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Geochronology and geochemistry of the Tabaquito batholith (Frontal Cordillera, Argentina): geodynamic implications and temporal correlations in the SW Gondwana margin

View ORCID ProfileJuan A. Moreno, Juan A. Dahlquist, Matías M. Morales Cámera, Pablo H. Alasino, Mariano A. Larrovere, View ORCID ProfileMiguel A. S. Basei, Carmen Galindo, Priscila S. Zandomeni and View ORCID ProfileSebastian Rocher
Journal of the Geological Society, 177, 455-474, 8 January 2020, https://doi.org/10.1144/jgs2019-062
Juan A. Moreno
1Centro de Investigaciones en Ciencias de la Tierra (CICTERRA), Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Av. Vélez Sarsfield 1611, Edificio de CICTERRA, X5016CGA Córdoba, Argentina
Roles: [Investigation (Equal)], [Visualization (Equal)], [Writing - Original Draft (Lead)], [Writing - Review & Editing (Lead)]
  • Find this author on Google Scholar
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  • ORCID record for Juan A. Moreno
  • For correspondence: jmoreno_2@ugr.es jumoreno1983@gmail.com
Juan A. Dahlquist
1Centro de Investigaciones en Ciencias de la Tierra (CICTERRA), Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Av. Vélez Sarsfield 1611, Edificio de CICTERRA, X5016CGA Córdoba, Argentina
Roles: [Investigation (Equal)], [Project administration (Lead)], [Resources (Lead)], [Supervision (Equal)], [Writing - Original Draft (Supporting)]
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Matías M. Morales Cámera
1Centro de Investigaciones en Ciencias de la Tierra (CICTERRA), Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Av. Vélez Sarsfield 1611, Edificio de CICTERRA, X5016CGA Córdoba, Argentina
Roles: [Investigation (Equal)], [Visualization (Equal)], [Writing - Original Draft (Supporting)]
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Pablo H. Alasino
2Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja (Prov. de La Rioja–UNLaR–SEGEMAR–UNCa–CONICET), Entre Ríos y Mendoza s/n, Anillaco 5301, Argentina
3Instituto de Geología y Recursos Naturales, Centro de Investigación e Innovación Tecnológica, Universidad Nacional de La Rioja (INGeReN–CENIIT–UNLaR), Av. Gob. Vernet y Apóstol Felipe, 5300 La Rioja, Argentina
Roles: [Investigation (Equal)], [Writing - Original Draft (Supporting)]
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Mariano A. Larrovere
2Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja (Prov. de La Rioja–UNLaR–SEGEMAR–UNCa–CONICET), Entre Ríos y Mendoza s/n, Anillaco 5301, Argentina
3Instituto de Geología y Recursos Naturales, Centro de Investigación e Innovación Tecnológica, Universidad Nacional de La Rioja (INGeReN–CENIIT–UNLaR), Av. Gob. Vernet y Apóstol Felipe, 5300 La Rioja, Argentina
Roles: [Investigation (Equal)], [Writing - Original Draft (Supporting)]
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Miguel A. S. Basei
4Instituto de Geociências da Universidade de São Paulo, RAU do Lago, 562, São Paulo, SP 05508-080, Brazil
Roles: [Formal analysis (Supporting)], [Investigation (Equal)]
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Carmen Galindo
5Departamento de Mineralogía y Petrología, Facultad de Ciencias Geológicas, Universidad Complutense–Instituto de Geociencias (, IGEO, CSIC), 28040 Madrid, Spain
Roles: [Formal analysis (Supporting)], [Investigation (Equal)], [Resources (Equal)]
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Priscila S. Zandomeni
1Centro de Investigaciones en Ciencias de la Tierra (CICTERRA), Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Av. Vélez Sarsfield 1611, Edificio de CICTERRA, X5016CGA Córdoba, Argentina
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Sebastian Rocher
2Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja (Prov. de La Rioja–UNLaR–SEGEMAR–UNCa–CONICET), Entre Ríos y Mendoza s/n, Anillaco 5301, Argentina
3Instituto de Geología y Recursos Naturales, Centro de Investigación e Innovación Tecnológica, Universidad Nacional de La Rioja (INGeReN–CENIIT–UNLaR), Av. Gob. Vernet y Apóstol Felipe, 5300 La Rioja, Argentina
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Abstract

The Tabaquito batholith (Frontal Cordillera, western Argentina), is mainly composed of shallowly emplaced granodiorite to minor monzogranite with abundant mafic microgranular enclaves. New sensitive high-resolution ion microprobe U–Pb zircon ages of c. 337 Ma (biotite granodiorite) and c. 284 Ma (mafic dyke) along with previously published geochronological data suggest that a long-lived magmatic system formed through at least two magmatic pulses at c. 337 and c. 322 Ma with later superimposition of Permian magmatism. The Tabaquito granitoids are metaluminous, calc-alkalic and magnesian with I-type affinity. Elevated Th/Nb, Y/Nb and La/Nb ratios along with negative Nb–Ta and positive Pb anomalies are consistent with a continental arc setting. Hf, Nd and Sr isotopic composition of the Tabaquito granitoids suggests that their source could result from mixing of an old felsic crustal component and a juvenile mafic to intermediate component. New geochronological and geochemical data together with published data reveal a continuous arc setting from the Carboniferous to the Permian in Argentina, and important magmatic compositional variations through time and space controlled by episodic fluctuations in the subduction angle of the oceanic plate. Reported and compiled data allow us to infer the continuity of the Carboniferous magmatic arc along the west margin of Gondwana.

