Hydrogelogical characterization of a waste rock pile and bedrock affected by acid mine drainage from geophysical survey
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1007/s42452-020-3021-8 http://hdl.handle.net/11449/195484 |
Resumo: | Mining activities are known for the profound changes they cause in the environment, especially those related to environmental liabilities generated by these enterprises. One major concern of this sector relies on the acid mine drainage (AMD) process, which is formed by the exposure of sulfide minerals to oxidizing conditions. As a result, the production of low-pH saline waters favors the mobilization of heavy metals to the environment. In the last decades, the characterization and monitoring of contamination plumes have become more feasible due to the application of geophysical tools, more precisely the DC resistivity geophysical method. Thus, the aim of the present study is the application of electrical resistivity tomography to understand the hydrogeological dynamic of a waste rock pile in the Osamu Utsumi uranium mine, with the identification of preferred groundwater and AMD flow. The analysis of the 2D geophysical products allowed the differentiation of high salinity water accumulation zones (< 40 ohm m) in the interior of the pile. Likewise, the evaluation of the pseudo-3D model generated by the interpolation of 2D sections was crucial for the recognition of low resistivity zones within the bedrock, possibly controlled by fractures that work as recharge zones between the waste rock pile and the fractured aquifer. The identification of discharge and recharge zones related to the fractures system is a fundamental step for planning and actions to prevent water-sulfides interaction process, which is responsible for the generation of AMD, and also the installation of groundwater pumping systems. |
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Hydrogelogical characterization of a waste rock pile and bedrock affected by acid mine drainage from geophysical surveyMiningAMDAquiferRechargeDischargeDC resistivityMining activities are known for the profound changes they cause in the environment, especially those related to environmental liabilities generated by these enterprises. One major concern of this sector relies on the acid mine drainage (AMD) process, which is formed by the exposure of sulfide minerals to oxidizing conditions. As a result, the production of low-pH saline waters favors the mobilization of heavy metals to the environment. In the last decades, the characterization and monitoring of contamination plumes have become more feasible due to the application of geophysical tools, more precisely the DC resistivity geophysical method. Thus, the aim of the present study is the application of electrical resistivity tomography to understand the hydrogeological dynamic of a waste rock pile in the Osamu Utsumi uranium mine, with the identification of preferred groundwater and AMD flow. The analysis of the 2D geophysical products allowed the differentiation of high salinity water accumulation zones (< 40 ohm m) in the interior of the pile. Likewise, the evaluation of the pseudo-3D model generated by the interpolation of 2D sections was crucial for the recognition of low resistivity zones within the bedrock, possibly controlled by fractures that work as recharge zones between the waste rock pile and the fractured aquifer. The identification of discharge and recharge zones related to the fractures system is a fundamental step for planning and actions to prevent water-sulfides interaction process, which is responsible for the generation of AMD, and also the installation of groundwater pumping systems.Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Sao Paulo State Univ UNESP, Geosci & Exact Sci Inst IGCE, Ave 24-A,1515, BR-13506900 Rio Claro, SP, BrazilSao Paulo State Univ UNESP, Geosci & Exact Sci Inst IGCE, Ave 24-A,1515, BR-13506900 Rio Claro, SP, BrazilFAPESP: 2018/14565-3SpringerUniversidade Estadual Paulista (Unesp)Moreira, Cesar Augusto [UNESP]Casagrande, Matheus Felipe Stanfoca [UNESP]Siqueira Buchi, Fernanda Miranda de [UNESP]Targa, Debora Andrade [UNESP]2020-12-10T17:36:12Z2020-12-10T17:36:12Z2020-06-17info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article12http://dx.doi.org/10.1007/s42452-020-3021-8Sn Applied Sciences. Cham: Springer International Publishing Ag, v. 2, n. 7, 12 p., 2020.2523-3963http://hdl.handle.net/11449/19548410.1007/s42452-020-3021-8WOS:00054499730000190868573123910800000-0002-6949-6679Web of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengSn Applied Sciencesinfo:eu-repo/semantics/openAccess2021-10-23T08:59:31Zoai:repositorio.unesp.br:11449/195484Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T18:15:47.958156Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Hydrogelogical characterization of a waste rock pile and bedrock affected by acid mine drainage from geophysical survey |
