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| Author |
Earley, D., III; Schmidt, R.D.; Kim, K. |
| Title |
Is sustainable mining an oxymoron? |
Type |
Journal Article |
Year  |
1997 |
Publication |
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| Keywords |
acids data processing development ground water leaching mineral resources mining mining geology models monitoring pollution production solutions 26A Economic geology, general, deposits 22 Environmental geology |
| Abstract |
Sustainable mining is generally considered to be an oxymoron because mineral deposits are viewed as nonrenewable resources that are fixed in the crust. However, minerals are conserved and recycled by plate tectonics which continually creates and destroys ore deposits. Though it is true that rock cycles have much longer periods than biomass cycles, the crust is essentially an infinite reservoir so long as we continue to invest in mineral exploration and processing technology. Implicit in the definition of sustainable development is the recognition that human development of resources in one reservoir may subsequently degrade resources supplied by another. The depreciation of overlapping and adjacent resources is often externalized in the cost to benefit accounting and cannot be sustained if the integrated cost/benefit ratio is greater than 1. The greatest obstacle to sustainability in mining is the expanding scale of excavation required to develop leaner ores because this activity degrades connected resources. In the case of open pit, sulfide ore mining the disturbed land may produce acid rock drainage (ARD). Because ARD will self-generate over the course of tens to hundreds of years the cost of controlling this pollution and rehabilitating mined lands is large and often spread over many generations. Secondary production of minerals from partially excavated deposits where there are preexisting environmental impacts and mine infrastructure help to reduce the risk of depreciating pristine resources, provided that new mining operations “do no (additional) harm” (Margoles, 1996). In turn, a percentage of the profits derived from secondary mineral production can be used for rehabilitation of the previously mined lands. These lands contain significant, albeit low grade, metal concentrations. These concepts are being developed and tested at the Mineral Park Sustainable Mining Research Facility where an in situ copper sulfide mining field experiment was conducted. Monitoring data and computer modeling indicate that ARD is not generated after closure. This is because the ore is not disturbed and is left saturated, whereas unsaturated conditions generate acidic drainage. The short term risk of groundwater contamination is mitigated by utilizing an exempt mine pit to capture any leach solutions that are not intercepted by the wellfield. Using green accounting techniques and transfer models it can be communicated that this mining scenario is an approach to sustainability. |
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Abstracts with Programs - Geological Society of America |
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Geological Society of America, 1997 annual meeting |
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| Notes |
1998-051450; Geological Society of America, 1997 annual meeting, Salt Lake City, UT, United States, Oct. 20-23, 1997; GeoRef; English |
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no |
| Call Number |
CBU @ c.wolke @ 16638 |
Serial |
396 |
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Benkovics, I.; Csicsák, J.; Csövári, M.; Lendvai, Z.; Molnár, J. |
| Title |
Mine Water Treatment – Anion-exchange and Membrane Process |
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Journal Article |
| Year |
1997 |
Publication |
Proceedings, 6th International Mine Water Association Congress, Bled, Slovenia |
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1 |
Issue |
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Pages |
149-157 |
| Keywords |
uranium mining Hungary Mecsek Ore Mining Company waste water mine water chemistry nano-filtration reverse osmosis pilot plant mine water treatment treatment |
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Mine Water Treatment – Anion-exchange and Membrane Process; 1; FG 6 Abb., 2 Tab.; AMD ISI | Wolkersdorfer |
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no |
| Call Number |
CBU @ c.wolke @ 9530 |
Serial |
455 |
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| Author |
Becker, B.; Graff, M.; Näveke, R. |
| Title |
Biological Treatment of Overburden from Lignite Opencast Mining in Order to Avoid Seepage of Acid Mine Water |
Type |
Journal Article |
| Year |
1997 |
Publication |
Proceedings, 6th International Mine Water Association Congress, Bled, Slovenia |
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2 |
Issue |
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Pages |
283-291 |
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coal mining mine water acid mine water Germany treatment laboratory studies |
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Biological Treatment of Overburden from Lignite Opencast Mining in Order to Avoid Seepage of Acid Mine Water; 1; FG 6 Abb.; AMD ISI | Wolkersdorfer |
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no |
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CBU @ c.wolke @ 9527 |
Serial |
460 |
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| Author |
Bannister, A.F. |
| Title |
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Type |
Book Whole |
| Year |
1997 |
Publication |
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Issue |
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Pages |
105-122 |
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wetland coal mining Doworth |
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Chartered Institution of Water and Environmental Management |
Place of Publication |
London |
Editor |
Younger Paul, L. |
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Minewater Treatment Using Wetlands |
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Lagoon and reed-bed treatment of colliery shale tip water at Doworth, South Yorkshire; 1; AMD ISI | Wolkersdorfer; Fg |
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no |
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CBU @ c.wolke @ 9517 |
Serial |
466 |
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| Author |
Kuyucak, N. |
| Title |
Mining, the Environment and the Treatment of Mine Effluents |
Type |
Journal Article |
| Year |
1998 |
Publication |
Int. J. Environ. Pollut. |
Abbreviated Journal |
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| Volume |
10 |
Issue |
2 |
Pages |
315-325 |
| Keywords |
mine water treatment acid mine drainage high density sludge lime neutralization mining environment passive treatment sulfate-reducing bacteria |
| Abstract |
The environmental impact of mining on the ecosystem, including land, water and air, has become an unavoidable reality. Guidelines and regulations have been promulgated to protect the environment throughout mining activities from start-up to site decommissioning. In particular, the occurrence of acid mine drainage (AMD), due to oxidation of sulfide mineral wastes, has become the major area of concern to many mining industries during operations and after site decommissioning. AMD is characterized by high acidity and a high concentration of sulfates and dissolved metals. If it cannot be prevented or controlled, it must be treated to eliminate acidity, and reduce heavy metals and suspended solids before release to the environment. This paper discusses conventional and new methods used for the treatment of mine effluents, in particular the treatment of AMD. |
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0957-4352 |
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Mining, the Environment and the Treatment of Mine Effluents; Isi:000078420600009; AMD ISI | Wolkersdorfer |
Approved |
no |
| Call Number |
CBU @ c.wolke @ 17477 |
Serial |
56 |
| Permanent link to this record |
