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Archive for the ‘Environment’ 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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I think the business section of the paper is consistently the most interesting; there is always some article which catches your eye. Today’s point of interest has a mining basis which relates to one of the major Northwest Territories diamond mines, Diavik.  In short, Rio Tinto is looking to sell its stake in the mine [...]

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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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Integral to any new mine or expansion of a mine is the preparation of an Environmental Impact Assessment (EIA).  If you seek to significantly expand the mine’s tailings, waste rock, or heap leach facilities, you may have to prepare a new or supplemental EIA.   Here are references to and extacts from some documents that we [...]

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For about ten years until about 2005 I used to attend all the Los Angeles opera productions.  Placido Domingo was, and still is, in charge of the music.  Occasionally he would sing in an opera—what a thrill to see and hear him live.  I vaguely recall that in the program notes, there were news pieces [...]

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