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TailingsMine: Mine Waste - Tailings and Waste Rock
Information and links on a variety of technical aspects of mining & mineral exploration.


 
Articles
DOE-Sponsored Mississippi Project Hits 1-Million-Ton Milestone for Injected CO2
Thursday, November 05, 2009
A large-scale carbon dioxide (CO2) storage project in Mississippi has become the fifth worldwide to reach the important milestone of more than 1 million tons injected. As a result, it is helping to both further carbon capture and storage (CCS) as a mitigation strategy for global climate change and move forward G-8 recommendations for launching 20 projects of this type internationally by 2010. read more »
Water: Coalbed methane decision adds salt to Montana farmers' wounds
Tuesday, November 03, 2009
Roger Muggli has worked his family's 1,700-acre farm in east Montana almost the entire length of his 61 years, and he considers the nearby Tongue River to be the very lifeblood of his alfalfa and barley crops. But three years ago, something happened to the river's water, Muggli said, as routine irrigation began turning the Custer County farm's once-rich soil the consistency of mayonnaise.  read more »
Chemical optimisation and sustainability in flotation
Wednesday, September 30, 2009
The depletion of mineral resources associated with the cost and limited availability of water and energy is putting pressure on the industry to optimise its processes, especially concentration by flotation, Ricardo Capanema reports. read more »
Forest restoration
Wednesday, September 30, 2009
Mining and conservation are often considered to be incompatible land uses. Yet, economically important mineral deposits often occur in areas with high biodiversity and therefore, high conservation value. read more »
Planning for the future
Wednesday, September 30, 2009
In the introduction to ICMM's Planning for Integrated Mine Closure: Toolkit, the authors describe planning for closure as being "about how to design a mine operation in order to facilitate closure. When a project is designed,there is a lot of scope to do so with closure in mind..." read more »
Cost breaking
Wednesday, September 30, 2009
Fragmentation within the mine is often overlooked as a critical element in the process and can be used to provide essential process control information. SPLIT digital fragmentation technology has been available for some time, with applications from the mine with post-blast analysis at the muck pile face through to the mechanical comminution circuit with ... read more »
Viva Las Cruces
Wednesday, September 30, 2009
After an almost year-long suspension Las Cruces in southern Spain made the final leap into production in June. Daniel Gleeson examines a mine reporting contained copper of some 2,425 MIb, an estimated 15-year mine life and some exciting copper processing advances. read more »
The road to Grasberg
Wednesday, September 30, 2009
Until Bechtel built the first road in the early 1970s, and Freeport Indonesia subsequently developed the area, subrivers were the only access inland to the foothills of the Jayawijaya mountain range on Irian Jaya that hosts what is arguably the greatest ore complex discovered in the world to date, the Grasberg and Ertsberg copper gold deposits. read more »
Slimes Dams at Johannesburg Mines in District 9 Movie
Wednesday, September 16, 2009
The recent movie District 9 is not just about aliens. The big slimes of mines around Johannesburg are featured throughout the movie.  read more »
Online moisture analyser (for bulks such as iron ore or coal) easy to commission, calibrate and service
Friday, June 26, 2009
Callidan Instruments, the manufacturer of MoistScan®, has recently added remote access functionality to its range of online microwave moisture analysers. The MoistScan is now equipped with internet-based wireless connectivity making remote calibration and service easy and cost effective. read more »
Oil Sands Effective Stress & Analysis
Friday, May 29, 2009
A wise professor made a presentation that caputured an enduring fact and a recent change in tailings analysis and modeling. read more »
Water Treatment Technologies for Oil Sands Mining
Thursday, May 28, 2009
To produce oil from the oil sands field in Alberta, huge amount of water is used. Specifically, water is used to separate bitumen from the sand at a high water to oil ratio. read more »
Electronic Journal on California Gold Rush and Gold Mining
Thursday, May 14, 2009
The Sierra College Press has published an electronic journal on the California Gold Rush and Gold Mining. This eJournal is the latest edition of Snowy Range Reflections: A Journal of Sierra Nevada History and Biography. 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 »
Clay & Tailings Consolidation
Monday, March 09, 2009
In the last few months on tailings projects from the furthest north of Canada to the tip of South America I have looked at consolidation analyses done to predict how long it will take to consolidate the tailings. read more »
Man-made earthquake?
