Late Quaternary evolution of the La Cantera Fault System (Central Precordillera, Argentina): A morphotectonic and paleoseismic analysis

Autores
Perucca, Laura Patricia A.; Rothis, Luis Martin; Bezerra, Francisco Hilario; Vargas, Nicolás; Lima, Jean
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The La Cantera Fault System (LCFS) is the most active Quaternary structure in the Central Precordillera of SanJuan, in central-western Argentina; the system extends for 47 km along the intermountain valley that separatesthe Sierra de La Cantera and La Invernada, north of the San Juan River. The average fault trend is 20°; it dips atangles varying between 15° and 30° W in the northern section, to approximately 40° W in the central section,and up to 60° W in the southern section. The fault affects Holocene to recent alluvium deposits in the westernpiedmont of the Sierra de La Cantera and is defined by a series of landforms found in compressive tectonicenvironments, including simple and compound counterslope fault scarps, staircased alluvial terraces, sagponds, flexural scarps, aligned springs, broom-shaped drainage patterns, river diversions, beheaded channels,changes in incision depths, sinuosity and a river gradient along channels. Trench investigations indicated thatat least three events occurred in the past 1.1?10.1 ky. The topographic profiles of the selected channels andinterfluves cutting across the northern and central trace of the fault were analyzed using a Stonex Vector GPS differentialsystem to establish the relationship between the topography and slope of the rivers. This morphometricanalysis of scarps indicates that active tectonics have played an essential role in controlling the drainage patternin the piedmont, leading the rivers to adjust to these slope variations. Based on the analyzed geomorphologic,stratigraphic and structural characteristics, the LCFS is considered to be a relevant seismogenic source in the intraplateportion of southern South America, with a recurrence interval of at least 2000 ± 500 years for moderatemagnitude earthquakes during the last 11,000 years.
Fil: Perucca, Laura Patricia A.. Universidad Nacional de San Juan. Facultad de Cs.exactas Fisicas y Naturales. Departamento de Geologia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Juan. Centro de Investigaciones de la Geosfera y Biosfera; Argentina
Fil: Rothis, Luis Martin. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Juan. Centro de Investigaciones de la Geosfera y Biosfera; Argentina. Universidad Nacional de San Juan. Facultad de Ciencias Exactas, Fisicas y Naturales; Argentina
Fil: Bezerra, Francisco Hilario. Universidade Federal do Rio Grande do Norte; Brasil
Fil: Vargas, Nicolás. Universidad Nacional de San Juan. Facultad de Ciencias Exactas, Fisicas y Naturales; Argentina
Fil: Lima, Jean. Universidade Federal do Rio Grande do Norte; Brasil
Materia
Neotectonics
Thrust
Paleosismicity
Holocene
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/6640
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/6640
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Late Quaternary evolution of the La Cantera Fault System (Central Precordillera, Argentina): A morphotectonic and paleoseismic analysisPerucca, Laura Patricia A.Rothis, Luis MartinBezerra, Francisco HilarioVargas, NicolásLima, JeanNeotectonicsThrustPaleosismicityHolocenehttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1The La Cantera Fault System (LCFS) is the most active Quaternary structure in the Central Precordillera of SanJuan, in central-western Argentina; the system extends for 47 km along the intermountain valley that separatesthe Sierra de La Cantera and La Invernada, north of the San Juan River. The average fault trend is 20°; it dips atangles varying between 15° and 30° W in the northern section, to approximately 40° W in the central section,and up to 60° W in the southern section. The fault affects Holocene to recent alluvium deposits in the westernpiedmont of the Sierra de La Cantera and is defined by a series of landforms found in compressive tectonicenvironments, including simple and compound counterslope fault scarps, staircased alluvial terraces, sagponds, flexural scarps, aligned springs, broom-shaped drainage patterns, river diversions, beheaded channels,changes in incision depths, sinuosity and a river gradient along channels. Trench investigations indicated thatat least three events occurred in the past 1.1?10.1 ky. The topographic profiles of the selected channels andinterfluves cutting across the northern and central trace of the fault were analyzed using a Stonex Vector GPS differentialsystem to establish the relationship between the topography and slope of the rivers. This morphometricanalysis of scarps indicates that active tectonics have played an essential role in controlling the drainage patternin the piedmont, leading the rivers to adjust to these slope variations. Based on the analyzed geomorphologic,stratigraphic and structural characteristics, the LCFS is considered to be a relevant seismogenic source in the intraplateportion of southern South America, with a recurrence interval of at least 2000 ± 500 years for moderatemagnitude earthquakes during the last 11,000 years.Fil: Perucca, Laura Patricia A.. Universidad Nacional de San Juan. Facultad de Cs.exactas Fisicas y Naturales. Departamento de Geologia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Juan. Centro de Investigaciones de la Geosfera y Biosfera; ArgentinaFil: Rothis, Luis Martin. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Juan. Centro de Investigaciones de la Geosfera y Biosfera; Argentina. Universidad Nacional de San Juan. Facultad de Ciencias Exactas, Fisicas y Naturales; ArgentinaFil: Bezerra, Francisco Hilario. Universidade Federal do Rio Grande do Norte; BrasilFil: Vargas, Nicolás. Universidad Nacional de San Juan. Facultad de Ciencias Exactas, Fisicas y Naturales; ArgentinaFil: Lima, Jean. Universidade Federal do Rio Grande do Norte; BrasilElsevier2015-10info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/6640Perucca, Laura Patricia A.; Rothis, Luis Martin; Bezerra, Francisco Hilario; Vargas, Nicolás; Lima, Jean; Late Quaternary evolution of the La Cantera Fault System (Central Precordillera, Argentina): A morphotectonic and paleoseismic analysis; Elsevier; Tectonophysics; 661; 10-2015; 200-2090040-1951enginfo:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0040195115004692info:eu-repo/semantics/altIdentifier/doi/info:eu-repo/semantics/altIdentifier/doi/10.1016/j.tecto.2015.08.041info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:01:43Zoai:ri.conicet.gov.ar:11336/6640instacron: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:34982025-09-03 10:01:43.565CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Late Quaternary evolution of the La Cantera Fault System (Central Precordillera, Argentina): A morphotectonic and paleoseismic analysis
title Late Quaternary evolution of the La Cantera Fault System (Central Precordillera, Argentina): A morphotectonic and paleoseismic analysis
spellingShingle Late Quaternary evolution of the La Cantera Fault System (Central Precordillera, Argentina): A morphotectonic and paleoseismic analysis
Perucca, Laura Patricia A.
Neotectonics
Thrust
Paleosismicity
Holocene
title_short Late Quaternary evolution of the La Cantera Fault System (Central Precordillera, Argentina): A morphotectonic and paleoseismic analysis
title_full Late Quaternary evolution of the La Cantera Fault System (Central Precordillera, Argentina): A morphotectonic and paleoseismic analysis
title_fullStr Late Quaternary evolution of the La Cantera Fault System (Central Precordillera, Argentina): A morphotectonic and paleoseismic analysis
title_full_unstemmed Late Quaternary evolution of the La Cantera Fault System (Central Precordillera, Argentina): A morphotectonic and paleoseismic analysis
title_sort Late Quaternary evolution of the La Cantera Fault System (Central Precordillera, Argentina): A morphotectonic and paleoseismic analysis
dc.creator.none.fl_str_mv Perucca, Laura Patricia A.
Rothis, Luis Martin
Bezerra, Francisco Hilario
Vargas, Nicolás
Lima, Jean
author Perucca, Laura Patricia A.
author_facet Perucca, Laura Patricia A.
Rothis, Luis Martin
Bezerra, Francisco Hilario
Vargas, Nicolás
Lima, Jean
author_role author
author2 Rothis, Luis Martin
Bezerra, Francisco Hilario
Vargas, Nicolás
Lima, Jean
author2_role author
author
author
author
dc.subject.none.fl_str_mv Neotectonics
Thrust
Paleosismicity
Holocene
topic Neotectonics
Thrust
Paleosismicity
Holocene
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The La Cantera Fault System (LCFS) is the most active Quaternary structure in the Central Precordillera of SanJuan, in central-western Argentina; the system extends for 47 km along the intermountain valley that separatesthe Sierra de La Cantera and La Invernada, north of the San Juan River. The average fault trend is 20°; it dips atangles varying between 15° and 30° W in the northern section, to approximately 40° W in the central section,and up to 60° W in the southern section. The fault affects Holocene to recent alluvium deposits in the westernpiedmont of the Sierra de La Cantera and is defined by a series of landforms found in compressive tectonicenvironments, including simple and compound counterslope fault scarps, staircased alluvial terraces, sagponds, flexural scarps, aligned springs, broom-shaped drainage patterns, river diversions, beheaded channels,changes in incision depths, sinuosity and a river gradient along channels. Trench investigations indicated thatat least three events occurred in the past 1.1?10.1 ky. The topographic profiles of the selected channels andinterfluves cutting across the northern and central trace of the fault were analyzed using a Stonex Vector GPS differentialsystem to establish the relationship between the topography and slope of the rivers. This morphometricanalysis of scarps indicates that active tectonics have played an essential role in controlling the drainage patternin the piedmont, leading the rivers to adjust to these slope variations. Based on the analyzed geomorphologic,stratigraphic and structural characteristics, the LCFS is considered to be a relevant seismogenic source in the intraplateportion of southern South America, with a recurrence interval of at least 2000 ± 500 years for moderatemagnitude earthquakes during the last 11,000 years.
