| Records |
| 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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Issue |
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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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| Notes |
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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| Author |
Dumpleton, S. |
| Title |
Mitigation of minewater pollution; the need for research, monitoring and prevention |
Type |
Journal Article |
| Year |
1998 |
Publication |
Earthwise (Keyworth) |
Abbreviated Journal |
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| Volume |
12 |
Issue |
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Pages |
12-13 |
| Keywords |
acid mine drainage; coal mines; coal seams; disposal barriers; engineering geology; England; Europe; fractures; Great Britain; ground water; hydrogeology; hydrology; inorganic acids; mines; mining; mining geology; mitigation; pollution; pumping; remediation; runoff; sulfuric acid; surface water; United Kingdom; waste disposal; water table; Western Europe 22, Environmental geology |
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0967-9669 |
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| Notes |
Mitigation of minewater pollution; the need for research, monitoring and prevention; 1998-075248; illus. incl. sect. United Kingdom (GBR); GeoRef; English |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 6120 |
Serial |
399 |
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| Author |
Dutcher, R.R.; Jones, E.B.; Lovell, H.L.; Parizek, R.; Stefanko, R. |
| Title |
Mine drainage; Part 1, Abatement, disposal, treatment |
Type |
Journal Article |
| Year |
1966 |
Publication |
Mineral Industries (University Park) |
Abbreviated Journal |
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| Volume |
36 |
Issue |
3 |
Pages |
1-7 |
| Keywords |
Acid drainage problem; acid mine drainage; coal mines; disposal wells; engineering geology; mines; mining geology; Pennsylvania; United States; waste disposal 30, Engineering geology |
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0097-2320 |
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| Notes |
Mine drainage; Part 1, Abatement, disposal, treatment; 1966-013727; illus., table United States (USA); GeoRef; English |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 6857 |
Serial |
397 |
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| Author |
Holmes, J.; Schmidt, K. |
| Title |
Ion exchange treatment of acid mine drainage |
Type |
Journal Article |
| Year |
1972 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
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acid mine drainage; applications; economics; engineering geology; experimental studies; ion exchange; liquid waste; reclamation; treatment; waste disposal; water resources 30, Engineering geology |
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Edition |
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0085-7068 |
ISBN |
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| Notes |
Ion exchange treatment of acid mine drainage; 1976-011827; illus. incl. tables United States (USA); GeoRef; English |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 6848 |
Serial |
349 |
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| Author |
Peterson, D.E.; Kindley, M.J. |
| Title |
The Golden Cross Mine water management system |
Type |
Journal Article |
| Year |
1994 |
Publication |
New Zealand Mining |
Abbreviated Journal |
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| Volume |
14 |
Issue |
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Pages |
15-21 |
| Keywords |
Australasia Coromandel Peninsula cyanides gold ores Golden Cross Mine metal ores mines New Zealand North Island tailings Waihi New Zealand waste water water management water treatment 30, Engineering geology |
| Abstract |
Because of its location in the sensitive Coromandel Peninsula, strict water management and environmental requirements had to be met on the Golden Cross Mine Project. This led to the development of new technologies for cyanide recovery and the adoption of advanced water management and water treatment systems. This paper discusses the water management and treatment system adopted for contaminated water at Golden Cross. While permit discharge levels must be and are met for mine discharge waters, the ultimate success of the water management system is demonstrated by the results downstream; biological surveys show no changes to the resident aquatic life in the river. |
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Edition |
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| ISSN |
1170-4209 |
ISBN |
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Conference |
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| Notes |
The Golden Cross Mine water management system; 1998-055867; New Zealand (NZL); GeoRef; English |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 16732 |
Serial |
271 |
| Permanent link to this record |