Thursday, February 05, 2009
Did dam trigger the devastating 2008 Sichuan quake? read more »
ERCB Oil Sands Tailings Regulations
Friday, February 20, 2009
Comments on the new Alberta ERCB regulations pertaining to oil sands tailings impoundment closure and reclamation. read more »
Underground Tailings Disposal
Monday, February 02, 2009
Here is an interesting discussion of underground disposal of tailings at the Doris North Project: Tailings is often disposed of in underground mines as backfill to provide ground or wall support read more »
Alaska Tailings in the Supreme Court
Tuesday, January 13, 2009
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 read more »
First International Oil Sands Tailings Conference
Tuesday, December 16, 2008
The First International Oil Sands Tailings Conference was held in early December 2008 in Edmonton, Alberta. read more »
Tailings Conference Presentations
Monday, November 17, 2008
In October 2008 in Vail, Colorado, I attended the conference Tailings & Mine Waste ’08. Thanks to the organizers of the conference and the presenters, we can make available here on TechnoMine many of the PowerPoint presentations. read more »
Climax Molybdenum Mine
Wednesday, November 12, 2008
Kenwyn George was provided a tour of the tailings impoundments, water handling facilities and water treatment by Tavis D. Rogers, P.E., Senior engineer, of Climax Molybdenum on October 23, 2008. read more »
The Uranium Mill Tailings Remedial Action (UMTRA) Project
Wednesday, October 29, 2008
Here is the best summary of UMTRA I have come across: The Uranium Mill Tailings Radiation Control Act of 1978 gave the U.S. Department of Energy the responsibility of stabilizing, disposing, and controlling uranium mill tailings read more »
Geogrid-reinforced Tailings Covers
Monday, October 27, 2008
Here is a figure that shows how fill placed over the crust that may form on the top of a soft tailings deposit may respond to loading by the wheel of a vehicle trying to spread a new reclamation cover. read more »
IDRC 2005 Papers on Mine Closure
Friday, October 03, 2008
The International Development Research Center (IDRC) is a Canadian Crown corporation that "works in close collaboration with researchers from the developing world read more »
Bidim and Richards Bay
Thursday, July 31, 2008
I cannot find it on Google Earth. It stuck one kilometer out into the bay and was one kilometer wide, so it should still be visible. I refer to a phosphogypsum tailings impoundment I designed for Louis Luyt at Richards Bay in South Africa in the late 1970s. read more »
Tailings and Mine Waste ‘08
Wednesday, July 30, 2008
The program for the conference Tailings and Mine Waste ’08 gives preview of debates to come. The conference is slated for 19 to 22 October in Vail, Colorado.  read more »
In-Lake Tailings Disposal
Tuesday, June 17, 2008
A new report from the Globe and Mail states that sixteen Canadian mining companies have applied to dispose of mine tailings in lakes across the country. read more »
Gilt Edge Mine Superfund Site
Thursday, June 12, 2008
The proceedings of Tailings & Mine Waste ’03 contains papers on the Gilt Edge Mine. There is an abstract on the water balance of the site proposed for the ’08 conference. read more »
Pierina Gold Mine
Thursday, June 12, 2008
GoldSim to the rescue again: an abstract for the conference on Tailings & Mine Waste ’08 tells of a water balance model for the Pierina Gold Mine in Peru using GoldSim for the entire plant. read more »
Vail Tailings and Mine Waste Conference
Wednesday, June 11, 2008
If you are involved in tailings and mine waste, you must attend the conference on that topic being planned for October in Vail, Colorado. In addition to your basic interests, here are a few reasons why you should attend. read more »
Dry Tailings Beaches
Friday, May 30, 2008
Prediction of the Beach Profile of High Density Thickened Tailings From Rheological and Small Scale Trial Deposition Data is a paper and presentation by Gordon McPhail. read more »
Tailings & Mine Waste ‘08
Wednesday, May 28, 2008
Word has just come in that the folk organizing the conference Tailings and Mine Waste ‘08 have just met and extended the deadline for submission of abstracts to this conference until mid-June and they are asking that papers come in by mid-July. read more »
Salt Lake County Picks Committee Members to Probe Tailings
Wednesday, May 14, 2008
Salt Lake County has picked more than a dozen panelists to snoop into the seismic safety of Kennecott's tailings pile in northwest Magna. read more »
Oboni on Risk
Tuesday, April 22, 2008
Franco & Cesar Oboni, a father and son team, have just published a paperback with the title “Improving Sustainability through Reasonable Risk and Crisis Management”. read more »
Sullivan Mine Safety Guidelines
Tuesday, April 22, 2008
From the Proceedings of the Sixth Australian Workshop on Acid and Metalliferous Drainage, held in mid-April 2008 is a paper entitled "Sullivan Mine Fatalities Incident: Preliminary Technical Investigations and Findings". read more »
