Tectonic Evolution of the Chos Malal Fold-and-Thrust Belt (Neuquén Basin, Argentina) From (U-Th)/He and Fission Track Thermochronometry

Autores
Sánchez, Natalia Paola; Coutand, I.; Turienzo, Martin Miguel; Lebinson, Fernando Oscar; Araujo, Vanesa Soledad; Dimieri, Luis Vicente
Año de publicación
2018
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
In the southern central Andes at 37–38°S latitude, the Chos Malal fold-and-thrust belt (FTB), which results from the Late Cretaceous closure of the Neuquén Basin, has generated increasing interest because of its potential for hydrocarbon exploration. Using detailed field mapping, seismic reflection, and well data analysis, we have produced balanced cross sections, which combined with apatite and zircon (U-Th)/He, and fission track thermochronology from samples distributed along the FTB, bring new constraints on the chronology of the structural development of the Chos Malal FTB. Fully reset samples obtained from the Early Jurassic rocks at the bottom of the sedimentary sequence exposed in the Cordillera del Viento, a major basement-involved hinterland structure, permit to quantify its cooling rate from 5.4 ± 4.1 and 3.8 ± 3.2 °C/Ma between 70 and 55 Ma down to between 2.0 ± 1.3 and 1.3 ± 0.9 °C/Ma after 55 Ma until the present. Detrital apatite fission track ages from Late Jurassic and Early Cretaceous sandstones reveal that tectonically driven exhumation through basement-involved thrusting has occurred at ~15–7 Ma in both the inner and outer sectors of the FTB. Finally, the cooling and exhumation of the Las Yeseras-Pampa Tril basement-involved anticlines at the mountain front at ~9–7 Ma, slightly younger than previously assumed, suggests a normal sequence of faulting propagation. Our proposed thermostructural model of the Chos Malal FTB contributes to a better understanding of the tectonic evolution of this segment of the Andes.
Fil: Sánchez, Natalia Paola. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; Argentina
Fil: Coutand, I.. Dalhousie University Halifax; Canadá
Fil: Turienzo, Martin Miguel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; Argentina
Fil: Lebinson, Fernando Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; Argentina
Fil: Araujo, Vanesa Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; Argentina
Fil: Dimieri, Luis Vicente. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; Argentina
Materia
(U-TH)/HE AND FISSION TRACK THERMOCHRONOLOGY
ANDEAN TECTONICS
ARGENTINEAN ANDES
STRUCTURAL EVOLUTION
THICK- AND THIN-SKINNED DEFORMATION
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/83549
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/83549
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Tectonic Evolution of the Chos Malal Fold-and-Thrust Belt (Neuquén Basin, Argentina) From (U-Th)/He and Fission Track ThermochronometrySánchez, Natalia PaolaCoutand, I.Turienzo, Martin MiguelLebinson, Fernando OscarAraujo, Vanesa SoledadDimieri, Luis Vicente(U-TH)/HE AND FISSION TRACK THERMOCHRONOLOGYANDEAN TECTONICSARGENTINEAN ANDESSTRUCTURAL EVOLUTIONTHICK- AND THIN-SKINNED DEFORMATIONhttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1In the southern central Andes at 37–38°S latitude, the Chos Malal fold-and-thrust belt (FTB), which results from the Late Cretaceous closure of the Neuquén Basin, has generated increasing interest because of its potential for hydrocarbon exploration. Using detailed field mapping, seismic reflection, and well data analysis, we have produced balanced cross sections, which combined with apatite and zircon (U-Th)/He, and fission track thermochronology from samples distributed along the FTB, bring new constraints on the chronology of the structural development of the Chos Malal FTB. Fully reset samples obtained from the Early Jurassic rocks at the bottom of the sedimentary sequence exposed in the