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In February next year I shall go to the Society of Mining Engineers (SME) conference in Denver.  One evening I shall dine with Andy Robertson and his party.  We will celebrate his induction into the Mining Hall of Fame. This is a signal honor for him and due recognition of his many contributions to the mining industry.  He well deserves it.  Not that he needs more recognition–most people I speak to know and respect him.  He is well-known for his superior intellect, his accomplishments, and his human gentleness.  For he is first and foremost a gentleman in all meanings of the word. (more…)

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This year I have visited at least sixteen tailings facilities from the far north of Canada to the far south of Chile.  Mainly I was there to see about the state, safety, and ongoing operation of the facilities.  But along the way I had an incredible opportunity to observe and photograph mine water management facilities and systems. In next week’s EduMine webcast on Mine Water Management, I will have a chance to distill these many observations into a coherent whole.  So come join us in the webcast next Tuesday, Wednesday, and Thursday.  But three hours a day each morning and I will update you on the many systems, practices, components, and ideas I have gleaned from these trips and observations.  Many new case histories courtesy of the mines I visited. (more…)

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At this link is an announcement that the BC regulators are seeking proposals from consultants to help them evaluate the independent dam safety analyses they have ordered be done by independent folk on all the tailings facilities in BC. Dam Safety Inspection Review is the heading.  Here is the full announcement — it is fascinating for what it tells and what it does not tell. (more…)

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The first day of presentations at the Tailings and Mine Waste 2014 Conference.  Gordon McPhail delivered a talk in honor of Geoff Blight, who passed away earlier this year.  Geoff made so many contributions to tailings that we were talking for at least an hour about him and his genius.  I honor him here in the only way I know:  record my opinion that he was one of the great of tailings. (more…)

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A beautiful sunny day in Keystone in the Colorado Rockies and the first day of the conference on Tailings and Mine Waste 2014.  Today was short-course Sunday.  With Franco Oboni and Cesar Oboni of Riskope, I presented a one-day course on Risk Assessment and Decision Making for Tailings Facilities. (more…)

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Foto: Peter Öhman

The translation above the pictures reads:

It doesn’t matter that it is Sweden’s most modern mine, built according to environmental laws, which the Government says is the world’s strongest. In addition, Northlands mine outside Pajala is a financial flop, it is now also an ecological disaster.
One million cubic metres of water with toxic heavy metals such as nickel, cadmium, lead, copper, and more flows straight out of the wrecked mine dam to Muonioälven and later the Torne River, which is classified as a national river.

At this link you will find four photos that appear to show the breach of the perimeter embankment or dike and spillage of tailings into the surrounding countryside.  Above is one of them.

The reports make little mention of the causes of failure.  Although the four pictures appear to show more than one breach.  A posting on Facebook dates the failure as 19 July 2014.

Please comment if you know more.

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The best read of the week is at this link where you can read the stories of mining engineering students at the University of Arizona College of Engineering.  The stories are about their internships.  As the site notes by way of introduction: (more…)

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