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RI 3032 A Study of the Properties of Texas Polyhalite Pertaining to the Extraction of Potash - II The Rate of Decomposition of Polyhalite by Water and by Saturated Sodium Chloride Solutions
By H. H. Storch
"INTRODUCTION The first paper of this series contained data concerning the behavior of polyhalite (K2S04.MgS04.2CaS04.2H20) upon calcination and subsequent leaching with water at 100° C. It was found
Oct 1, 1930
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Effect Of Transverse Stresses On The Strength Of Steel Sheet Piling And Recommended Changes In Design Procedure
By Richard J. Hartman
Current design practice is to select steel sheet piling sections using sufficient section modulus and yield strength to resist the calculated bending moment. Thus, section modulus is the only property
Jan 1, 2006
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Presidential Address: Post-Mining Use of Rehabilitated Land – An Opportunity for the South African Mining Industry for Sustainable Development
By M. I. Mthenjane
"BackgroundThe paper discusses post-mining land use however, the essence of the topic is the emotional motivation behind the decisions related to mining investment and development. Therefore this is n
Jul 1, 2019
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Corrélation génétique entre les roches granitiques et les dépôts de columbo-tantalite d?Issia, Centre-Ouest de la Côte d?Ivoire
By Benjamin A. Allou
La seule production de columbo-tantalite réalisée en Côte d?Ivoire est effectuée dans les éluvions et alluvions du gisement d?Issia, localisé au Centre- Ouest de la Côte d?Ivoire. Même si un lien dire
May 1, 2003
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Comparison of linear polarization resistance corrosion monitoring probe readings and immersion test results for typical cooling water conditions
By J. W. van der Merwe, A. Palazzo
"Owing to the corrosiveness of the untreated brackish cooling water typically used for steel mills (and other environments), it is important to treat the water and monitor corrosion in such systems. G
Jan 1, 2015
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The Preparation and Properties of Cemented Carbides
Much interesting data on cemented carbides has been published over a period of years which, when classified and pieced together, gives a clear picture of this special branch of powder metallurgy. This
Jan 1, 1942
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Deep Mill Level Zone – from Feasibility to Production
By A Priatna, H Rumbino, T Casten
This paper discusses the progress of the Deep Mill Level Zone (DMLZ) mine from the pre-feasibility study completed in 2005, through commencement of development access in 2008, completion of the feasib
May 9, 2016
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Simulation of Material Transport in a SAG Mill with Different Geometric Lifter and Pulp Lifter Attributes Using DEM Mining, Metallurgy and Exploration
By Alejandro Gutiérrez, David Ahues, Paola Merino, Felipe González
A Discrete Elements Method (DEM) study of load movement within a SAG mill 12,192 × 7620 (40′ × 25′) in normal operating conditions is performed. The purpose is to determine how the geometry of the lif
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Mining - U. S. Government Support to Mineral Industries of Latin America
By Sumner M. Anderson
Any discussion of outside support to Latin American mineral industries must concede at once the pre-eminent role of U. S. industry and business. American capital has developed the great copper resourc
Jan 1, 1959
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Low-Grade Geothermal Potential of the Regina - Moose Jaw Area, Saskatchewan
By L. W. Vigrass
Porous and permeable rocks deeply buried in sedimentary basins contain immense volumes of hot water with the potential to supply low-grade heat energy. A part of Canada with sizeable potential for low
Jan 1, 1979
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Gippsland Basin Resources for Long Term Economic Prosperity
It has long been recognised that Australia can benefit substantially in an economic sense from its rich resource base. The significant resources of the Gippsland Basin are a good example of the weal
Jan 1, 1992
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Parameter variability in the toppling stability of rock blocks
By J. Muralha
The paper presents the limit equilibrium equations for the analysis of toppling blocks on a rock slope. The safety conditions are assessed by a numeric procedure implemented in an Excel worksheet. The
Jan 1, 2003
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IC 8071 Quadratic Functions For Copper Radiation, 0° To 180° 2? ? Summary
By Gerald V. Gibbs
Quadratic functions, Q(hkl), are given to six places in increments of 0.01° for 2? from 0° to 90° for CuKa and from 25° to 180° for CuKa1. The wavelengths used for Cu in the computation are those agre
Jan 1, 1961
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Investigation and Abatement of Subsidence Damage at the Heltsley Residence, Indiana
By Robert A. Cummings, Madan M. Singh
In April 1984 a subsidence depression formed directly beneath a two-story frame residence, near Linton, IN, causing 2 ft of separation between the floor and walls, and damaging both the foundation and
Jan 1, 1986
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OFR-39(1)-77 Accident Cost Indicator Model To Estimate Costs To Industry And Society From Work-Related Injuries And Deaths In Underground Coal Mining Volume I. Development And Application Of Cost Model
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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In-Pit Crushing and Conveying (IPCC) - An Economic Alternative to Trucks that Delivers on Safety and the Environment
If the industry keeps doing what it has always done, it will continue to get what it has always got - rising operating costs. Why is this so? Generally grades being chased are becoming lower, strippin
Jun 1, 2010
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Column Flotation in an Oilsand Application
By Kim Wiwchar, Elizabeth Mbaja, Lynne Dang, Jim Furey, Anita Marks
"Suncor Energy Inc., located north of Fort McMurray, Alberta, commenced pilot scale operation using a CPT 4’ diameter flotation column in March 2003. This larger scale trial follows two previously suc
Jan 1, 2004
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Mining û Pied Piper for Pastoralism?
This paper highlights the agricultural sector's primary concerns with mining in New Zealand: the information gap, land rehabilitation and compensation. It suggests how these issues can be resolve
Jan 1, 1981
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Explosions And Fires In Bituminous-Coal Mines - Coal-Mine Accident-Prevention Course - Section 4 ? Introduction
This publication is the fourth in a series of miners? circulars covering various phases of accident prevention in bituminous-coal mines; these circulars constitute a text hook for courses of instructi
Jan 1, 1946
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Positive Cut-Off Wall in Indian Dam – A New Technique for Difficult Geology
By Steni Stefani, Sanjay Dave
"This paper describes an innovative method, used for the first time in India, for the construction of a 1.0metre-thick positive plastic concrete cut-off wall (CoW) at the upstream toe of the dam at th
Jan 1, 2017