Tailings Electroosmosis
Tuesday, February 19, 2008
Electroosmosis involves application of an electric voltage across a porous material to increase the hydraulic gradient, thereby speeding up fluid flow and hopefully consolidation, strength gain, and reduced permeability.  read more »
Tailings and Mine Waste
Friday, February 08, 2008
The series of conferences on Tailings and Mine Waste started out at Colorado State University in 1978. For many years there was an annual conference and the important attended. read more »
Pebble Tailings
Thursday, January 10, 2008
From the April 2007 issue of Mining Engineering, here is a summary of the description of the proposed Pebble Mine’s proposed tailings impoundment. read more »
Tailings Due Diligence
Thursday, December 27, 2007
Here are some guidelines for a due diligence examination of a mine waste disposal facility. read more »
Earthquake Resources & Consultants
Friday, December 14, 2007
The mine facility most susceptible to earthquake damage is the tailings impoundment. Here are some links to sources of data on earthquakes and consultants who may be able to help you. read more »
MEND Publication
Tuesday, October 9, 2007
New from MEND is the report: Assessing the Long Term Performance of a Shallow Water Cover to Limit Oxidation of Reactive Tailings at Louvicourt Mine read more »
Dry Tailings
Tuesday, September 04, 2007
The Coeur d’Alene mine north of Juneau, Alaska is once again in the news. I summarize news reports from about 2005 until September 2, 2007. read more »
Los Pelambres and the El Mauro Tailings Dam
Monday, August 27, 2007
This is a tale that is still unfolding. The truth is well hidden by all concerned, for there are billions at stake. read more »
Solvent Extraction
Wednesday, August 15, 2007
In 1989 Elsevier published a book called Tailings Management: Problems and Solutions in the Mining Industry by Gordon M. Ritcey. Here is a brief review of the book read more »
Paste and Thickened Tailings
Monday, August 13, 2007
With increasing focus on efficient water use by mines, we read more and more of paste tailings as a way to reduce water consumption. I recently received two books on paste tailings from the Australian Centre for Geomechanics read more »
Kemess Tailings Impoundment
Thursday, June 14, 2007
My nomination of the best technical paper on the CIM conference proceedings CD: Design and construction evolution of the Kemess Mine tailings dam by T. Martin, G. Lysay, and S. Davidson. read more »
Paste Tailings
Tuesday, June 05, 2007
The March 2007 International Mining includes a supplement on Paste Tailings Management. This valuable supplement includes the following articles read more »
New Tailings Publications
Monday, May 14, 2007
Here are some books I found through the Tailings Good Practice site. Some are available for free download. Those on paste tailings must be ordered and paid for. read more »
Mine Accidents
Thursday, March 08, 2007
This is why accidents happen on mines and people die: ten silly little things happen; each is trivial and insignificant in and of itself read more »
Brazilian Dam Burst
Friday, March 02, 2007
The web was recently awash in the flood of news about the failure of a “bauxite mine tailings dam burst” in Brazilian read more »
Quality in Mining
Wednesday, February 28, 2007
Is there such a thing as QUALITY IN MINING? Has the mining industry ever practiced conventional quality programs? read more »
Mine Sand Piles
Thursday, February 22, 2007
My father regularly drove us out to those piles of golden sand, so soft and warm in the summer sun. And here we would spend happy hours climbing up the sand and sliding down, and climbing up and sliding down read more »
Kemess Mine Review
Friday, February 16, 2007
The news release is bland enough: “Northgate Minerals Corporation reports that Ministers of the Environment for Canada and British Columbia have amended the schedule read more »
Franklin Mining
Wednesday, February 14, 2007
A rare collection of technical and cost evaluation reports on a new mining project is available at the Franklin Mining, Inc site read more »
Solution Mining Irrigation
Wednesday, February 07, 2007
A well-produced brochure is more informative than a text book, and certainly more entertaining than most paper magazines stuffed with pale replications of marketing materials turned into fake-erudite articles. read more »
Rock Pile Transient Seepage
Friday, February 02, 2007
This is the story of a waste rock dump success/failure. The story is in a paper from BiTech Publishers and their premier magazine Geotechnical News. read more »
I Think Mining Blog
Wednesday, January 31, 2007
Some 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 »
Carbon Fixation in Tailings
Tuesday, January 23, 2007
Regardless of your opinion of the reality and/or causes of climate change, I suspect these are the relevant questions for the mining industry read more »
Grouting Confined Areas
Friday, January 19, 2007
