Late Pleistocene-Holocene earthquake-inducedslumps and soft-sediment deformation structures in the Acequion River valley, Central Precordillera, Argentina

Autores
Perucca, Laura Patricia A.; Godoy, Enrique; Pantano Zuñiga, Ana Vanesa
Año de publicación
2014
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Evidence of earthquake-induced liquefaction features in the Acequión river valley, central western Argentina, is analysed. Well-preserved soft-sediment deformation structures are present in Late Pleistocene deposits; they include two large slumps and several sand dikes, convolutions, pseudonodules, faults, dish structures and diapirs in the basal part of a shallow-lacustrine succession in the El Acequión River area. The water-saturated state of these sediments favoured deformation. All structures were studied in a natural trench created as a result of erosion by a tributary of the Acequión River, called El Mono Creek. They form part of a large-scale slump system. Two slumps occur in the western portion of the trench and must have moved towards the ENE (70°), where the depocentre of the Boca del Acequión area is situated. Considering the spatial relationship with Quaternary faults, the slumps are interpreted as being due to a seismic event. The thickest dikes in the El Mono Creek trench occur in the eastern portion of the trench, indicating that the responsible earthquake was located to the east of the study area, probably at the Cerro Salinas fault system zone. The slumps, sand dikes and other soft-sediment deformation features are interpreted as having been triggered by earthquakes, thus providing a preliminary palaeoseismic record of the Cerro Salinas fault system and extending the record of moderate-to high-magnitude earthquakes in central western Argentina to the Late Pleistocene.
Fil: Perucca, Laura Patricia A.. Universidad Nacional de San Juan. Facultad de Ciencias Exactas Fisicas y Naturales. Instituto de Geologia "Dr. Emiliano Aparicio". Gabinete de Neotectonica y Geomorfologia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Juan. Centro de Investigaciones de la Geosfera y Biosfera; Argentina
Fil: Godoy, Enrique. Universidad Nacional de San Juan. Facultad de Cs.exactas Fisicas y Naturales. Departamento de Geologia; Argentina
Fil: Pantano Zuñiga, Ana Vanesa. Universidad Nacional de San Juan. Facultad de Ciencias Exactas Fisicas y Naturales. Instituto de Geologia "Dr. Emiliano Aparicio". Gabinete de Neotectonica y Geomorfologia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Juan. Centro de Investigaciones de la Geosfera y Biosfera; Argentina
Materia
LACUSTRINE
LIQUEFACTION
SLUMPS
EARTHQUAKE
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:11336/4920
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/4920
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Late Pleistocene-Holocene earthquake-inducedslumps and soft-sediment deformation structures in the Acequion River valley, Central Precordillera, ArgentinaPerucca, Laura Patricia A.Godoy, EnriquePantano Zuñiga, Ana VanesaLACUSTRINELIQUEFACTIONSLUMPSEARTHQUAKEhttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1Evidence of earthquake-induced liquefaction features in the Acequión river valley, central western Argentina, is analysed. Well-preserved soft-sediment deformation structures are present in Late Pleistocene deposits; they include two large slumps and several sand dikes, convolutions, pseudonodules, faults, dish structures and diapirs in the basal part of a shallow-lacustrine succession in the El Acequión River area. The water-saturated state of these sediments favoured deformation. All structures were studied in a natural trench created as a result of erosion by a tributary of the Acequión River, called El Mono Creek. They form part of a large-scale slump system. Two slumps occur in the western portion of the trench and must have moved towards the ENE (70°), where the depocentre of the Boca del Acequión area is situated. Considering the spatial relationship with Quaternary faults, the slumps are interpreted as being due to a seismic event. The thickest dikes in the El Mono Creek trench occur in the eastern portion of the trench, indicating that the responsible earthquake was located to the east of the study area, probably at the Cerro Salinas fault system zone. The slumps, sand dikes and other soft-sediment deformation features are interpreted as having been triggered by earthquakes, thus providing a preliminary palaeoseismic record of the Cerro Salinas fault system and extending the record of moderate-to high-magnitude earthquakes in central western Argentina to the Late Pleistocene.Fil: Perucca, Laura Patricia A.. Universidad Nacional de San Juan. Facultad de Ciencias Exactas Fisicas y Naturales. Instituto de Geologia "Dr. Emiliano Aparicio". Gabinete de