| Records |
| Author |
Niyogi, D.K.; McKnight, D.M.; Lewis, W.M., Jr.; Kimball, B.A. |
| Title |
Experimental diversion of acid mine drainage and the effects on a headwater stream |
Type |
Journal Article |
| Year |
1999 |
Publication |
Water-Resources Investigations Report |
Abbreviated Journal |
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| Volume |
Wri 99-4018-A |
Issue |
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Pages |
123-130 |
| Keywords |
abandoned mines acid mine drainage algae benthonic taxa biomass biota Colorado experimental studies heavy metals Lake County Colorado Leadville Colorado metals mines pH Plantae pollution remediation Saint Kevin Gulch Colorado tracers United States USGS water zinc |
| Abstract |
An experimental diversion of acid mine drainage was set up near an abandoned mine in Saint Kevin Gulch, Colorado. A mass-balance approach using natural tracers was used to estimate flows into Saint Kevin Gulch. The diversion system collected about 85 percent of the mine water during its first year of operation (1994). In the first 2 months after the diversion, benthic algae in an experimental reach (stream reach around which mine drainage was diverted) became more abundant as water quality improved (increase in pH, decrease in zinc concentrations) and substrate quality changed (decrease in rate of metal hydroxide deposition). Further increases in pH to levels above 4.6, however, led to lower algal biomass in subsequent years (1995-97). An increase in deposition of aluminum precipitates at pH greater than 4.6 may account for the suppression of algal biomass. The pH in the experimental reach was lower in 1998 and algal biomass increased. Mine drainage presents a complex, interactive set of stresses on stream ecosystems. These interactions need to be considered in remediation goals and plans. |
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0092-332x |
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| Notes |
Experimental diversion of acid mine drainage and the effects on a headwater stream; 2; GeoRef: 2001-017199 als Datei vorhanden 4 Abb.; VORHANDEN | AMD ISI | Wolkersdorfer |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 17398 |
Serial |
286 |
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| Author |
Kuyucak, N. |
| Title |
Acid mine drainage; treatment options for mining effluents |
Type |
Journal Article |
| Year |
2001 |
Publication |
Mining Environmental Management |
Abbreviated Journal |
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| Volume |
9 |
Issue |
2 |
Pages |
12-15 |
| Keywords |
acid mine drainage; alkalinity; cadmium; chemical reactions; copper; cyanides; decontamination; degradation; effluents; flotation; heavy metals; lead; lime; metals; mines; nickel; oxidation; pH; physicochemical properties; pollution; reagents; reduction; remediation; seepage; sludge; solid waste; solvents; stability; tailings; toxic materials; toxicity; waste disposal; water quality; zinc |
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| ISSN |
0969-4218 |
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| Notes |
Acid mine drainage; treatment options for mining effluents; 2001-050827; References: 23; illus. United Kingdom (GBR); GeoRef; English |
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no |
| Call Number |
CBU @ c.wolke @ 5723 |
Serial |
324 |
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| Author |
Davies, G.J.; Holmes, M.; Wireman, M.; King, K.; Gertson, J.N.; Stefanic, J.M. |
| Title |
Water tracing at scales of hours to decades as an aid to estimating hydraulic characteristics of the Leadville Mine drainage tunnel |
Type |
Journal Article |
| Year |
2001 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
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| Keywords |
acid mine drainage Arkansas River Colorado drainage dye tracers field studies fluorescence ground water Lake County Colorado Leadville Mine Leadville mining district pH quantitative analysis recharge surveys tunnels United States water treatment 30 Engineering geology 21 Hydrogeology |
| Abstract |
The Leadville Mine Drainage Tunnel (LMDT) is a 3.3 kilometer structure that was constructed in the complicated geology of the Leadville mine district in the 1940's. Discharge from the LMDT is impacted by heavy metals and is treated at a plant built in 1992 operated by the United States Bureau of Reclamation. On the surface waste rock and other remnants of the mining operations litter the landscape and this material is exposed to precipitation. As a result of contact with this material, surface water often has pH of less than 3 and its containment and disposal is necessary before it impacts surface drainage and the nearby Arkansas River. Using a borehole drilled into the mine workings the U.S. EPA has devised a plan in which the impacted water is contained on the surface which then can be discharged into the mine workings to discharge from the LMDT and be treated. The percentage of water discharging from the mining district along the drainage tunnel is unknown, and since there is no access, information about the condition of the tunnel with regards to blockages is also relatively obscure. Application of quantitative water tracing using fluorescent dyes was used to model the flow parameters at the scale of hours in the tunnel and evaluate the likelihood of blockages. Because the tunnel has intersected several lithologies and faults, other locations such as discharging shafts, adits and surface streams that could be hydraulically connected to the LMDT were also monitored. An initial tracer experiment was done using an instantaneous injection, which was followed by additional injections of water. Another tracer injection was done when there was a continuous flow of impacted water into the workings. Analysis of the tracer concentration responses at water-filled shafts and at the portal were used to model the flow along the tunnel and estimate several hydraulic parameters. Waters in these settings are mixtures of components with different residence times, so, qualitative tritium data were used to evaluate residence times of decades. The combined injected tracer and tritium data as well as other geochemical data were used to infer the nature of flow and recharge into the tunnel. |
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Abstracts with Programs - Geological Society of America |
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Geological Society of America, 2001 annual meeting |
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2004-013418; Geological Society of America, 2001 annual meeting, Boston, MA, United States, Nov. 1-10, 2001; GeoRef; English |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 16511 |
Serial |
408 |
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| Title |
The BioSulphide Process to treat acid mine drainage and Anaconda tailings at Caribou Mine, New Brunswick |
Type |
RPT |
| Year |
2002 |
Publication |
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Abbreviated Journal |
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| Volume |
2002-3 |
Issue |
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Pages |
138 |
| Keywords |
acid mine drainage base metals bioremediation BioSulfide Process biosulfides Canada Caribou Mine copper Eastern Canada experimental studies heavy metals laboratory studies lead Maritime Provinces metal ores metals New Brunswick pollution recovery remediation sulfides tailings waste management water treatment zinc 22 Environmental geology 27A Economic geology, geology of ore deposits |
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Biomet Mining Corporation, R.B.C.C. |
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The BioSulphide Process to treat acid mine drainage and Anaconda tailings at Caribou Mine, New Brunswick; 2004-045115; GeoRef; English; 1702-2649 illus. |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 16509 |
Serial |
495 |
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| Author |
Stoica, L.; Dima, G. |
| Title |
Pb(II) removal from aqueous systems by biosorption-flotation on mycelial residues of Penicillium chrysogenum |
Type |
Book Chapter |
| Year |
2000 |
Publication |
7th international Mine Water Association congress; Mine water and the environment |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
472-481 |
| Keywords |
bioremediation; flotation; ground water; lead; metals; Penicillium; Penicillium chrysogenum; pollution; remediation; sorption; water treatment 22, Environmental geology |
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| Publisher |
Uniwersytet Slaski |
Place of Publication |
Sosnowiec |
Editor |
Rozkowski, A. |
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ISBN |
8387431230 |
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Pb(II) removal from aqueous systems by biosorption-flotation on mycelial residues of Penicillium chrysogenum; GeoRef; English; 2002-018169; 7th international Mine Water Association congress; Mine water and the environment, Katowice-Ustron, Poland, Sept. 11-15, 2000 References: 6; illus. incl. 4 tables |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 5852 |
Serial |
228 |
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