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Archive for the ‘environmental’ Category

The draft report by the EPA on potential mining impacts on Bristol Bay by the Pebble Mine or any of the other seven potential mines in that part of Alaska is published.  Here is a link to one report thereon—there are hundreds of news items, so maybe look for others as well if the topic [...]

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Background:  In response to requests, the U.S. EPA has undertaken to review the Pebble Mine.  They are apparently acting  in terms of the Clean Water Act, although many dispute their authority to do so.   The review is taking place before any formal submittals have been made by Anglo America, and many claim that Anglo should [...]

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Late evening in Santiago, but still I must post this information.  At this link you will find a fascinating book put out by the Mining Association of Canada and the PDAC.  It is called 100 Innovations in the Mining Industry. It takes a while to download, but be patient.  The resultant product is well worth the [...]

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Could mining really be this easy?  Cut the ore from the earth like a steady-handed surgeon, and then mend the wound with the salvaged skin of overburden and gangue.  Surely we are not so lucky – we’ve forgotten the tailings – what to do about those pesky tailings?

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With the Paste 2012 conference on mine tailings just a few weeks away in Sun City, I’ve pinched this title from a question posed at the 2008 conference in the paper Surface disposal of paste and thickened tailings – A brief history and current confronting issues.  So thank you to the authors (M. Williams, K. Seddon, and [...]

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The night is waning into dawn, and the air is thick with smoke and desperate moves.  The mine mill is still churning off in the distance. The odds are against you – what to do?

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The old adage “a picture is worth a thousand words” comes to mind when you look at the above photos. I was talking to a colleague about his trip to Timmins, Ontario for an Undergraduate Geological Engineering field trip to visit the old gold and base metal mines. I too had to share a few [...]

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Monte Carlo is a principality where you can go and gamble to the profit of the royalty of a small kingdom.  It is also the most powerful way to quantify the probability distribution of an outcome of an essentially random process.

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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 [...]

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The proposed 2013 U.S. Federal budget includes $1M “to support research on rare earth elements.”   Compare this to the 2013 budget request for the Office of Surface Mining of $140.7M.  Compare this to the Bureau of Land Management request for $15M to “implement sage grouse conservation and restoration to help prevent the future listing of the [...]

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