This paper compiles the available information on historic tailings dam failures with the purpose to establish simple correlations between tailings ponds geometric parameters e g dam height tailings volume and the hydraulic characteristics of floods resulting from released tailings
World Mine Tailings Failures WMTF expanded the original Bulletin 121 compilation with independently researched authoritatively compiled failures from 1915 onward and integrated all WISE updates and additions through 2015 reformatting to the full Bulletin 121 layout
The dispersion of the radon gas released from the Ronneburg mining district leads to an excess lung cancer incidence of 6 cases per year within a radius of 400 km from the mines Misuse of tailings for construction purposes was widely practiced in uranium mining areas in the US Tailings were used for foundations of homes and other purposes
Cobre Las Cruces Spain another massive mining landslide Whilst attention has been focused on the events at Brumadinho in Brazil another massive mining induced landslide occurred in Spain on 23rd January this time at the Cobre Las Cruces mine Manuel Jesús Florencio has an excellent article online about the failure in Spanish This is a very big event with an estimated volume in the
significant legal and financial repercussions to the company The risks posed by tailings dams to the population environment and the mining companies need to be better assessed and disclosed This paper reviews historical tailings dam failures failure mechanisms and current design and risk assessment practices
Abstract This paper is an investigation report summarising a series of tests and observations conducted over a two year period as part of a feasibility study for replacing the tailings used in the cemented paste fill CPF The testworks were conducted at Evolution Mining s Frog s Leg mine Kalgoorlie which utilises undercut longhole stoping with CPF
Los Frailes zinc copper lead and silver mine is approximately 45km west of Seville in southern Spain The mine was operated by Boliden Apirsa SL then a wholly owned subsidiary of Boliden Ltd but following a major tailings dam failure in 1998 the operation was
TAILINGS PONDS 101 Tailings ponds or tailings storage facilities play a critical role in storing solids from mined oil sands and managing water flows These ponds are massive earth structures initially constructed from overburden hauled from the mine site Tailings ponds are normally located in a part of the lease that has little or no bitumen
On April 25 1998 a tailings dam failure of the Los Frailes lead zinc mine at Aznalcóllar near Seville Spain released 4 5 million cubic meters of toxic tailings slurries and liquid into nearby Río Agrio a tributary to Río Guadiamar
Tailings Dam Abandoned mine and tailings dam at Wheal Maid Valley Cornwall England UK A Tailings Pond near Logan Lake from the Highland Copper Mine in British Colu A large Tailings Pond along the Highland Valley Road between Ashcroft and Logan Copper mine tailings Or refuse heaps remaining at a mine after the ore has been processed Mine tailings In Ontario Canada resource mining
· Greenpeace Brazil s campaigns director Nilo D Avila said This new disaster with a mining waste tailings dam – this time in Brumadinho – is the sad consequence of a lesson not learnt
WASTE MANAGEMENT IN MINING INDUSTRY abDepartment of Mining Engineering Godavari Institute of Engineering and Technology Rajahmundry A P India of tailings by sequestering pollutants in soil near the roots The plant s presence can reduce wind erosion or the plant s
Mining is the extraction of valuable minerals or other geological materials from the Earth usually from an ore body lode vein seam reef or placer deposit These deposits form a mineralized package that is of economic interest to the miner Ores recovered by mining include metals coal oil shale gemstones limestone chalk dimension stone rock salt potash gravel and clay
· Mining practices and the absence of proper mine land reclamation has led to heavy metal contaminated sites with serious impact on the ecosystems and risk for human health The origin of the contamination is often associated to mine tailing deposits because they are a source of the acid mine drainage AMD These areas are devoid of vegetation due to the harsh soil conditions that prevent
Spain s OHL to oversee El Teniente s tailings facility tailings and industrial wastewater at El Teniente mine site located in the central province of Cachapoal which is the world s
Designing safe and stable tailings dam structures with centrifuge modelling E De Souza The Robert M Buchan Department of Mining Queen s University Canada Abstract The failure of a number of waste dumps and tailings dams over the last decade has directed public attention to the potential hazard and severe environmental
The permanent closure of approximately 5 500 acres of copper tailings at the White Pine Mine Tailings in the upper peninsula of Michigan was performed over a four year period The most important component of the closure plan in terms of cost and meeting water quality criteria was the design and implementation of a revegetation plan
