Geomorphological classification and landscape evolution in a sector of Sierras Australes, Buenos Aires Province

Autores
Pereyra, F.X.
Año de publicación
1996
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The main geomorphological features of a sector of Sierras Australes (Buenos Aires province) are described. Fluvial processes (mainly formation of alluvial fans), mass wasting (creep and debrisflows) and wind action (deflation and acumulation) are responsible for the configuration of the landscape of the region. At least three alluvial acumulation events and equal number of loess deposition were recognized for the late Cenozoic times. The development of a planation surface of pre-Cenozoic age, and developed in Palaeozoic rocks, is postulated. This surface and the piedmont acumulations were affected by erosional events related to tectonic, climatic and eustatic events (Andean Orogeny and glaciations). Six major geomorphological units are recognized. Today the pedogenetic processes predominate whereas morphodynamic ones are low.
Fil:Pereyra, F.X. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.
Fuente
Rev. Asoc. Geol. Argent. 1996;51(3):248-260
Materia
Cainozoic
geomorphological classification
landform evolution
planation surface
Argentina, Buenos Aires Province, Sierras Australes
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by/2.5/ar
Repositorio
Biblioteca Digital (UBA-FCEN)
Institución
Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
OAI Identificador
paperaa:paper_00044822_v51_n3_p248_Pereyra
Acceder
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oai_identifier_str paperaa:paper_00044822_v51_n3_p248_Pereyra
network_acronym_str BDUBAFCEN
repository_id_str 1896
network_name_str Biblioteca Digital (UBA-FCEN)
spelling Geomorphological classification and landscape evolution in a sector of Sierras Australes, Buenos Aires Province Pereyra, F.X.Cainozoicgeomorphological classificationlandform evolutionplanation surfaceArgentina, Buenos Aires Province, Sierras AustralesThe main geomorphological features of a sector of Sierras Australes (Buenos Aires province) are described. Fluvial processes (mainly formation of alluvial fans), mass wasting (creep and debrisflows) and wind action (deflation and acumulation) are responsible for the configuration of the landscape of the region. At least three alluvial acumulation events and equal number of loess deposition were recognized for the late Cenozoic times. The development of a planation surface of pre-Cenozoic age, and developed in Palaeozoic rocks, is postulated. This surface and the piedmont acumulations were affected by erosional events related to tectonic, climatic and eustatic events (Andean Orogeny and glaciations). Six major geomorphological units are recognized. Today the pedogenetic processes predominate whereas morphodynamic ones are low.Fil:Pereyra, F.X. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.1996info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://hdl.handle.net/20.500.12110/paper_00044822_v51_n3_p248_PereyraRev. Asoc. Geol. Argent. 1996;51(3):248-260reponame:Biblioteca Digital (UBA-FCEN)instname:Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturalesinstacron:UBA-FCENenginfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/2.5/ar2025-10-23T11:18:19Zpaperaa:paper_00044822_v51_n3_p248_PereyraInstitucionalhttps://digital.bl.fcen.uba.ar/Universidad públicaNo correspondehttps://digital.bl.fcen.uba.ar/cgi-bin/oaiserver.cgiana@bl.fcen.uba.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:18962025-10-23 11:18:20.275Biblioteca Digital (UBA-FCEN) - Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturalesfalse
dc.title.none.fl_str_mv Geomorphological classification and landscape evolution in a sector of Sierras Australes, Buenos Aires Province
title Geomorphological classification and landscape evolution in a sector of Sierras Australes, Buenos Aires Province
spellingShingle Geomorphological classification and landscape evolution in a sector of Sierras Australes, Buenos Aires Province
Pereyra, F.X.
Cainozoic
geomorphological classification
landform evolution
planation surface
Argentina, Buenos Aires Province, Sierras Australes
title_short Geomorphological classification and landscape evolution in a sector of Sierras Australes, Buenos Aires Province
title_full Geomorphological classification and landscape evolution in a sector of Sierras Australes, Buenos Aires Province
title_fullStr Geomorphological classification and landscape evolution in a sector of Sierras Australes, Buenos Aires Province
title_full_unstemmed Geomorphological classification and landscape evolution in a sector of Sierras Australes, Buenos Aires Province
title_sort Geomorphological classification and landscape evolution in a sector of Sierras Australes, Buenos Aires Province
dc.creator.none.fl_str_mv Pereyra, F.X.
author Pereyra, F.X.
author_facet Pereyra, F.X.
author_role author
dc.subject.none.fl_str_mv Cainozoic
geomorphological classification
landform evolution
planation surface
Argentina, Buenos Aires Province, Sierras Australes
topic Cainozoic
geomorphological classification
landform evolution
planation surface
Argentina, Buenos Aires Province, Sierras Australes
dc.description.none.fl_txt_mv The main geomorphological features of a sector of Sierras Australes (Buenos Aires province) are described. Fluvial processes (mainly formation of alluvial fans), mass wasting (creep and debrisflows) and wind action (deflation and acumulation) are responsible for the configuration of the landscape of the region. At least three alluvial acumulation events and equal number of loess deposition were recognized for the late Cenozoic times. The development of a planation surface of pre-Cenozoic age, and developed in Palaeozoic rocks, is postulated. This surface and the piedmont acumulations were affected by erosional events related to tectonic, climatic and eustatic events (Andean Orogeny and glaciations). Six major geomorphological units are recognized. Today the pedogenetic processes predominate whereas morphodynamic ones are low.
Fil:Pereyra, F.X. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina.
description The main geomorphological features of a sector of Sierras Australes (Buenos Aires province) are described. Fluvial processes (mainly formation of alluvial fans), mass wasting (creep and debrisflows) and wind action (deflation and acumulation) are responsible for the configuration of the landscape of the region. At least three alluvial acumulation events and equal number of loess deposition were recognized for the late Cenozoic times. The development of a planation surface of pre-Cenozoic age, and developed in Palaeozoic rocks, is postulated. This surface and the piedmont acumulations were affected by erosional events related to tectonic, climatic and eustatic events (Andean Orogeny and glaciations). Six major geomorphological units are recognized. Today the pedogenetic processes predominate whereas morphodynamic ones are low.
publishDate 1996
dc.date.none.fl_str_mv 1996
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/20.500.12110/paper_00044822_v51_n3_p248_Pereyra
url http://hdl.handle.net/20.500.12110/paper_00044822_v51_n3_p248_Pereyra
dc.language.none.fl_str_mv eng
language eng
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by/2.5/ar
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by/2.5/ar
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv Rev. Asoc. Geol. Argent. 1996;51(3):248-260
reponame:Biblioteca Digital (UBA-FCEN)
instname:Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
instacron:UBA-FCEN
reponame_str Biblioteca Digital (UBA-FCEN)
collection Biblioteca Digital (UBA-FCEN)
instname_str Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
instacron_str UBA-FCEN
institution UBA-FCEN
repository.name.fl_str_mv Biblioteca Digital (UBA-FCEN) - Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
repository.mail.fl_str_mv ana@bl.fcen.uba.ar
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score 12.982451

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