W. Lin, Z. Z. Dong, C. L. Zhou, Y. C. Kuang
The inversion of rock mechanical properties based on well-logging data is a common method to drillbit selection in petroleum engineering, the basic principle of which is to use deep-well logging data
Jan 1, 2015
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Correlation-Based Model for Evaluating Ground Penetrating Radar (GPR) Data of Concrete Bridge DecksBy K. Dinh
The Ground Penetrating Radar (GPR) has been studied for a long time as a non-destructive evaluation (NDE) technology for inspection of concrete structures. Currently, the most widely used technique fo
Aug 1, 2013
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Some Testwork InterpretationsBy J. C. Loretto, H. A. Simons
The paper discusses how, in the routine testing of ores, insufficient communication between the laboratory and the design personnel can lead to misunderstanding or misinterpretation of test results an
Jan 1, 1972
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High resolution magnetic anomaly maps from ERLIS compilation: An example from Kirkland LakeBy S. Manning, W. Morris
Mineral exploration assessment file information has long been considered a useful resource for developing mineral exploration strategies, and one of the most common data sets fled in assessment report
Jan 1, 1997
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Refractory Performance and Campaign Life Extension of the Reverberatory Furnace at HBMS in Flin FlonBy J. M. Cooper
The HBMS reverb furnace in Flin Flon was originally designed in the late 1920s. Throughout the decades campaign life has been increased due to operational practices, technological changes and brick qu
Jan 1, 2007
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An Open Platform for Underground Vehicle MonitoringBy Lorrie Fava
Two needs in the mining industry, to enable overall process improvements, are open systems and network connectivity in underground mines. The Pando project, a collaboration between Symboticware, Vale
Oct 1, 2010