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dc.contributor.author
Morales Camera, Matías Martín
dc.contributor.author
Dahlquist, Juan Andrés
dc.contributor.author
García Arias, Marcos
dc.contributor.author
Moreno Moreno, Juan Antonio
dc.contributor.author
Galindo Francisco, Carmen
dc.contributor.author
Basei, Miguel A. S.
dc.contributor.author
Molina, José F.
dc.date.available
2021-09-20T19:30:24Z
dc.date.issued
2020-12
dc.identifier.citation
Morales Camera, Matías Martín; Dahlquist, Juan Andrés; García Arias, Marcos; Moreno Moreno, Juan Antonio; Galindo Francisco, Carmen; et al.; Petrogenesis of the F-rich peraluminous A-type granites: An example from the devonian achala batholith (Characato Suite), Sierras Pampeanas, Argentina; Elsevier Science; Lithos; 378-379; 12-2020; 1-30; 105792
dc.identifier.issn
0024-4937
dc.identifier.uri
http://hdl.handle.net/11336/140927
dc.description.abstract
The Characato suite (Achala batholith, Sierras Pampeanas, Argentina), consists of at least six granitic facies with affinities of F-rich moderately to strongly peraluminous A-type granites. The two more extensive facies (Facies 1 and 2) and a minor one (Facies 5) would represent at least three batches of magma generated by partial melting from the same source but at different times and under different P-T conditions. Previous and new U-Pb zircon ages for the Characato suite suggest that these granites crystallized between 366 ± 3 and 359 ± 5 Ma. U-Pb inherited zircon ages, Th/U ratios and the whole-rock Sr-Nd isotopic compositions indicate that the source is predominantly composed of Early Cambrian S-type granites and diatexites and minor Early Ordovician TTG granitoids, which formed part of the Devonian deep crust of the Sierras de Córdoba. Mineral saturation thermometers, phase equilibrium modeling and trace element modeling suggest that the Facies 1 comprise magmas generated at ~ 0.5 GPa and ~805°C and least evolved Facies 2 (+ Facies 5) comprise magmas generated at ~ 0.7 GPa and ~870°C: both could represent low proportions of pure melts (~10% to ~20%) that contain minor amounts of entrained residual mineral phases. Fractional crystallization models may explain the chemical variation in the evolved granitic samples (Facies 2, 3, 4 and 6) by fractional crystallization of plagioclase, K-feldspar, quartz, biotite, muscovite, zircon, monazite and Fe-Ti-oxides. Facies 6, composed of high evolved granitic rocks, probably represents the late stages of the fractional crystallization process where late fluids interacted with the magmas.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
PERALUMINOUS A-TYPE GRANITES
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PETROGENESIS
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PHASE EQUILIBRIUM MODELING
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SIERRAS PAMPEANAS ARGENTINA
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TRACE ELEMENT MODELING
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Geoquímica y Geofísica
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
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CIENCIAS NATURALES Y EXACTAS
dc.title
Petrogenesis of the F-rich peraluminous A-type granites: An example from the devonian achala batholith (Characato Suite), Sierras Pampeanas, 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
2021-09-06T15:08:00Z
dc.journal.volume
378-379
dc.journal.pagination
1-30; 105792
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Morales Camera, Matías Martín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigaciones en Ciencias de la Tierra. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Centro de Investigaciones en Ciencias de la Tierra; Argentina
dc.description.fil
Fil: Dahlquist, Juan Andrés. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigaciones en Ciencias de la Tierra. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Centro de Investigaciones en Ciencias de la Tierra; Argentina
dc.description.fil
Fil: García Arias, Marcos. Universidad de los Andes; Colombia
dc.description.fil
Fil: Moreno Moreno, Juan Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro de Investigaciones en Ciencias de la Tierra. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Centro de Investigaciones en Ciencias de la Tierra; Argentina
dc.description.fil
Fil: Galindo Francisco, Carmen. Universidad Nacional de Córdoba; Argentina. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina
dc.description.fil
Fil: Basei, Miguel A. S.. Universidade de Sao Paulo; Brasil
dc.description.fil
Fil: Molina, José F.. Universidad de Granada; España
dc.journal.title
Lithos
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.lithos.2020.105792
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0024493720304291
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