Neotectonica y Geomorfologia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Juan. Centro de Investigaciones de la Geosfera y Biosfera; ArgentinaFil: Godoy, Enrique. Universidad Nacional de San Juan. Facultad de Cs.exactas Fisicas y Naturales. Departamento de Geologia; ArgentinaFil: Pantano Zuñiga, Ana Vanesa. Universidad Nacional de San Juan. Facultad de Ciencias Exactas Fisicas y Naturales. Instituto de Geologia "Dr. Emiliano Aparicio". Gabinete de Neotectonica y Geomorfologia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Juan. Centro de Investigaciones de la Geosfera y Biosfera; ArgentinaDe Gruyter2014-07info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/4920Perucca, Laura Patricia A.; Godoy, Enrique; Pantano Zuñiga, Ana Vanesa; Late Pleistocene-Holocene earthquake-inducedslumps and soft-sediment deformation structures in the Acequion River valley, Central Precordillera, Argentina; De Gruyter; Geologos; 20; 2; 7-2014; 147-1562080-6574enginfo:eu-repo/semantics/altIdentifier/url/http://www.degruyter.com/view/j/logos.2014.20.issue-2/logos-2014-0007/logos-2014-0007.xmlinfo:eu-repo/semantics/altIdentifier/doi/10.2478/logos-2014-0007info:eu-repo/semantics/altIdentifier/doi/info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-17T11:01:09Zoai:ri.conicet.gov.ar:11336/4920instacron: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:34982025-09-17 11:01:09.766CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Late Pleistocene-Holocene earthquake-inducedslumps and soft-sediment deformation structures in the Acequion River valley, Central Precordillera, Argentina
title Late Pleistocene-Holocene earthquake-inducedslumps and soft-sediment deformation structures in the Acequion River valley, Central Precordillera, Argentina
spellingShingle Late Pleistocene-Holocene earthquake-inducedslumps and soft-sediment deformation structures in the Acequion River valley, Central Precordillera, Argentina
Perucca, Laura Patricia A.
LACUSTRINE
LIQUEFACTION
SLUMPS
EARTHQUAKE
title_short Late Pleistocene-Holocene earthquake-inducedslumps and soft-sediment deformation structures in the Acequion River valley, Central Precordillera, Argentina
title_full Late Pleistocene-Holocene earthquake-inducedslumps and soft-sediment deformation structures in the Acequion River valley, Central Precordillera, Argentina
title_fullStr Late Pleistocene-Holocene earthquake-inducedslumps and soft-sediment deformation structures in the Acequion River valley, Central Precordillera, Argentina
title_full_unstemmed Late Pleistocene-Holocene earthquake-inducedslumps and soft-sediment deformation structures in the Acequion River valley, Central Precordillera, Argentina
title_sort Late Pleistocene-Holocene earthquake-inducedslumps and soft-sediment deformation structures in the Acequion River valley, Central Precordillera, Argentina
dc.creator.none.fl_str_mv Perucca, Laura Patricia A.
Godoy, Enrique
Pantano Zuñiga, Ana Vanesa
author Perucca, Laura Patricia A.
author_facet Perucca, Laura Patricia A.
Godoy, Enrique
Pantano Zuñiga, Ana Vanesa
author_role author
author2 Godoy, Enrique
Pantano Zuñiga, Ana Vanesa
author2_role author
author
dc.subject.none.fl_str_mv LACUSTRINE
LIQUEFACTION
SLUMPS
EARTHQUAKE
topic LACUSTRINE
LIQUEFACTION
SLUMPS
EARTHQUAKE
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Evidence of earthquake-induced liquefaction features in the Acequión river valley, central western Argentina, is analysed. Well-preserved soft-sediment deformation structures are present in Late Pleistocene deposits; they include two large slumps and several sand dikes, convolutions, pseudonodules, faults, dish structures and diapirs in the basal part of a shallow-lacustrine succession in the El Acequión River area. The water-saturated state of these sediments favoured deformation. All structures were studied in a natural trench created as a result of erosion by a tributary of the Acequión River, called El Mono Creek. They form part of a large-scale slump system. Two slumps occur in the western portion of the trench and must have moved towards the ENE (70°), where the depocentre of the Boca del Acequión area is situated. Considering the spatial relationship with Quaternary faults, the slumps are interpreted as being due to a seismic event. The thickest dikes in the El Mono Creek trench occur in the eastern portion of the trench, indicating that the responsible earthquake was located to the east of the study area, probably at the Cerro Salinas fault system zone. The slumps, sand dikes and other soft-sediment deformation features are interpreted as having been triggered by earthquakes, thus providing a preliminary palaeoseismic record of the Cerro Salinas fault system and extending the record of moderate-to high-magnitude earthquakes in central western Argentina to the Late Pleistocene.