title |
Hydrogelogical characterization of a waste rock pile and bedrock affected by acid mine drainage from geophysical survey |
spellingShingle |
Hydrogelogical characterization of a waste rock pile and bedrock affected by acid mine drainage from geophysical survey Moreira, Cesar Augusto [UNESP] Mining AMD Aquifer Recharge Discharge DC resistivity |
title_short |
Hydrogelogical characterization of a waste rock pile and bedrock affected by acid mine drainage from geophysical survey |
title_full |
Hydrogelogical characterization of a waste rock pile and bedrock affected by acid mine drainage from geophysical survey |
title_fullStr |
Hydrogelogical characterization of a waste rock pile and bedrock affected by acid mine drainage from geophysical survey |
title_full_unstemmed |
Hydrogelogical characterization of a waste rock pile and bedrock affected by acid mine drainage from geophysical survey |
title_sort |
Hydrogelogical characterization of a waste rock pile and bedrock affected by acid mine drainage from geophysical survey |
author |
Moreira, Cesar Augusto [UNESP] |
author_facet |
Moreira, Cesar Augusto [UNESP] Casagrande, Matheus Felipe Stanfoca [UNESP] Siqueira Buchi, Fernanda Miranda de [UNESP] Targa, Debora Andrade [UNESP] |
author_role |
author |
author2 |
Casagrande, Matheus Felipe Stanfoca [UNESP] Siqueira Buchi, Fernanda Miranda de [UNESP] Targa, Debora Andrade [UNESP] |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Moreira, Cesar Augusto [UNESP] Casagrande, Matheus Felipe Stanfoca [UNESP] Siqueira Buchi, Fernanda Miranda de [UNESP] Targa, Debora Andrade [UNESP] |
dc.subject.por.fl_str_mv |
Mining AMD Aquifer Recharge Discharge DC resistivity |
topic |
Mining AMD Aquifer Recharge Discharge DC resistivity |
description |
Mining activities are known for the profound changes they cause in the environment, especially those related to environmental liabilities generated by these enterprises. One major concern of this sector relies on the acid mine drainage (AMD) process, which is formed by the exposure of sulfide minerals to oxidizing conditions. As a result, the production of low-pH saline waters favors the mobilization of heavy metals to the environment. In the last decades, the characterization and monitoring of contamination plumes have become more feasible due to the application of geophysical tools, more precisely the DC resistivity geophysical method. Thus, the aim of the present study is the application of electrical resistivity tomography to understand the hydrogeological dynamic of a waste rock pile in the Osamu Utsumi uranium mine, with the identification of preferred groundwater and AMD flow. The analysis of the 2D geophysical products allowed the differentiation of high salinity water accumulation zones (< 40 ohm m) in the interior of the pile. Likewise, the evaluation of the pseudo-3D model generated by the interpolation of 2D sections was crucial for the recognition of low resistivity zones within the bedrock, possibly controlled by fractures that work as recharge zones between the waste rock pile and the fractured aquifer. The identification of discharge and recharge zones related to the fractures system is a fundamental step for planning and actions to prevent water-sulfides interaction process, which is responsible for the generation of AMD, and also the installation of groundwater pumping systems. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-12-10T17:36:12Z 2020-12-10T17:36:12Z 2020-06-17 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1007/s42452-020-3021-8 Sn Applied Sciences. Cham: Springer International Publishing Ag, v. 2, n. 7, 12 p., 2020. 2523-3963 http://hdl.handle.net/11449/195484 10.1007/s42452-020-3021-8 WOS:000544997300001 9086857312391080 0000-0002-6949-6679 |
url |
http://dx.doi.org/10.1007/s42452-020-3021-8 http://hdl.handle.net/11449/195484 |
identifier_str_mv |
Sn Applied Sciences. Cham: Springer International Publishing Ag, v. 2, n. 7, 12 p., 2020. 2523-3963 10.1007/s42452-020-3021-8 WOS:000544997300001 9086857312391080 0000-0002-6949-6679 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Sn Applied Sciences |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
12 |
dc.publisher.none.fl_str_mv |
Springer |
publisher.none.fl_str_mv |
Springer |
dc.source.none.fl_str_mv |
Web of Science reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808128912652238848 |