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Archive for the ‘Software’ Category

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Live today on EduMine is a new course: Introduction to Groundwater Modeling for Mines and Mining.  The authors are myself and Bernard Brixel.  Murray Fredlund and his folk at SoilVision contributed good computer models. (more…)

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Risk analysis is the identification of an activity (or a group of activities in a project), and its evaluation in terms of occurrence and associated damages. In short it is the science of risk, and thus, today in the face of an increasingly analytical world we strive to apply scientific principles to better understand the potential implications of the decisions we make. (more…)

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Today we were contacted by a vendor who came looking for our opinion on his product, and whether we thought it would be of use in the mining industry. Sometimes it can be easy to discern whether something will have any value to a miner, yes or no, quite simple. Other times it can be more difficult, and you wonder if hindsight will render its use obvious and maybe you deserve a bit of a kicking for being so closed minded. (more…)

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We have just downloaded hundreds of pages of papers, theses, and blog posting on Uncertainty Analysis in groundwater analyses for mining projects.  (more…)

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This is a story of a time before computers; before groundwater conceptual models, numerical models, baseline models, and predictive models; before groundwater model calibration, verification, or sensitivity analysis.  This is a story of a time when there was no such thing as a professional geohydrologist, hydrogeologists, or groundwater modeller.  (more…)

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Introduction

Today I went to HR Block and had my taxes calculated.  It is a disaster: I owe lots and the total taxes I paid is more than the average Canadian salary.   I am seriously considering selling up and moving to Las Vegas.  And stopping working.  Why work to merely pay great sums to the government that squanders the money on frivolous pursuits?   I could blog away at no cost to anyone; to no income to me; and to no taxes to a far-distant gobbler and distributor of my earned income. (more…)

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Conceptual models are key aspects of mine modelling, analysis, and decision making.  With our limited thinking ability, we need concepts, or models, of reality before we can fully comprehend, understand, and mentally manipulate reality.  (more…)

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Postings on this blog elicit many reactions.  Two postings in the past week on sites that help you find jobs in the mining industry have stirred the pot and I have received many comments privately, both commending and condemning me for my “innocent” opinions. (more…)

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Yesterday we walked in the forest behind the town house.  The sun shone through the trees and the boys ran with glee along the bright paths.  Their father stayed on the  dock vainly fishing.  The picture shows some of the fun. (more…)

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The story of tailings management is the story of application of a few basic principles.  All involve control of the forces of nature.  Once we worked on the  basis of observation and judgment.  Today we have computer codes for almost all and the work is done in back rooms by the junior engineers who feed printout to the senior engineers who still rely on judgment, albeit now quantified judgment.  Here follows a brief overview of these changes as they relate to the principles that always have and probably always will rule in the art, science, and engineering of tailings management. (more…)

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