Cordillera del Viento, a major basement-involved hinterland structure, permit to quantify its cooling rate from 5.4 ± 4.1 and 3.8 ± 3.2 °C/Ma between 70 and 55 Ma down to between 2.0 ± 1.3 and 1.3 ± 0.9 °C/Ma after 55 Ma until the present. Detrital apatite fission track ages from Late Jurassic and Early Cretaceous sandstones reveal that tectonically driven exhumation through basement-involved thrusting has occurred at ~15–7 Ma in both the inner and outer sectors of the FTB. Finally, the cooling and exhumation of the Las Yeseras-Pampa Tril basement-involved anticlines at the mountain front at ~9–7 Ma, slightly younger than previously assumed, suggests a normal sequence of faulting propagation. Our proposed thermostructural model of the Chos Malal FTB contributes to a better understanding of the tectonic evolution of this segment of the Andes.Fil: Sánchez, Natalia Paola. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; ArgentinaFil: Coutand, I.. Dalhousie University Halifax; CanadáFil: Turienzo, Martin Miguel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; ArgentinaFil: Lebinson, Fernando Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; ArgentinaFil: Araujo, Vanesa Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; ArgentinaFil: Dimieri, Luis Vicente. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; ArgentinaAmerican Geophysical Union2018-07info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/83549Sánchez, Natalia Paola; Coutand, I.; Turienzo, Martin Miguel; Lebinson, Fernando Oscar; Araujo, Vanesa Soledad; et al.; Tectonic Evolution of the Chos Malal Fold-and-Thrust Belt (Neuquén Basin, Argentina) From (U-Th)/He and Fission Track Thermochronometry; American Geophysical Union; Tectonics; 37; 7; 7-2018; 1907-19290278-7407CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1029/2018TC004981info:eu-repo/semantics/altIdentifier/url/https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2018TC004981info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:11:05Zoai:ri.conicet.gov.ar:11336/83549instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 11:11:05.412CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Tectonic Evolution of the Chos Malal Fold-and-Thrust Belt (Neuquén Basin, Argentina) From (U-Th)/He and Fission Track Thermochronometry
title Tectonic Evolution of the Chos Malal Fold-and-Thrust Belt (Neuquén Basin, Argentina) From (U-Th)/He and Fission Track Thermochronometry
spellingShingle Tectonic Evolution of the Chos Malal Fold-and-Thrust Belt (Neuquén Basin, Argentina) From (U-Th)/He and Fission Track Thermochronometry
Sánchez, Natalia Paola
(U-TH)/HE AND FISSION TRACK THERMOCHRONOLOGY
ANDEAN TECTONICS
ARGENTINEAN ANDES
STRUCTURAL EVOLUTION
THICK- AND THIN-SKINNED DEFORMATION
title_short Tectonic Evolution of the Chos Malal Fold-and-Thrust Belt (Neuquén Basin, Argentina) From (U-Th)/He and Fission Track Thermochronometry
title_full Tectonic Evolution of the Chos Malal Fold-and-Thrust Belt (Neuquén Basin, Argentina) From (U-Th)/He and Fission Track Thermochronometry
title_fullStr Tectonic Evolution of the Chos Malal Fold-and-Thrust Belt (Neuquén Basin, Argentina) From (U-Th)/He and Fission Track Thermochronometry
title_full_unstemmed Tectonic Evolution of the Chos Malal Fold-and-Thrust Belt (Neuquén Basin, Argentina) From (U-Th)/He and Fission Track Thermochronometry
title_sort Tectonic Evolution of the Chos Malal Fold-and-Thrust Belt (Neuquén Basin, Argentina) From (U-Th)/He and Fission Track Thermochronometry
dc.creator.none.fl_str_mv Sánchez, Natalia Paola
Coutand, I.
Turienzo, Martin Miguel
Lebinson, Fernando Oscar
Araujo, Vanesa Soledad
Dimieri, Luis Vicente
author Sánchez, Natalia Paola
author_facet Sánchez, Natalia Paola
Coutand, I.
Turienzo, Martin Miguel
Lebinson, Fernando Oscar
Araujo, Vanesa Soledad
Dimieri, Luis Vicente
author_role author
author2 Coutand, I.
