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Riesgos ambientales asociados a depósitos de relaves inestables
By Luis Haro
Puesto que el deslizamiento de relaves constituye uno de los principales riesgos para la vida y seguridad de los embalses, se desarrolló un programa que rehabilite los depósitos de los relaves a travé
Sep 13, 2001
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An Application of Statistics to the Chemical Recognition of Nickel Gossans in the Yilgarn Block, Western Australia
Principal component analysis of the variation of Cu, Ni, Zn, Pb, Mn, and Cr in a control group of 96 samples of surface ironstone from the Yilgarn Block, Western Australia, was used to derive a simple
Jan 1, 1974
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The Upgrading of Primary Gold Gravity Concentrates
By Bryn Harris, Liming Huang, Andre Laplante
"This paper reviews flowsheets generally used in gold rooms to upgrade primary gravity concentrates particularly those of Knelsons. It is concluded that even for small operations, which treat between
Jan 1, 1999
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Time-Dependent Behavior Of Rocks: Laboratory Tests On Hollow Cylinder
By Gilles Rousset
This paper presents laboratory experiments conducted on hollow cylinders samples. The advantage of such a geometry is to approach in situ conditions around cylindrical openings (lined galleries, boreh
Jan 1, 1989
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Planning And Design For Barrier Pillar Recovery Three Case Histories
By David A. Newman
Barrier pillars created during mine development provide additional reserves during mine closure and can be the sole access to reserves previously abandoned because of mining height or out of seam dilu
Jan 1, 1995
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Predictability of a High Explosives Shock Tube for Testing Blast Resistant Windows
By Braden T. Lusk, Shannon P. Lusk, Kyle A. Perry
A high explosives shock tube has been constructed and developed to test blast resistant windows with pressure versus time waveforms similar to waveforms generated by arena testing. Calibration of the
Jan 1, 2010
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Improving the Factor of Economy in Mine Ropes
By H. S. COOLEY
TO talk about a "factor of economy" in connection with the wire ropes used in mining practice may be coining a new phrase. If such be the case it needs no other apology than that economy in wire rope
Jan 1, 1930
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Rare Metals Becoming More Common
By Paul M. Tyler, Colin G. Fink
THE field of rare metals is so broad that progress can be reported upon many important fronts. Not satisfied with the 92 elements that Mendeleeff and his followers have accepted as legitimate, scient
Jan 1, 1935
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Concentration of Niobium Bearing Minerals
By R. Biss
"Niobium or columbium, as usually called in North America is becoming a more and more important metal in the industrial world because of its attractive properties.Eventhough discovered in the early ni
Jan 1, 1984
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Um Diagnóstico Dos Cursos De Graduação Em Engenharia De Minas E Realização De Um Comparativo Com Cursos De Outros Países Com Grande Produção Mineral
By Júlia Guimarães Sanches
O curso de Engenharia de Minas sofreu uma expansão, juntamente com todo o ensino superior no país, por volta de 2005. O objetivo do presente estudo é avaliar as características dos cursos do país e re
Oct 30, 2017
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A Feasibility Study Of Recycling Of Manganese Furnace Dust
By R. Shen
This paper presents results of a feasibility study of recycling manganese furnace dust generated in production of ferromanganese and silicomanganese at Tasmanian Electrometallurgical Company, Australi
Jan 1, 2007
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Drilling - Equipment, Methods and Materials - An Analysis of Uncertainty in Directional Surveying
By R. P. Harvey, J. E. Walstrom, A. A. Brown
In view of the large number of wells directionally drilled from offshore platforms and urban drillsites, greater interest is being focused on the directional survey and on the uncertainty inherent in
Jan 1, 1970
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Take Time For Pit Phase Design
By A. Eccles
Phase designs are the foundation upon which all open pit mine sequence optimizations and budgets should be built. Unfortunately, at times, mine engineers skip the step of developing realistic pit phas
Feb 27, 2013
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Technical Papers and Notes - Institute of Metals Division - The Measurement of Grain Contiguity in Two-Phase Alloys
By J. Gurland
A method of measuring the degree of contact between grains of 1 phase in multiphase alloys is derived. It is shown that the number and the areas of contacts between grains can be determined by metal
Jan 1, 1959
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Petrochemical Studies of the Ore Environment at Broken Hill, N.S.W.: 5 Major Element Constitution of the Lode and Its Interpretation
By Roberts W. P H, Chant R. A
Investigation of the "whole-rock" major element geochemistry of the Broken Hill lodes and of the rocks immediately enclosing them has been carried out on the full lengths of 19 diamond drill
Jan 1, 1978
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On-Stream Analysis (OSA) of Industrial Slurries for Process Control and Optimization Using Laser-Induced Breakdown Spectroscopy (LIBS)
By Guy Chevalier, Jean-Guy Chartrand, Louis Barrette, Daniel Michaud, Michel Fortin
"COREM has developed, specifically for the mineral industry, a mobile laboratory using the Laser-Induced Breakdown Spectroscopy (LIBS) technique. It has been used to perform onstream analysis (OSA) of
Jan 1, 2004
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Demonstration Campaign Results on a Cyanide-Free Process for Gold Extraction from a Refractory Pyrite Concentrate
By A. Drouin, D. Lemieux, C. Chouinard
"A gold bearing pyrite concentrate was treated at the demonstration scale (15 t/d) for the extraction of gold using a cyanide-free process. The pyrite was depressed in the flotation circuit in order t
Jan 1, 2017
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Design Analysis Of Underground Mine Ore Passes: Current Research Approaches
By Stephen R. Iverson, Bill M. Stewart, Michael J. Beus
The U.S. Mine Safety and Health Administration (MSHA) has identified ore pass hazards as a significant safety problem in underground metal mines in the United States injury and fatality data show that
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Notes on the Geology of the Pinnacles Mine and District
A homely simile will serve to epitomise an interpretation of the rock structures and associated phenomena of the block of country under review, as it appears to the writer.Disregarding the many thousa
Jan 1, 1927
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A Novel Clean Metallurgical Process for Baotou Ore:The Industrial Test Data
By Y. Bai, J. J. Liu, D. Q. Li, S. Z. Liu, X. T. Wang
"This paper presents the results of an industrial test using 8 t/d of Baotou concentrate (50% REO) of a clean metallurgical process, which includes: 1. Roasting with H2SO4 at low temperature (220~260
Jan 1, 2014