The closest thing I’ve come to grout is a summer spent emptying bags of cement into a huge hopper, which was eventually transported to off shore North Sea oil rigs to be used by Halliburton on “cement jobs”. read more »
Risk-Based Probabilistic Cover Performance
Monday, January 08, 2007
Little on the web impresses me; but this site does. I am not sure why. There is nothing new. There is nothing particularly profound. All the news and views are readily available elsewhere. read more »
Mining and the Twelve Days of Christmas
Thursday, December 28, 2006
A blog-like review of the 2006 mining industry, mining technology, and the twelve days of christmas, and prospects for mining in 2007.  read more »
Fort Knox Gold Mine Landfill
Tuesday, December 12, 2006
Landfills at mines seldom get much attention. The size and glory of the waste rock dump, the heap leach pad, and the tailings impoundment quickly overshadow the lowly landfill. read more »
Utah Mine Reclamation
Friday, December 08, 2006
This volume is the best primer on Mine Reclamation I have yet come across: The Practical Guide to Reclamation in Utah. It should be your first stop on a tour of mine reclamation reading, even if your mine is not in Utah. read more »
INEEL Disposal Facility
Wednesday, December 06, 2006
For all those interested in the design of waste disposal facilities, the volume on the design of a mixed waste disposal facility at the Idaho National Engineering and Environmental Laboratories (INEEL) is a must-read. read more »
BLM Mined Land Reclamation
Monday, December 04, 2006
A comprehensive manual on mine reclamation is probably a pipe dream. The topic is too large and multi-disciplinary to get all the information in one volume. read more »
Brazil Cover Design Manual
Friday, December 01, 2006
This manual is as good a summary of all the relevant theory and practice of unsaturated cover design as any I have come across. read more »
Colorado Mine Reclamation
Friday, December 01, 2006
A recent report (June 2006) makes fascinating reading and instructive reporting. I refer to the Reclamation Feasibility Report Henson Creek Watershed read more »
Malartic Project, Quebec
Tuesday, November 28, 2006
The performance of covers on tailings piles to limit oxygen migration to the acid generating materials beneath are the topic of an abstract in the latest CIM magazine. read more »
Mt Tolman
Thursday, November 23, 2006
The design of the tailings impoundment for the Mt Tolman molybdenum mine involved a 300-ft high rockfill embankment above which would rise a 600-ft high embankment of sands cyclones from the tailings. read more »
Meridian Gold
Thursday, November 23, 2006
A good story with a happy ending; a testimony to what can be achieved; congratulations. These positive thoughts came to mind when I saw this piece on the wire this morning. I quote: “Meridian Gold Inc is pleased to announce read more »
Zambian Processing
Thursday, November 23, 2006
This from the pages of the Times of Zambia: Large scale mining companies have invested US$1.4 billion in plant rehabilitation, expansion and in new technology in the last five years, President Mwanawasa has said.
 read more »
Omai
Thursday, November 09, 2006
We repeat verbatim this news report from Mineweb, lest you missed it. We have previously written about the failure of the tailings dam and it implications. read more »
Good Practice Mining Publications
Friday, November 03, 2006
The International Council on Mining & Metals (ICMM) website on Tailings: Good Practice continues to bring us easy access to view or purchase books newly posted/advertised on their site. Here are some read more »
Diamond Equipment Technology
Tuesday, October 31, 2006
Does equipment technology now threaten the diamond mining industry? Two news items raise this fear read more »
Glamis Review Report
Friday, October 20, 2006
A rare peek into the exclusive world of peer review of tailings dams. We hear so much about the need, and see so little of the implementation. read more »
Tailings Are Useful?
Monday, September 18, 2006
Why are tailings not used as construction material? It seems to me that tailings form a large body of known dimensions of uniformly sized particles that could be used for something. read more »
TailPro Announcement
Friday, September 8, 2006
At long last the announcement of a welcome event. Here is what is in the e-mail from Jonathan Engels, now in Perth: Thank you for your past interest in TailPro, the online resource designed to assist tailings related engineers read more »
New Tailings Site
Wednesday, September 6, 2006
A new, updated, or hitherto ignored site on tailings? Tailings.info is new in my view, although the site notes that it has been around a long time. I like it very much and hope they succeed and prosper. The site describes itself thus read more »
Geoengineer Website
Wednesday, August 30, 2006
I have previously written in this site about one of my favorite websites, namely www.geoengineer.org. Here is what I said almost a year ago read more »
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