· The Penouta Mine Project Viana do Bolo Orense Spain of Strategic Minerals Spain company expects to be a reference for sustainable mining in which abandoned waste is valued and generates economic environmental and social benefits under the framework of Circular Economy The Penouta Mine was one of the most important tin mines in Spain
Floods from tailings dam failures Rico M 1 Benito2 G Díez Herrero A 3 1CSIC – Instituto Pirenaico de Ecología Zaragoza Spain 2CSIC – Centro de Ciencias Medioambientales Madrid Spain 3Geological Hazards Unit Spanish Geological Survey IGME Madrid Spain ABSTRACT This paper compiles the available information on historic tailings dam failures with the
· A paper published in the journal Resources Policy states that bonus schemes for middle management employees in mining companies play a role in tailings dams failures just before the tailings dam crashed at the Los Frailes lead and zinc mine in Aznalcóllar Spain in April 1998 But capital expenditures doubled during this period from 55
The mining industry now accepts that the majority of the world s future minerals will come from low grade high tonnage ultra mechanised operations As a result a higher production of waste rock and tailings is expected over the course of the 21st century
Mining Cost Service When you subscribe to Mining Cost Service you will receive all of the current PDF files and if ordered two full volumes of the current paper copy of current reliable cost data plus you will receive a full year s updating service in the format you have chosen
· A new United Nations U N Environment report that calls for international action to make the storage of mine waste more secure has been lead edited by a Murdoch University researcher
The execution of permeability tests using a triaxial cell makes it possible to eliminate the uncertainties that characterize tests performed using conventional equipment This paper contains the results of 48 tests carried out on three materials recovered from tailings of Riotinto mines Spain
· Filtered tailings technology offers options for storing mine tailings in an environmentally friendly manner Many within the mining industry know filtered tailing disposal s demands and shortcomings yet few know the secrets to successful project implementation
This paper reviews these factors covering the characteristics types and magnitudes environmental impacts and remediation of mine tailings dam failures Discover the world s research 16
The transfer and handling of tailings and waste poses a significant threat to the environment due to their highly abrasive and harsh chemical characteristics Additionally the high volumes of water that are used in tailing applications places further environmental and economic pressures on mining operations
Abstract Coal mine tailings are often hostile media in which to grow plants This paper reports selected physical and chemical properties of alkaline saline sodic tailings 1 4 and 9 4 years after deposition in three experimental tailings storage facilities TSFs
· Tailings are a type of rock waste from the mining industry When a mineral product is mined the valuable portion is usually embedded in a rock matrix called ore Once the ore has been stripped of its valuable minerals sometimes through the addition of chemicals it is piled up into tailings
A tailings dam at Los Frailes mine 45km west of Seville in Spain was breached on 25 April 1998 The dam failure resulted in 5M m3 of acidic water and solids being discharged from the tailings pond across 21 000ha of surrounding farm land and into the nearby Rio Agrio unconfirmed reports suggest that 6350kg of dead fish have been collected from lagoons in the area
The disposal of tailings is commonly identified as the single most important source of environmental impact for many mining operations Vick 1990 This is not surprising when considering that the volume of tailings requiring storage can often exceed the in situ
· Mining affects fresh water through heavy use of water in processing ore and through water pollution from discharged mine effluent and seepage from tailings and waste rock impoundments Increasingly human activities such as mining threaten the water sources on which we all depend
Hydrotalcites are trapping the CO2 deeper into the tailings where carbonate minerals were unable to form When mine tailings are removed from the ground in the mining process and exposed to the atmosphere and to rain water they can react to form new minerals that trap CO2 from the atmosphere
STATIC LIQUEFACTION IN TAILINGS DAM AND FLOW FAILURE Roberto Lorenzo Rodríguez Pacheco Geological Survey of Spain Instituto Geológico y Minero de España Departamento de Investigación en Recursos Geológicos Ríos Rosas 23 28003 Madrid Spain Email roberto rodriguez igme es Introduction
Tailings are the materials left over after the process of separating the valuable fraction from the uneconomic fraction of an ore Tailings are distinct from overburden which is the waste rock or other material that overlies an ore or mineral body and is displaced during mining without being processed
Description Cutting edge Technology for the Mining Industry As specialists in filtration solutions for concentrates and tailings from large scale mining we offer a wide range of filter presses slurry pumps and thickening equipment characterised by their mechanical simplicity and robustness