Supplementary material: Detailed petrography, analytical methods and data, zircon cathodoluminescence images and supplementary figures are available at https://doi.org/10.6084/m9.figshare.c.4763993

  • © 2020 The Author(s). Published by The Geological Society of London. All rights reserved
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Journal of the Geological Society: 177 (3)
Journal of the Geological Society
Volume 177, Issue 3
May 2020
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Geochronology and geochemistry of the Tabaquito batholith (Frontal Cordillera, Argentina): geodynamic implications and temporal correlations in the SW Gondwana margin

Juan A. Moreno, Juan A. Dahlquist, Matías M. Morales Cámera, Pablo H. Alasino, Mariano A. Larrovere, Miguel A. S. Basei, Carmen Galindo, Priscila S. Zandomeni and Sebastian Rocher
Journal of the Geological Society, 177, 455-474, 8 January 2020, https://doi.org/10.1144/jgs2019-062
Juan A. Moreno
1Centro de Investigaciones en Ciencias de la Tierra (CICTERRA), Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Av. Vélez Sarsfield 1611, Edificio de CICTERRA, X5016CGA Córdoba, Argentina
Roles: [Investigation (Equal)], [Visualization (Equal)], [Writing - Original Draft (Lead)], [Writing - Review & Editing (Lead)]
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
  • ORCID record for Juan A. Moreno
  • For correspondence: jmoreno_2@ugr.es jumoreno1983@gmail.com
Juan A. Dahlquist
1Centro de Investigaciones en Ciencias de la Tierra (CICTERRA), Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Av. Vélez Sarsfield 1611, Edificio de CICTERRA, X5016CGA Córdoba, Argentina
Roles: [Investigation (Equal)], [Project administration (Lead)], [Resources (Lead)], [Supervision (Equal)], [Writing - Original Draft (Supporting)]
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
Matías M. Morales Cámera
1Centro de Investigaciones en Ciencias de la Tierra (CICTERRA), Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Av. Vélez Sarsfield 1611, Edificio de CICTERRA, X5016CGA Córdoba, Argentina
Roles: [Investigation (Equal)], [Visualization (Equal)], [Writing - Original Draft (Supporting)]
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
Pablo H. Alasino
2Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja (Prov. de La Rioja–UNLaR–SEGEMAR–UNCa–CONICET), Entre Ríos y Mendoza s/n, Anillaco 5301, Argentina
3Instituto de Geología y Recursos Naturales, Centro de Investigación e Innovación Tecnológica, Universidad Nacional de La Rioja (INGeReN–CENIIT–UNLaR), Av. Gob. Vernet y Apóstol Felipe, 5300 La Rioja, Argentina
Roles: [Investigation (Equal)], [Writing - Original Draft (Supporting)]
  • Find this author on Google Scholar
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  • Search for this author on this site
Mariano A. Larrovere
2Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja (Prov. de La Rioja–UNLaR–SEGEMAR–UNCa–CONICET), Entre Ríos y Mendoza s/n, Anillaco 5301, Argentina
3Instituto de Geología y Recursos Naturales, Centro de Investigación e Innovación Tecnológica, Universidad Nacional de La Rioja (INGeReN–CENIIT–UNLaR), Av. Gob. Vernet y Apóstol Felipe, 5300 La Rioja, Argentina
Roles: [Investigation (Equal)], [Writing - Original Draft (Supporting)]
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
Miguel A. S. Basei
4Instituto de Geociências da Universidade de São Paulo, RAU do Lago, 562, São Paulo, SP 05508-080, Brazil
Roles: [Formal analysis (Supporting)], [Investigation (Equal)]
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
  • ORCID record for Miguel A. S. Basei
Carmen Galindo
5Departamento de Mineralogía y Petrología, Facultad de Ciencias Geológicas, Universidad Complutense–Instituto de Geociencias (, IGEO, CSIC), 28040 Madrid, Spain
Roles: [Formal analysis (Supporting)], [Investigation (Equal)], [Resources (Equal)]
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  • Search for this author on this site
Priscila S. Zandomeni
1Centro de Investigaciones en Ciencias de la Tierra (CICTERRA), Consejo Nacional de Investigaciones Científicas y Técnicas, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Av. Vélez Sarsfield 1611, Edificio de CICTERRA, X5016CGA Córdoba, Argentina
Roles: [Investigation (Equal)]
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Sebastian Rocher
2Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja (Prov. de La Rioja–UNLaR–SEGEMAR–UNCa–CONICET), Entre Ríos y Mendoza s/n, Anillaco 5301, Argentina
3Instituto de Geología y Recursos Naturales, Centro de Investigación e Innovación Tecnológica, Universidad Nacional de La Rioja (INGeReN–CENIIT–UNLaR), Av. Gob. Vernet y Apóstol Felipe, 5300 La Rioja, Argentina
Roles: [Investigation (Equal)]
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  • ORCID record for Sebastian Rocher

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Geochronology and geochemistry of the Tabaquito batholith (Frontal Cordillera, Argentina): geodynamic implications and temporal correlations in the SW Gondwana margin

Juan A. Moreno, Juan A. Dahlquist, Matías M. Morales Cámera, Pablo H. Alasino, Mariano A. Larrovere, Miguel A. S. Basei, Carmen Galindo, Priscila S. Zandomeni and Sebastian Rocher
Journal of the Geological Society, 177, 455-474, 8 January 2020, https://doi.org/10.1144/jgs2019-062
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  • Article
    • Abstract
    • Geological setting: the Frontal Cordillera and Tabaquito batholith
    • Samples and methods
    • Mineral chemistry
    • U–Pb zircon dating
    • Whole-rock chemistry
    • Nd and Sr isotopes
    • P–T conditions
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