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A few notes on things heard recently about Mt Polley.  I was told this is all public knowledge, although I have not read any of it on the web. Continue Reading »

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I write this fifty percent in jest, fifty percent in earnest, fifty percent with tounge in cheek, and fifty percent as a concerned citizen.  You decide which is which in what follows, for I cannot decide.  After the failure of the Bafokeng tailings facility, we built a dike across the failed area and picked up the tailings on the mine property.  We put these picked-up tailings back in the slimes dam.  Then we built a rockfill dike with an upstream filter across the valley just at the edge of the mine property.  Thus any tailings we did not pick up were washed down to the dike and were in due course picked up and put back in the slimes dam.  In due course, they filled in the failure volume with new tailings as the mine continued production. Continue Reading »

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Spent today stuffing the bags to be handed to the over 150 delegates to next week’s conference here in Vancouver on Geosynthetics Mining Solutions 2014.   I also went through the volume of proceedings.  We have some amazingly interesting papers on aspects of geosynthetics use in mining new to me.  There is still time to join us on Tuesday if you push hard. Continue Reading »

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Monday night we went to the tents at Bard on the Beach to see Shakespeare’s Opera presented by students from the University of British Columbia. First a tail-gate meal in amongst the trees of chicken, bread, and wine.  Just the right stuff to put you in the mood for opera.  And we were not disappointed. The students are all magnificent singers and we revel in the thought that there is such talent out there to take the place of older singers.  Opera proceeds with confidence into the future when you hear these young singers. Continue Reading »

The Tyee, a local Vancouver newspaper at this link, with some amazement recognizes with regard to the Morgenstern, Vick, and Van Zyl panel: Continue Reading »

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At this link is a great Master thesis recently completed by Genki Taguchi, a student of the University of British Columbia.  He is now back in Japan working in the coal mining industry.  Dirk Van Zyl supervised the thesis.  And if that link does not work, here is a second link.  A great job by both.  And a document which should become required reading by all in tailings. Continue Reading »

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There is a great silence of information about the geotechnical issues possibly involved in the failure of the Mt Polley tailings dam.  No reports have been released; no letters published; no statistics provided.  Oh sure, a few old numbers of incidents in 2012, but the 2013 report is not yet ready. Continue Reading »

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