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dc.contributor.author
Giordano, Guido
dc.contributor.author
Pinton, Annamaria
dc.contributor.author
Cianfarra, Paola
dc.contributor.author
Baez, Walter Ariel
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dc.contributor.author
Chiodi, Agostina Laura
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dc.contributor.author
Viramonte, Jose German
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dc.contributor.author
Norini, Gianluca
dc.contributor.author
Groppelli, Gianluca
dc.date.available
2015-09-23T20:26:42Z
dc.date.issued
2013-01-01
dc.identifier.citation
Giordano, Guido; Pinton, Annamaria; Cianfarra, Paola; Baez, Walter Ariel; Chiodi, Agostina Laura; et al.; Structural control on geothermal circulation in the Cerro Tuzgle-Tocomar geothermal volcanic area (Puna plateau, Argentina); Elsevier; Journal of Volcanology and Geothermal Research; 249; 01-1-2013; 77-94
dc.identifier.issn
0377-0273
dc.identifier.uri
http://hdl.handle.net/11336/2089
dc.description.abstract
The reconstruction of the stratigraphical-structural framework and the hydrogeology of geothermal areas is fundamental for understanding the relationships between cap rocks, reservoir and circulation of geothermal fluids and for planning the exploitation of the field. The Cerro Tuzgle-Tocomar geothermal volcanic area (Puna plateau, Central Andes, NW Argentina) has a high geothermal potential. It is crossed by the active NW-SE trans-Andean tectonic lineament known as the Calama-Olacapato-Toro (COT) fault system, which favours a high secondary permeability testified by the presence of numerous springs. This study presents new stratigraphic and hydrogeological data on the geothermal field, together with the analysis from remote sensed image analysis of morphostructural evidences associated with the structural framework and active tectonics. Our data suggest that the main geothermal reservoir is located within or below the Pre-Palaeozoic-Ordovician basement units, characterised by unevenly distributed secondary permeability. The reservoir is recharged by infiltration in the ridges above 4500 m a.s.l., where basement rocks are in outcrop. Below 4500 m a.s.l., the reservoir is covered by the low permeable Miocene-Quaternary units that allow a poor circulation of shallow groundwater. Geothermal fluids upwell in areas with more intense fracturing, especially where main regional structures, particularly NW-SE COT-parallel lineaments, intersect with secondary structures, such as at the Tocomar field. Away from the main tectonic features, such as at the Cerro Tuzgle field, the less developed network of faults and fractures allows only a moderate upwelling of geothermal fluids and a mixing between hot and shallow cold waters. The integration of field-based and remote-sensing analyses at the Cerro Tuzgle-Tocomar area proved to be effective in approaching the prospection of remote geothermal fields, and in defining the conceptual model for geothermal circulation.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
Geothermal Field
dc.subject
Structural Lineaments
dc.subject
Secondary Permeability
dc.subject
Remote Sensing
dc.subject.classification
Geociencias multidisciplinaria
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Structural control on geothermal circulation in the Cerro Tuzgle-Tocomar geothermal volcanic area (Puna plateau, Argentina)
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-03-30 10:35:44.97925-03
dc.journal.volume
249
dc.journal.pagination
77-94
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Giordano, Guido. Università Roma Tre. Dipartimento di Scienze Geologiche; Italia;
dc.description.fil
Fil: Pinton, Annamaria. Università Roma Tre. Dipartimento di Scienze Geologiche; Italia;
dc.description.fil
Fil: Cianfarra, Paola. Università Roma Tre. Dipartimento di Scienze Geologiche; Italia;
dc.description.fil
Fil: Baez, Walter Ariel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - CONICET - Salta. Instituto de Investigaciones en Energía No Convencional; Argentina; Universidad Nacional de Salta. Facultad De Ciencias Naturales. Instituto Geonorte; Argentina;
dc.description.fil
Fil: Chiodi, Agostina Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - CONICET- Salta. Instituto de Investigaciones en Energía No Convencional; Argentina; Universidad Nacional de Salta. Facultad De Ciencias Naturales. Instituto Geonorte; Argentina;
dc.description.fil
Fil: Viramonte, Jose German. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - CONICET - Salta. Instituto de Investigaciones en Energía No Convencional; Argentina; Universidad Nacional de Salta. Facultad De Ciencias Naturales. Instituto Geonorte; Argentina;
dc.description.fil
Fil: Norini, Gianluca. Consiglio Nazionale Delle Ricerche. Istituto per la Dinamica dei Processi Ambientali; Italia;
dc.description.fil
Fil: Groppelli, Gianluca. Consiglio Nazionale Delle Ricerche. Istituto per la Dinamica dei Processi Ambientali; Italia;
dc.journal.title
Journal of Volcanology and Geothermal Research
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jvolgeores.2012.09.009
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0377027312002806
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