Spent time setting up sessions for the upcoming conference on paste and thickened tailings in 2013. Along the way, I checked out recent web additions on the topic. Here is what I wrote as a result–I post as the links may be helpful. (more…)
Posts Tagged ‘paste’
Paste & Thickened Tailings Resources
Posted in consulting, People, Tailings, tagged andy fourie, eli robinski, kuipers, paste, patterson & cooke, questa mine, richard jewell, thickened tailings on December 12, 2012 | 1 Comment »
Paste 2013 and the Dragons of Tailings In Perpetuity
Posted in environmental, People, Tailings, tagged 2013, andy robertson, belo horizonte, dragons, paste, Tailings on November 28, 2012 | 2 Comments »
The following is an “article” that I repeat as is from a recent ACG newsletter. Andy Robertson of InfoMine and Robertson GeoConsultants wrote this. The “article” is at its simplest an announcement of an upcoming conference. But at its most complex this is a scary story of potential dragons let loose on the world to scare the populace into non-mining. Here is what he wrote: (more…)
Paste 2013: Abstracts Review
Posted in Enviromental, Latin America, Oil sands, Tailings, tagged 2013, belo horizonte, conference, paste on November 15, 2012 | 1 Comment »
Today I looked through the abstracts submitted for Paste 2013 in Belo Horizonte in Brazil next year. Here is what I wrote—it will be all over InfoMine soon enough. (more…)
Cut and Paste Mining
Posted in environmental, mining, Tailings, tagged mining, paste, Reclamation, Robinsky, Tailings, thickened on March 29, 2012 | 2 Comments »
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? (more…)
What’s in a Name? – Thickened vs. Paste Mine Tailings
Posted in communication, environmental, mining, Tailings, tagged mining, paste, processing, rheology, Tailings, thickened on March 22, 2012 | 1 Comment »
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 T. Fitton) for putting that insightful paper together. (more…)
Stacked Against All Odds – Mine Tailings Stacks
Posted in environmental, Geotechnical, mining, Open Pit, Tailings, Underground, tagged mining, paste, stacks, Tailings, thickened on March 20, 2012 | 1 Comment »
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? (more…)
Mine tailings into Alaskan lakes via the US Supreme Court
Posted in About the news, Enviromental, Gold, Law (Mining), North America, Tailings, tagged Alaska, Coeur, Greens Creek, McCain, mining, Palin, paste, Pebble Mine, Slate lake, Tailings on January 12, 2009 | 2 Comments »
The answer will not come for many months, yet the arguments in today’s hearing before the U.S. Supreme Court are worth revisiting as they are significant to mining and environmental protection alike. And to those who revel in dictionary distinctions—like Scrabble players.
The highest court in the land has chosen to hear the issue of whether the Kensington gold mine in Alaska may put their tailings into Lower Slate Lake, effectively filling it in time, or whether they should turn the tailings to paste and put them above-grade just like they do at the Greens Creek Mine not that far away.
In practice, the court will not decide this practical issue. Instead the court will delve into far “higher” matters. Keep in mind the Supreme Court only takes on cases involving constitutional and interpretation-of-law issues. And in this case the issue is the meaning and intent of the 1972 Clean Water Act. Basically the question the court is asked to determine is whether tailings are “fill” or alternatively “discharge” in terms of the act.
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