Turienzo, Martin Miguel
Lebinson, Fernando Oscar
Araujo, Vanesa Soledad
Dimieri, Luis Vicente
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv (U-TH)/HE AND FISSION TRACK THERMOCHRONOLOGY
ANDEAN TECTONICS
ARGENTINEAN ANDES
STRUCTURAL EVOLUTION
THICK- AND THIN-SKINNED DEFORMATION
topic (U-TH)/HE AND FISSION TRACK THERMOCHRONOLOGY
ANDEAN TECTONICS
ARGENTINEAN ANDES
STRUCTURAL EVOLUTION
THICK- AND THIN-SKINNED DEFORMATION
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv In the southern central Andes at 37–38°S latitude, the Chos Malal fold-and-thrust belt (FTB), which results from the Late Cretaceous closure of the Neuquén Basin, has generated increasing interest because of its potential for hydrocarbon exploration. Using detailed field mapping, seismic reflection, and well data analysis, we have produced balanced cross sections, which combined with apatite and zircon (U-Th)/He, and fission track thermochronology from samples distributed along the FTB, bring new constraints on the chronology of the structural development of the Chos Malal FTB. Fully reset samples obtained from the Early Jurassic rocks at the bottom of the sedimentary sequence exposed in the Cordillera del Viento, a major basement-involved hinterland structure, permit to quantify its cooling rate from 5.4 ± 4.1 and 3.8 ± 3.2 °C/Ma between 70 and 55 Ma down to between 2.0 ± 1.3 and 1.3 ± 0.9 °C/Ma after 55 Ma until the present. Detrital apatite fission track ages from Late Jurassic and Early Cretaceous sandstones reveal that tectonically driven exhumation through basement-involved thrusting has occurred at ~15–7 Ma in both the inner and outer sectors of the FTB. Finally, the cooling and exhumation of the Las Yeseras-Pampa Tril basement-involved anticlines at the mountain front at ~9–7 Ma, slightly younger than previously assumed, suggests a normal sequence of faulting propagation. Our proposed thermostructural model of the Chos Malal FTB contributes to a better understanding of the tectonic evolution of this segment of the Andes.
Fil: Sánchez, Natalia Paola. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; Argentina
Fil: Coutand, I.. Dalhousie University Halifax; Canadá
Fil: Turienzo, Martin Miguel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; Argentina
Fil: Lebinson, Fernando Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; Argentina
Fil: Araujo, Vanesa Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; Argentina
Fil: Dimieri, Luis Vicente. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Instituto Geológico del Sur. Universidad Nacional del Sur. Departamento de Geología. Instituto Geológico del Sur; Argentina
description In the southern central Andes at 37–38°S latitude, the Chos Malal fold-and-thrust belt (FTB), which results from the Late Cretaceous closure of the Neuquén Basin, has generated increasing interest because of its potential for hydrocarbon exploration. Using detailed field mapping, seismic reflection, and well data analysis, we have produced balanced cross sections, which combined with apatite and zircon (U-Th)/He, and fission track thermochronology from samples distributed along the FTB, bring new constraints on the chronology of the structural development of the Chos Malal FTB. Fully reset samples obtained from the Early Jurassic rocks at the bottom of the sedimentary sequence exposed in the Cordillera del Viento, a major basement-involved hinterland structure, permit to quantify its cooling rate from 5.4 ± 4.1 and 3.8 ± 3.2 °C/Ma between 70 and 55 Ma down to between 2.0 ± 1.3 and 1.3 ± 0.9 °C/Ma after 55 Ma until the present. Detrital apatite fission track ages from Late Jurassic and Early Cretaceous sandstones reveal that tectonically driven exhumation through basement-involved thrusting has occurred at ~15–7 Ma in both the inner and outer sectors of the FTB. Finally, the cooling and exhumation of the Las Yeseras-Pampa Tril basement-involved anticlines at the mountain front at ~9–7 Ma, slightly younger than previously assumed, suggests a normal sequence of faulting propagation. Our proposed thermostructural model of the Chos Malal FTB contributes to a better understanding of the tectonic evolution of this segment of the Andes.
publishDate 2018
dc.date.none.fl_str_mv 2018-07
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/83549
Sánchez, Natalia Paola; Coutand, I.; Turienzo, Martin Miguel; Lebinson, Fernando Oscar; Araujo, Vanesa Soledad; et al.; Tectonic Evolution of the Chos Malal Fold-and-Thrust Belt (Neuquén Basin, Argentina) From (U-Th)/He and Fission Track Thermochronometry; American Geophysical Union; Tectonics; 37; 7; 7-2018; 1907-1929
0278-7407
CONICET Digital
CONICET
url http://hdl.handle.net/11336/83549
identifier_str_mv Sánchez, Natalia Paola; Coutand, I.; Turienzo, Martin Miguel; Lebinson, Fernando Oscar; Araujo, Vanesa Soledad; et al.; Tectonic Evolution of the Chos Malal Fold-and-Thrust Belt (Neuquén Basin, Argentina) From (U-Th)/He and Fission Track Thermochronometry; American Geophysical Union; Tectonics; 37; 7; 7-2018; 1907-1929
0278-7407
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1029/2018TC004981
info:eu-repo/semantics/altIdentifier/url/https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2018TC004981
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv American Geophysical Union
publisher.none.fl_str_mv American Geophysical Union
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 12.982451

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