The Nickel Plate Mine was an open pit gold mining operation located near Hedley 50 km west of Penticton in south central British Columbia During operations water used in the mill circuit was recycled through the tailings pond No water was discharged to the environment Closure of the mine in October 1996 required treatment and
the Boliden Apirsa Los Frailes mine in southern Spain The failure occurred at 3 30am on Saturday 25 th April 1998 when a 50m section of the tailings dam wall collapsed releasing approximately 6 5 million m 3 acidic water into the adjacent Rio Agrio A quantity of tailings material was
Sediment and water samples were collected along the Guadiamar river in southern Spain on 1–3 May and on 24–25 May 1998 following the release of acid sludge from the Los Frailes zinc mine near Aznalcollar on 25 April 1998 A maximum Zn concentration of 12 mg g in the sediment was measured approximately 10 km south of the mine
RECOVERY OF VALUES FROM A PORPHORY COPPER TAILINGS STREAM Michael J Mankosa1 Jaisen N Kohmuench1 Lance Christodoulou1 and Gerald H Luttrell2 1Eriez Flotation Division 2200 Asbury Road Erie Pennsylvania USA 16506 Corresponding author mmankosa eriez com 2Department of Mining Minerals Engineering 100 Holden Hall Virginia Tech
limited in depth a comprehensive guide to the design and evaluation of tailings impoundments would incorporate most of the materials in a number of examinations of tailings dam engineering and environmental performance including those in texts by Vick
The mining method is based on the underground exploitation of primary and secondary stopes which are subsequently backfilled with a paste generated from the tailings exiting the process plant Through the three mining projects that are in operation MATSA is currently the main driving engine in terms of employment and wealth generation in the area
The Mine Waste and Tailings Stewardship Conference 2018 was held from 23–24 July in Brisbane Queensland The second in this series it aimed to be the benchmark for sharing knowledge and experience on mine waste and tailings management sustainable practice and closure in Australia and the rest of the world
On the 20th anniversary of the breach of the tailings pond at the Los Frailes mine in Spain environmental organizations held a press conference to alert the public about the possibility of a
ley which are not always available or provided by the mining companies The aim of this paper is to propose a set of simple empirical equations to describe tailings pond characteristics and outflow hydraulic behavior based on data from historic dam failures Although accuracy of these estimations should be approached
Tailings is a critical consideration for the design of slurry transportation systems Mine operators are continually looking for solutions for the safe transport storage and disposal of tailings as well as converting tailings into construction materials and mine backfill
The 1998 dam breach at the Los Frailes mine in Spain In April 1998 a dam breach accident occurred in the tailings pond at the Los Frailes mine in Spain which was then owned by Boliden s subsidiary Boliden Apirsa S L Apirsa Boliden is involved in a number of disputes and legal proceedings arising from the accident at the mine
· Best Practices for Tailings Dam Design Based on lessons learned from the investigations of the recent Mount Polley and Fundão tailings dam failures in British Columbia Canada and Minas Gerais Brazil respectively government agencies regulatory bodies and industry are improving how tailings dams are designed built and maintained
· Tailings 2019 is a seminar that provides a great setting for executives professionals and students to learn and analyze recent innovations on tailings management Members of Golder s global Mine Waste team will be attending and presenting innovations in mine waste practice Golder is also a proud sponsor of Tailings
The Doñana Disaster also known as the Aznalcollar Disaster or Guadiamar Disaster Sp Desastre de Aznalcóllar Desastre del Guadiamar was an industrial accident in Andalusia southern Spain On 25 April 1998 a holding dam burst at the Los Frailes mine near Aznalcóllar Seville Province releasing 4–5 million cubic metres of mine tailings
A tailings dam is typically an earth fill embankment dam used to store byproducts of mining operations after separating the ore from the gangue Tailings can be liquid solid or a slurry of fine particles and are usually highly toxic and potentially radioactive Solid tailings are often used as part of the structure itself
Spain is the fifth national mining association to adopt the TSM initiative launched in 2004 it joins Finland Argentina Botswana and the Philippines Implementation of the TSM programme is mandatory for all MAC members Canadian operations though many members also apply it voluntarily for their respective international sites
Mining dams pose a substantial risk and residue management clearly needs to change Alfa Laval is leading that transformation The robust design and large capacity of our solid bowl decanter centrifuges have proven the perfect solution for safe and secure dewatering of mine tailings