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Abstract:

The South American Guaraní Aquifer System covers the entire Parana basin and part of the Chaco-Parana basin. This system is one of the most important groundwater reservoirs; it is shared by four neighboring countries covering an area larger than one million square kilometers.The geological units closely related to the Guaraní Aquifer are the Piramboia and Botucatu Formations that consist of Triassic-Jurassic aeolian, fluvial and lacustrine sandstones, and the Serra Geral basalts with clastic intercalations. Serra Geral, an effusive Cretaceous complex, covers the sandstones and provides a high degree of confinement to the system.This paper presents the interpretation of magnetotelluric (MT) data collected during 2007-2008 in Entre Ríos Province, Argentina. These data, recorded in three profiles, mainly provide the depth to the crystalline basement, determinant for the presence of aquifer-related sediments. Models showed that the discrimination of the basalts strongly depends on local electrical characteristics. Model information is quite consistent with the information from oil and thermal wells located close to the profiles. © 2011 Elsevier Ltd.

Registro:

Documento: Artículo
Título:Magnetotellurics applied to the study of the Guaraní aquifer in Entre Ríos Province, N-E Argentina
Autor:Favetto, A.; Curcio, A.; Pomposiello, C.
Filiación:INGEIS-CONICET, Ciudad Universitaria, Pabellón INGEIS, Buenos Aires 1428, Argentina
Palabras clave:Chaco Paranense Basin; Guaraní Aquifer; Magnetotellurics; aquifer; electrical conductivity; eolian deposit; fluvial deposit; groundwater; lacustrine deposit; magnetotelluric method; sandstone; Argentina; Entre Rios; Guarani Aquifer
Año:2011
Volumen:32
Número:1
Página de inicio:49
Página de fin:57
DOI: http://dx.doi.org/10.1016/j.jsames.2011.03.005
Título revista:Journal of South American Earth Sciences
Título revista abreviado:J. South Am. Earth Sci.
ISSN:08959811
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08959811_v32_n1_p49_Favetto

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Citas:

---------- APA ----------
Favetto, A., Curcio, A. & Pomposiello, C. (2011) . Magnetotellurics applied to the study of the Guaraní aquifer in Entre Ríos Province, N-E Argentina. Journal of South American Earth Sciences, 32(1), 49-57.
http://dx.doi.org/10.1016/j.jsames.2011.03.005
---------- CHICAGO ----------
Favetto, A., Curcio, A., Pomposiello, C. "Magnetotellurics applied to the study of the Guaraní aquifer in Entre Ríos Province, N-E Argentina" . Journal of South American Earth Sciences 32, no. 1 (2011) : 49-57.
http://dx.doi.org/10.1016/j.jsames.2011.03.005
---------- MLA ----------
Favetto, A., Curcio, A., Pomposiello, C. "Magnetotellurics applied to the study of the Guaraní aquifer in Entre Ríos Province, N-E Argentina" . Journal of South American Earth Sciences, vol. 32, no. 1, 2011, pp. 49-57.
http://dx.doi.org/10.1016/j.jsames.2011.03.005
---------- VANCOUVER ----------
Favetto, A., Curcio, A., Pomposiello, C. Magnetotellurics applied to the study of the Guaraní aquifer in Entre Ríos Province, N-E Argentina. J. South Am. Earth Sci. 2011;32(1):49-57.
http://dx.doi.org/10.1016/j.jsames.2011.03.005