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A typical Vancouver Saturday:  cool, overcast, some sunny periods, and much reading.   Then after six pm a bottle of wine and an opera. Here are some of the books I dipped into today–I have been reading some for a while; some are old and should have been finished a long time ago; and some are new.  For I am a dipper, i,e., someone who picks up a book, reads part, and then picks up another to read part, as the fancy & interest turn. Continue Reading »

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Another sad story of underfunded mine closure.  According to this report, Yukon Zinc owes the territorial government $3 million in environmental security.  Now the company is bankrupt and also owing $646 million to hundreds of creditors. The tailings management system is described in a report at this link.  The system is described thus: Continue Reading »

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Only one things gives me great pleasure and intense enjoyment: riding my bicycle. This morning it was drizzling as I opened the front door.  Undeterred, I mounted my bike and headed out into the soft waters making the sky & sound. Click to the upper gears and speed down the road past new, cramped townhouses.  Over asphalt and cut logs, cut to make way for a new bridge.  Bounce over the gravel alongside the river and salmon spawning habitat, to the main road clogged with trucks and cars. Continue Reading »

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The Mining Association of Canada (MAC) has announced that they are convening a panel to ” review its tailings management requirements to ensure failures, such as the one registered at Imperial Metals’ Mount Polley open pit copper and gold mine, can be prevented.” Continue Reading »

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Here is the link to the new report Lower Athabasca Region Tailings Management Framework for the Mineable Athabasca Oil Sands.  In some fifty pages it sets out a new way of dealings with oil sands tailings.  Lots of detail yet not much detail. The document sets itself these goals: Continue Reading »

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In an upcoming EduMine course on Risk Assessment, Decision Making, and the Management of Mine Geowaste, we write the following on the topic of Net Present Value (NPV): Continue Reading »

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There are so many obvious comments on this story, that I refrain from comment.  The story tells its own story and carries it own implications loud enough. I refer to the story at many links.  This one says: “Los Palambres was also hit this week by a court ruling that it should demolish a mine tailings dam which protesters say is affecting water availability.” Another report says: “As a consequence Los Pelambres must destroy part, or all, of the tailings dam wall.” A more complete picture emerges from this report: Continue Reading »

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