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Information and links on a variety of technical aspects of mining & mineral exploration.
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 Tropical Butterflies Demonstrate Novel Mechanism for Protecting Themselves from Cyanide in Passion VineThursday, July 24, 2008This article provides a discussion of the natural defense mechanism of a species of butterfly that relies on its internal production of cyanide. read more » The Origin of Life on EarthFriday, July 11, 2008This article discusses the origins of natural organic chemicals on Earth as the atmosphere transition from an anoxic environment to the current oxygen and nitrogen dominated gaseous mixture. It is postulated that HCN was one of the first organic chemicals formed on Earth leading ultimately to the formation of amino acids the basic components of DNA and life itself. read more » Cyanide in Backfill 2Wednesday, March 26, 2008I had not considered the question of cyanide in tailings used as mine backfill. So I asked Terry Mudder to comment. This is what he said read more » Cyanide in BackfillThursday, February 21, 2008Here is the abstract from the most interesting paper in the CIM 2007 conference on backfill - The Challenge of Cyanide: Can backfilling with gold tailings be consistent with the requirements of the International Cyanide Management Code? read more » Terry Mudder's Miscellaneous WritingsTuesday, February 12, 2008Terry Mudder is one of the originators of that part of InfoMine devoted to cyanide in mining, namely the Cyantists section. He is a prolific consultant and writer on the use of cyanide in mining. read more » Bellavista Heap Leach Pad UpdateWednesday, November 21, 2007A few days ago, I received an unsolicited e-mail about the Bellavista heap leach pad failure. Here is an extract. read more » Cyanide DeterminationFriday, September 28, 2007The EPA/ASTM approved method for determination of total cyanide is based on liberating HCN from a sample acidified with the sulfuric acid using an hour long reflux distillation procedure. read more » Cyanide Determination MethodsMonday, July 23, 2007In the Federal Register of April 6, 2004, there is a proposed new set of cyanide determination methods. We have just added to the InfoMine library a twelve page set of comments on the proposed determination methods read more » BioteQ MexicoWednesday, February 21, 2007Technical and financial innovation in one project: Columbia Metals Corporation (also at this link) has contracted with BioteQ Environmental Technologies (also at this link) to construct and operate a copper recovery and water treatment plant read more » Northwest Mining Association MeetingThursday, February 15, 2007The Northwest Mining Association meeting in Reno was well attended in 2006. In conjunction with the meeting, representatives of the International Cyanide Management Institute made a presentation on the code read more » I Think Mining BlogWednesday, January 31, 2007Some paper magazines will never die. They are the ones with high quality, thoughtful, well-written articles. The rest are doomed to fade and wither. Part of their problem is the competition of Blogs read more » CyantistsTuesday, January 23, 2007I first came across the website Cyantists.com about two years ago when writing an early article for TechnoMine on the topic. read more » Dundee Chelopech Mine Receives Green Apple Environmental AwardWednesday, January 10, 2007Chelopech Mining, a subsidiary of the Canadian firm Dundee Precious Metals was awarded the international Green Apple award for best environmental practice in Europe for 2006. read more » First Operating Gold Mine Certified Under Cyanide CodeWednesday, January 10, 2007A major milestone has been reached in the multiyear process associated with development of the International Cyanide Management Code for gold mining operations. read more » Cyanide SitesWednesday, January 10, 2007You could spend a lifetime reading the many Google hits on cyanide and mining: 836,000 of them. There are no doubt as many sites pro cyanide as there are sites against cyanide read more » Cyanide NewsWednesday, January 10, 2007I recommend the name of the chemical be changed. Only thus will the mining industry be able to avoid the lurid and spectacular connotations associated with the word cyanide read more » Cyanide Code ComplianceTuesday, January 09, 2007Seldom does reading the news lift my spirits and make me feel warm inside. A happy exception is this announcement [edited and shortened by me]: "The Marigold mine in Nevada read more » |
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