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Archive for the ‘Heap leach’ Category

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The BC  Northwest Community College, School of Exploration & Mining is to be congratulated on a superb set of courses offered in 2014.  Lori Knorr sent me this list:  (more…)

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In addition to blogging, I consult to the mining industry.  And I work with Andy Robertson who also owns InfoMine to promote conferences — something InfoMine has decided to undertake in a big way. A few months ago, Andy asked me what topic I thought would make for a good conference.  A short reflection and I suggested geosynthetics in mining.   Way back in 1974 or thereabouts, I became familiar with geosynthetics when i used Bidim to make the base of a tailings facility in South Africa.  I became very familiar with geosynthetics about five years ago when Andy and I suggested geotextiles and geogrid placed on frozen tailings for the Suncor Pond 5 cover base.  In between, I have designed geogrid reinforced slopes, built reinforced walls, placed covers and liners, and read about geosynthetics.  (more…)

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On the plane to the site I dipped into Nasim Taleb’s latest book, Antifragile.  I read a few chapters and have stowed the book for the return fight.  But I picked up enough to know that an antifragile system is one that thrives on change, shock, time, and other perturbing factors.  An antifragile system is the opposite of a fragile system that inevitable breaks as a result of time, shock, disturbance, and the propagation of a mere crack. Antifragile system thrive on disorder; fragile systems do not. (more…)

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There is no limit to the future of geosynthetics in mining.  Right now almost fifty percent of geosynthetics are sold to mines.  I predict the percentage will increase.  Why? (more…)

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This morning I attended the opening of the conference on heap leaching taking place here in Vancouver.  Seem there are but 201 mines with heap leach pads.  There are 260 delegates–more than one delegate per mine.  Some 44% of the delegates are consultants; with 27 % from industry.  17 countries are represented in the attendees.  So a good mix. (more…)

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Today was the first of three sessions of the EduMine webcast on heap leaching.  We continue tomorrow and Wednesday.  The webcast is well attended with people from as far away as the Congo and Brazil and as close as Burnaby, BC just east of Vancouver. (more…)

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The conference on Heap Leach Facilities is upcoming in September.  I have read all the papers as part of the review processes.  Many are very good and opened my eyes to issues and solutions I had not hitherto stumbled on.  If you work in the field of heap leach facilities, this is the conference for you. Maybe!  This week a senior person from a large mining company told me that all discretionary travel is banned as they try to save money and pay dividends.  Only the person who promoted the writing of the paper will be allowed to travel to the conference–the rest must stay at home. (more…)

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The abstracts of papers accepted for the upcoming conference Heap Leach 2013 are now available at this link.  I have read most of the papers as part of the review process.  They are good; the conference presentations promise to be informative and interesting. (more…)

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A very old friend, now prominent in Australian mining spent the weekend with me.  We drank expensive whiskey, which he paid for, and rode many miles on my bikes around Vancouver on a fine sunny fall day.  We recounted stories of the old days in South Africa as young & inexperienced engineers and how we solved problems by gut feel rather than knowledge and computer models.  (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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