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Results 1 - 10 from 15 for tailings impoundment in 0.408 sec.

MDAG Case Study 17
Gaia, like a waste-rock pile or tailings impoundment at a minesite, without also looking at the larger superorganism. "The evolution of the rocks ...
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MDAG Case Study 6
These tailings areas were formed by damming two adjacent small valleys with unspecified "leached material" and then placing various custom-milled copper-sulfide tailings ... al. (1996) indicated there were two sources for acidity in the tailings. First, although the tailings on the hillside were discharged at pH 11, the mill water apparently ...
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Acid Mine Drainage at the Nickel Rim Mine Tailings
Detailed measurements of pore water chemistry, pore gas composition, tailings mineralogy and hydraulic parameters were made at these nests. ... ., W.D. Robertson and Jambor, J.L., 2000. The hydrogeochemistry of the Nickel Rim tailings impoundment, Sudbury, Ontario, 41: 49-80. Researcher Ray Johnson, M.Sc., 1993 GGR Group Home ...
www.science.uwaterloo.ca

Research at the INCO Copper Cliff Tailings Area
W.D. Robertson and J.L. Jambor, 1999. Hydrogeochemical evolution of a nickel mine tailings impoundment, Copper Cliff, Ontario. Economic Geology Special Volume "Case Studies in Acid Mine Drainage", ... W.D. Robertson, 1998. Mobilization and attenuation of heavy metals within a nickel mine tailings impoundment near Sudbury, Ontario. Environmental Geology, 36:305-319. McGregor, R.G., Blowes, D.W ...
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Specialized Services - Mine Waste Management at CANMET-MMSL
Laboratory studies on sub-aqueous tailings disposal have shown oxygen ingress to the tailings interstitial water appears to be limited to the first 10 cm. ... mill tailings to reduce the waste disposal resources required to dispose of tailings and sludge separately. While there is some perception that the addition of lime sludge to a tailings impoundment area ...
www.nrcan.gc.ca

MDAG Case Study 12
The tailings impoundment is now being closed out with a multilayer cover over the tailings and a slurry/plastic cutoff wall around ... tailings impoundment is now being closed out. A multilayer cover is being placed over the tailings (Figure 10), and a slurry/plastic cutoff wall is being installed around the perimeter of the impoundment. Future tailings ...
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Legacy of Uranium Mining on Native American Land
Church Rock, N.M. With the tailings, 100 million gallons of radioactive water gushed ... in some mining areas, in others homes and fields were uprooted for mining operations. Environmental: Tailings impoundment, excavations, spoiled water, most of which the mining companies and U.S. Government never cleaned ...
www.mining-law-reform.info

Environment Canada's NPRI - Guide for Reporting to the NPRI 2007
Are the NPRI substances in the sludge considered releases? Substances that are pumped back into a tailings impoundment are not considered releases. The amount of substances leaving the tailings impoundment ...
www.ec.gc.ca

MDAG Case Study 28
Morin, K.A. 1983. Prediction of Subsurface Contaminant Transport in Acidic Seepage from Uranium Tailings Impoundments. Ph.D. Thesis, Department of Earth Sciences, University of Waterloo, Ontario, Canada. Morin, ... , and A.J. Vivyurka. 1982. Contaminant migration in a sand aquifer near an inactive tailings impoundment, Elliot Lake, Ontario. Canadian Geotechnical Journal, 19, p. 49-62. © 2008 Kevin A. ...
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Peñasquito Polymetallic Mine, Zacatecas Mining Technology
The tailings impoundment is designed as a zero-discharge facility with the capacity to store excess water temporarily ... expected climatic events including the design storm. Water will be reclaimed as needed from the tailings facility for use in the mill. M3 Engineering and Technology, of Tucson in the US ...
www.mining-technology.com