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CyanideMine:  Cyanide, Pollution and the Environmental Impact

Green mining now possible sans use of cyanide, mercury
Wednesday, October 14, 2015
The Department of Science and Technology (DOST) in the Philippines stepped up its program on environment-friendly mining with the inauguration of the gold-copper processing plant in Itogon, Benguet. read more »
Gekko Systems Announces Completion of Cyanide Detox System for the Phoenix Gold Project
Thursday, September 24, 2015
Gekko Systems is pleased to announce the successful commissioning and formal acceptance of the Cyanide Detox System by the Rubicon Minerals Corporation for its Phoenix Gold Project in Red Lake, Ontario took place in June 2015. read more »
Barrick’s cyanide solution spill five times larger
Thursday, September 24, 2015
The amount of cyanide solution that spilled from Barrick Gold’s Veladero mine in San Juan province is almost five times more than previously believed, the company acknowledged yesterday as a second federal prosecutor moved to investigate national and provincial officials and mining executives amid growing environmental concerns. read more »
Barrick’s Veladero gold mine in Argentina halted over cyanide leak
Thursday, September 17, 2015
An Argentine court has ordered a five-day suspension of the gold leaching process at Barrick Gold Corp's Veladero mine to determine whether there was any environmental damage from a cyanide leak triggered by a faulty valve. read more »
Cyanide spills in Philippines surface in wake of Unity Mining withdrawal
Monday, September 14, 2015
The man promoting a controversial underground gold mine near Majors Creek was in charge of an Australian mine in the Philippines which discharged cyanide-laden waste into creeks, killing fish and other marine creatures. read more »
There's a first time for everything
Monday, April 13, 2015
Barrick produced the first of millions of ounces of gold at its Goldstrike mine using patented technology that will save jobs and allow it to continue to contribute funds to the state of Nevada. read more »
The Safe and Effective Use of Cyanide in the Mining Industry
Thursday, August 21, 2014
The purpose of this briefing by the SME is to provide a general overview about the use of cyanide and its application to recover gold from ore. read more »
Dr. Terry Mudder Inducted into International Mining Technology Hall of Fame
Tuesday, January 14, 2014
Dr Terry I. Mudder will be inducted in the Environmental Management category. He has more than 30 years experience in the investigation of the chemistry, analysis, fate, aquatic toxicity, and disposal of mining and cyanide wastes. read more »
Old law blocking less toxic mining technology
Friday, December 13, 2013
Amending an outdated small-scale mining law is necessary to allow the government to use clean technology for this sector of the metals industry, experts and industry stakeholders said at a University of the Philippines (UP) Baguio forum recently. read more »
New technology promises to make gold processing safer
Tuesday, December 10, 2013
The University of the Philippines Diliman (UP) has found a safer way to process gold. A team of experts has carried out a study aimed at making gold processing safer without the use of cyanide and mercury. read more »
New Non-toxic Method for Mining Gold
Tuesday, May 14, 2013
Northwestern University scientists have struck gold in the laboratory. They have discovered an inexpensive and environmentally benign method that uses simple cornstarch - instead of cyanide - to isolate gold from raw materials in a selective manner. read more »
Mine Water Management
Wednesday, December 28, 2011
Here are several articles on mine water management read more »
Terry Mudder's Miscellaneous Writings
Tuesday, December 07, 2010
Dr. Terry Mudder is a global consultant with a background in science and engineering, who has written extensively on environmental, technical, social and regulatory issues and policies facing mining and other industries. In this section is a series of his opinion/editorial articles that have appeared in various publications. read more »
Open Mines
Thursday, March 11, 2010
Here are a number of articles and case studies from several sources on sustainable mining, community development, and the environmental impact of mining projects around the world. read more »
Cyanide Code
Thursday, May 7, 2009
The "International Cyanide Management Code For The Manufacture, Transport and Use of Cyanide In The Production of Gold" (Cyanide Code) is a voluntary industry program for the gold mining industry read more »
Cyanide as an Ingredient in Fire Retardant
Thursday, March 12, 2009
Commercial fire retardants often contain cyanide as an ingredient. Although of little environmental significance, cyanide is being targeted for removal from retardants. read more »
EPA and Hardrock Mining
Tuesday, December 16, 2008
This source book for industry in the Northwest and Alaska deals with the National Pollutant Discharge Elimination System (NPDES) permitting, the National Environmental Policy Act, EPA expectations for mining impact assessment. read more »
The History and Use of Prussian Blue or Iron Cyanide
Tuesday, August 12, 2008
The first modern, artificially manufactured color. The chemical name for it is iron(III)-hexacyanoferrate(II), and it also goes by the name of Berlin blue. read more »
Foods You Eat May Contain Cyanide
Monday, August 11, 2008
Many common foods eaten by people every day contain naturally elevated levels of cyanide, including cassava, cherries, almonds, lima beans and sorghum. read more »
Tropical Butterflies Demonstrate Novel Mechanism for Protecting Themselves from Cyanide in Passion Vine
Thursday, July 24, 2008
This 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 Earth
Friday, July 11, 2008
This 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 Determination Methods
Monday, July 23, 2007
In 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 Mexico
Wednesday, February 21, 2007
Technical 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 Meeting
Thursday, February 15, 2007
The 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 »
Dundee Chelopech Mine Receives Green Apple Environmental Award
Wednesday, January 10, 2007
Chelopech 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 Code
Wednesday, January 10, 2007
A 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 Sites
Wednesday, January 10, 2007
You 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 News
Wednesday, January 10, 2007
I 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 Compliance
Tuesday, January 09, 2007
Seldom 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 »