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dc.contributor.author
Zappettini, Eduardo Osvaldo
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Coira, Beatriz Lidia Luisa
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Santos, J.O.S.
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Cisterna, Clara Eugenia
dc.contributor.author
Belousova, E.
dc.date.available
2018-03-06T19:35:27Z
dc.date.issued
2015-04
dc.identifier.citation
Zappettini, Eduardo Osvaldo; Coira, Beatriz Lidia Luisa; Santos, J.O.S.; Cisterna, Clara Eugenia; Belousova, E.; Combined U-Pb and Lu-Hf isotope study from the Las Lozas volcanics, northwestern Argentina: Evidence of juvenile Cryogenian-derived, lower Pennsylvanian volcanism in western Gondwana; Pergamon-Elsevier Science Ltd; Journal of South American Earth Sciences; 59; 4-2015; 13-18
dc.identifier.issn
0895-9811
dc.identifier.uri
http://hdl.handle.net/11336/38033
dc.description.abstract
Las Lozas volcanic succession, cropping out in the southwestern Puna, Catamarca province, Argentina, consists of an intracontinental volcanic sequence of Carboniferous age. The lavic members are predominantly rhyolites, and subordinated andesites and basalts. The volcaniclastic layers consist of monomictic and polymictic breccias with structures denoting processes of lava fragmentation. They constitute a bimodal suite, ranging from basalts to high silica rhyolites. A new U-Pb SHRIMP age of 320±2 Ma for a rhyolite allows extending the Mississipian magmatism of the region to the lower Pennsylvanian. Hf data point to juvenile sources of Cryogenian age with no evidence of older reworked crustal contamination.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Pergamon-Elsevier Science Ltd
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Argentina
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Bimodal Volcanism
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Cryogenian Juvenile Source
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Lower Pennsylvanian
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Puna
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Meteorología y Ciencias Atmosféricas
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
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CIENCIAS NATURALES Y EXACTAS
dc.title
Combined U-Pb and Lu-Hf isotope study from the Las Lozas volcanics, northwestern Argentina: Evidence of juvenile Cryogenian-derived, lower Pennsylvanian volcanism in western Gondwana
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-03-06T17:44:37Z
dc.journal.volume
59
dc.journal.pagination
13-18
dc.journal.pais
Estados Unidos
dc.description.fil
Fil: Zappettini, Eduardo Osvaldo. Secretaría de Industria y Minería. Servicio Geológico Minero Argentino; Argentina
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Fil: Coira, Beatriz Lidia Luisa. Universidad Nacional de Jujuy. Instituto de Geología Minera; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
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Fil: Santos, J.O.S.. University of Western Australia; Australia
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Fil: Cisterna, Clara Eugenia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo; Argentina
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Fil: Belousova, E.. Macquarie University; Australia
dc.journal.title
Journal of South American Earth Sciences
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0895981115000127
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jsames.2015.01.004
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