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Hydrochemical characteristics of the natural waters associated with the flooding of the Meirama open pit (A Coruña, NW Spain)

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URI: http://hdl.handle.net/2183/40563
DOI: 10.1180/minmag.2008.072.1.399

Publication date

2008

Authors

Hernández, H.
Delgado, J.L.

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Bibliographic citation

Delgado, J., Juncosa, R., Vazquez, A., Falcón, I., Canal, J., Hernández, H., … Delgado, J. L. (2008). Hydrochemical characteristics of the natural waters associated with the flooding of the Meirama open pit (A Coruña, NW Spain). Mineralogical Magazine, 72(1), 399–403. https://doi.org/10.1180/minmag.2008.072.1.399

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Abstract

[Abstract:] In December, 2007, after 30 years of operations, the mine of Meirama ceased extraction of brown lignite. Since then operations have begun which will lead to the formation of a big mining lake (~2 km2 surface and up to 180 m deep) after controlled flooding of the open pit. In the process of flooding, both surface and ground waters are involved, each with their own chemical signature. According to the information available, the diversion of surface waters towards the pit hole should lead to the formation of a water body of acceptable quality. However, an unassisted flooding process could eventually form an acidic lake.

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Versión aceptada de: https://doi.org/10.1180/minmag.2008.072.1.399

Keywords

Abandoned mines Acid mine drainage Aquifers Coal mines Drainage Geochemistry Ground water Hydrochemistry Lakes Lignite Mines Mining Open-pit mining Pollution Quarries Sedimentary rocks Surface mining Water pollution Meirama

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https://doi.org/10.1180/minmag.2008.072.1.399

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This is an Accepted Manuscript version, accepted for publication in Mineralogical Magazine. It is deposited under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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This is an Accepted Manuscript version, accepted for publication in Mineralogical Magazine. It is deposited under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (http://creativecommons.org/licenses/by-nc-nd/4.0/).

Except where otherwise noted, this item's license is described as This is an Accepted Manuscript version, accepted for publication in Mineralogical Magazine. It is deposited under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (http://creativecommons.org/licenses/by-nc-nd/4.0/).