Fil: Perucca, Laura Patricia A.. Universidad Nacional de San Juan. Facultad de Ciencias Exactas Fisicas y Naturales. Instituto de Geologia "Dr. Emiliano Aparicio". Gabinete de Neotectonica y Geomorfologia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Juan. Centro de Investigaciones de la Geosfera y Biosfera; Argentina
Fil: Godoy, Enrique. Universidad Nacional de San Juan. Facultad de Cs.exactas Fisicas y Naturales. Departamento de Geologia; Argentina
Fil: Pantano Zuñiga, Ana Vanesa. Universidad Nacional de San Juan. Facultad de Ciencias Exactas Fisicas y Naturales. Instituto de Geologia "Dr. Emiliano Aparicio". Gabinete de Neotectonica y Geomorfologia; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Juan. Centro de Investigaciones de la Geosfera y Biosfera; Argentina
description Evidence of earthquake-induced liquefaction features in the Acequión river valley, central western Argentina, is analysed. Well-preserved soft-sediment deformation structures are present in Late Pleistocene deposits; they include two large slumps and several sand dikes, convolutions, pseudonodules, faults, dish structures and diapirs in the basal part of a shallow-lacustrine succession in the El Acequión River area. The water-saturated state of these sediments favoured deformation. All structures were studied in a natural trench created as a result of erosion by a tributary of the Acequión River, called El Mono Creek. They form part of a large-scale slump system. Two slumps occur in the western portion of the trench and must have moved towards the ENE (70°), where the depocentre of the Boca del Acequión area is situated. Considering the spatial relationship with Quaternary faults, the slumps are interpreted as being due to a seismic event. The thickest dikes in the El Mono Creek trench occur in the eastern portion of the trench, indicating that the responsible earthquake was located to the east of the study area, probably at the Cerro Salinas fault system zone. The slumps, sand dikes and other soft-sediment deformation features are interpreted as having been triggered by earthquakes, thus providing a preliminary palaeoseismic record of the Cerro Salinas fault system and extending the record of moderate-to high-magnitude earthquakes in central western Argentina to the Late Pleistocene.
publishDate 2014
dc.date.none.fl_str_mv 2014-07
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/11336/4920
Perucca, Laura Patricia A.; Godoy, Enrique; Pantano Zuñiga, Ana Vanesa; Late Pleistocene-Holocene earthquake-inducedslumps and soft-sediment deformation structures in the Acequion River valley, Central Precordillera, Argentina; De Gruyter; Geologos; 20; 2; 7-2014; 147-156
2080-6574
url http://hdl.handle.net/11336/4920
identifier_str_mv Perucca, Laura Patricia A.; Godoy, Enrique; Pantano Zuñiga, Ana Vanesa; Late Pleistocene-Holocene earthquake-inducedslumps and soft-sediment deformation structures in the Acequion River valley, Central Precordillera, Argentina; De Gruyter; Geologos; 20; 2; 7-2014; 147-156
2080-6574
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.degruyter.com/view/j/logos.2014.20.issue-2/logos-2014-0007/logos-2014-0007.xml
info:eu-repo/semantics/altIdentifier/doi/10.2478/logos-2014-0007
info:eu-repo/semantics/altIdentifier/doi/
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 De Gruyter
publisher.none.fl_str_mv De Gruyter
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
_version_ 1843606306868428800
score 13.001348

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