Category Archives: Analysis TSF Failures

AS METALLIC MINING ENTERS ALL NEW ERA OF UN MAPPED DIMENSIONS AND OUTCOMES FATE OF SOME 30% OF ALL “ACTIVE” MINES NEVER VIABLE OR PRESENTLY NOT VIABLE ACCRUING PORTFOLIO OF PUBLIC RISK HANGS UNEXAMINED AND UNADDRESSED

In the shadow of the “supercycle”,[1] and propelled by its dysfunctional economic dynamics, risk and public liability from mine tailings storage facility (TSF) failures have reached all-time highs. The annual failure rate for significant TSF events has escalated from a 50-year … Continue reading

Posted in Analysis TSF Failures, Measuring Magnitude of Consequence TSF Failures, mineral economics, Resources Policy, TSF Failures, TSF Failures Consequence, Uncategorized | Leave a comment

Root Causes of Tailings Dam Overtopping: The Economics of Risk & Consequence

Root Causes of Tailings Dam Overtopping: The Economics of Risk & Consequence Lindsay Newland Bowker1 and David M. Chambers2 1Bowker Associates Science & Research in the Public Interest 15 Cove Meadow Rd Stonington, Maine 04681 USA lindsaynewlandbowker@gmail.com 2Center for Science … Continue reading

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Maine’s Statute & It’s Draft Implementing Rules Score Poorly on Catastrophic Failure Risk Assessment

FOR IMMEDIATE RELEASE   September 14, 2016  1333 EST   Contact lindsaynewlandbowker@gmail.com 207 367 5145   RISK OF FAILURE ASSESSMENT OF MAINE MINING STATUTE AND DRAFT IMPLEMENTING RULES Lindsay Newland Bowker, CPCU ARM, Environmental Risk Manager Risk of Catastrophic Failure analysis of … Continue reading

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Share Holder Litigation Puts Spotlight On Environmental Risk

Madison Condon, JD, Fellow Earth Institute, Columbia University NY, NY   Dear Ms.  Condon:   Thank you for your stunning and seminal work accurately drawing the arc between massive investor losses and poorly developed mining projects  which manifest also in … Continue reading

Posted in Analysis TSF Failures, Bowker Associates Science & Research In The Public Interest, Catastrophic Tailings Failures, Causes Of Catastrophic Tailings Dam Failures, Earth Institute Columbia University, financial risk and public liability, Fundao Talings Dam, Germano Tailings Dam Failure, Global Capital Squeeze In Mining, global cash flow crunch, Highly Valued Natural Resources, Lindsay Newland Bowker, Measuring Magnitude of Consequence TSF Failures, Metallic Mining, Mining Economics, mining environmental risk management, Mining Financial Feasibility, mining investor lawsuits, mining public liability, Mining Regulation, Public Liability & Financial Risk, Responsible Mining, Risk & Public Liability of Tailings Dams, Risk Avoidance & Loss Prevention Metallic Mining, Risk Economics and Public Liability of Tailings Dam Failures, Samarco $44 billion lawsuit by Brazil, Samarco Environmental Crimes Investigation, Samarco falha de barragem de rejeitos, Samarco investigação de crimes ambientais, Samarco Mineracao S.A., Samarco Murder Charges, Social Premium of Metallic Mining, Tailings Dam Failures, Tailings Dam Risk Management, TSF Failure Environmental Costs, Uncategorized, unfunded public and enviornmental liabilities, Vale Indictments, Vale SA. | Leave a comment

Samarco Agreement Draft A Springboard To Model Language on All TSF’s With “Extreme” Hazard Classification

“There will be complete restoration of socio-economic conditions and of the affected environment. And I want to emphasize: There will be no financial limits until there is full reparation,” Rousseff said, according to AFP. “We want to build a new … Continue reading

Posted in Analysis TSF Failures, BHP, Measuring Magnitude of Consequence TSF Failures, Samarco Settlement Agreement, TSF Design & Management Standrds, TSF Failure Environmental Costs, TSF Failures Consequence, TSF Risk Management, TSF Risk Profile, Uncategorized, Vale SA. | Leave a comment

1 million Cubic Meter Landslide From Ruins of Failed Fundao Dam

  On January 27 the debris in the site of the former Fundao dam  shifted causing a 10 minute slide of 1 million cubic meters of material out of the site  and necessitating the evacuation of all workers. According to … Continue reading

Posted in alegria mine, Analysis TSF Failures, Bowker Associates Science & Research In The Public Interest, Brazil 's High Grade Iron Ores, Causes Of Catastrophic Tailings Dam Failures, corporatocracy, Environmental Risk Management, Fundao Talings Dam, Germano Tailings Dam Failure, Height Limits of Earthen Dams, Highly Valued Natural Resources, Lindsay Newland Bowker, Linhares Civil Action Against Samarco, Measuring Magnitude of Consequence TSF Failures, Metallic Mining Risk Management, Mine Feasibility, Mine Risk Management, Mining Economics, Mining Environmental Crimes, mining environmental risk management, Mining Financial Feasibility, Samarco falha de barragem de rejeitos, Samarco investigação de crimes ambientais, Uncategorized | Leave a comment

SAMARCO DAM FAILURE LARGEST BY FAR IN RECORDED HISTORY

  The Working Group met with State authorities, business, civil society and community representatives in Minas Gerais. The State has the highest concentration of industrial mines in Brazil, and the Working Group’s visit took place after the tragic disaster caused … Continue reading

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Brazil Initiates Environmental Crimes Investigation Against Vale, BHP and Samarco Officials On November 5th Tailings Dam Catastrophe

Fact is BHP know why it failed. They just cannot tell us until the lawyers have vetted the communications why they ignored their peer reviewers, their consultants, and their FNEAs until people were dead They had an FMEA PIG plot … Continue reading

Posted in alegria mine, Analysis TSF Failures, BHP, Bowker Associates Science & Research In The Public Interest, Brazil 's High Grade Iron Ores, Causes Of Catastrophic Tailings Dam Failures, Center For Science in Citizen Participation, David M. Chambers, Dirk Van Zyl, Frequency of TSF Failures BY Decade, Geoesteval, Germano Tailings Dam Failure, Height Limits of Earthen Dams, Lindsay Newland Bowker, mine Company Valutaion, Mine Feasibility, Mine Risk Management, Mining Economics, Mining Environmental Crimes, mining environmental risk management, mining public liability, Pimenta De Avilar, Rate of Raise for Upstream Tailings Dams, Risk & Public Liability of Tailings Dams, Risk Economics and Public Liability of Tailings Dam Failures, Samarco Environmental Crimes Investigation, Samarco Mineracao S.A., Samarco Tailings Master Plan, Samitri, Tailings Dam Risk Management, Upstream Tailings Dam Safety, Vale SA. | 4 Comments

Tailings Impoundment Failure Rates: A New Look At The WISE & ICOLD Data

In the wake of the Mt. Polley tailings Impoundment failure on August 4, 2014, we have been working with the ICOLD/WISE data (see link at end for machine readable compilation) . Our aim initially was  to assess the feasibility of risk pooling to … Continue reading

Posted in Analysis TSF Failures, Bowker Associates Science & Research In The Public Interest, Copper Mine Production 1900-1999, Copper Prices 1900-2000, Frequency of TSF Failures BY Decade, ICOLD, Measuring Magnitude of Consequence TSF Failures, Tailings Failure Rates, Tailings.Info, TailSafe, TSF Failure Incidets 1900-2000, TSF Risk Management, Universe of Mine Sites, Universe of Standing TSF, WISE | Leave a comment