Fil: Perucca, Laura Patricia A.. Universidad Nacional de San Juan. Facultad de Cs.exactas Fisicas y Naturales. Departamento de Geologia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Juan. Centro de Investigaciones de la Geosfera y Biosfera; Argentina
Fil: Rothis, Luis Martin. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Juan. Centro de Investigaciones de la Geosfera y Biosfera; Argentina. Universidad Nacional de San Juan. Facultad de Ciencias Exactas, Fisicas y Naturales; Argentina
Fil: Bezerra, Francisco Hilario. Universidade Federal do Rio Grande do Norte; Brasil
Fil: Vargas, Nicolás. Universidad Nacional de San Juan. Facultad de Ciencias Exactas, Fisicas y Naturales; Argentina
Fil: Lima, Jean. Universidade Federal do Rio Grande do Norte; Brasil
description The La Cantera Fault System (LCFS) is the most active Quaternary structure in the Central Precordillera of SanJuan, in central-western Argentina; the system extends for 47 km along the intermountain valley that separatesthe Sierra de La Cantera and La Invernada, north of the San Juan River. The average fault trend is 20°; it dips atangles varying between 15° and 30° W in the northern section, to approximately 40° W in the central section,and up to 60° W in the southern section. The fault affects Holocene to recent alluvium deposits in the westernpiedmont of the Sierra de La Cantera and is defined by a series of landforms found in compressive tectonicenvironments, including simple and compound counterslope fault scarps, staircased alluvial terraces, sagponds, flexural scarps, aligned springs, broom-shaped drainage patterns, river diversions, beheaded channels,changes in incision depths, sinuosity and a river gradient along channels. Trench investigations indicated thatat least three events occurred in the past 1.1?10.1 ky. The topographic profiles of the selected channels andinterfluves cutting across the northern and central trace of the fault were analyzed using a Stonex Vector GPS differentialsystem to establish the relationship between the topography and slope of the rivers. This morphometricanalysis of scarps indicates that active tectonics have played an essential role in controlling the drainage patternin the piedmont, leading the rivers to adjust to these slope variations. Based on the analyzed geomorphologic,stratigraphic and structural characteristics, the LCFS is considered to be a relevant seismogenic source in the intraplateportion of southern South America, with a recurrence interval of at least 2000 ± 500 years for moderatemagnitude earthquakes during the last 11,000 years.
publishDate 2015
dc.date.none.fl_str_mv 2015-10
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/11336/6640
Perucca, Laura Patricia A.; Rothis, Luis Martin; Bezerra, Francisco Hilario; Vargas, Nicolás; Lima, Jean; Late Quaternary evolution of the La Cantera Fault System (Central Precordillera, Argentina): A morphotectonic and paleoseismic analysis; Elsevier; Tectonophysics; 661; 10-2015; 200-209
0040-1951
url http://hdl.handle.net/11336/6640
identifier_str_mv Perucca, Laura Patricia A.; Rothis, Luis Martin; Bezerra, Francisco Hilario; Vargas, Nicolás; Lima, Jean; Late Quaternary evolution of the La Cantera Fault System (Central Precordillera, Argentina): A morphotectonic and paleoseismic analysis; Elsevier; Tectonophysics; 661; 10-2015; 200-209
0040-1951
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0040195115004692
info:eu-repo/semantics/altIdentifier/doi/
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.tecto.2015.08.041
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
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 13.13397

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