High-precision U-Pb calibration of Carboniferous glaciation and climate history, Paganzo Group, NW Argentina

Autores
Gulbranson, Erik L.; Montañez, Isabel P.; Schmitz, M. D.; Limarino, Carlos Oscar; Isbell, J. L.; Marenssi, Sergio Alfredo; Crowley, J. L.
Año de publicación
2010
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The duration and geographic extent of Carboniferous glacial events in southern Gondwana remain poorly constrained despite recent evidence for a more dynamic glacial history than previously considered. We report 10 high-precision (2σ ± <0.1%) U-Pb ages for the Permian-Carboniferous Paganzo Group, NW Argentina, that redefine the chronostratigraphy of the late Paleozoic Paganzo and Río Blanco Basins, and significantly refine the timing of glacial events and climate shifts in the western region of southern Gondwana. Radiometric calibration of the Paganzo Group indicates three pulses of Carboniferous glaciation in the mid-Visean, the late Serpukhovian to earliest Bashkirian, and between the latest Bashkirian to early Moscovian. An abrupt shift in depositional style from high-sinuosity single-storied fluvial deposits and clay-rich paleosols to low-sinuosity multistoried feldspathic fluvial deposits intercalated with eolianites and calcic paleosols is constrained to the latest Moscovian and earliest Kasimovian. These constraints indicate a relatively abrupt climate shift from humid-subhumid to nonseasonal semiarid regional climate conditions that occurred significantly earlier than previously inferred (Early Permian). This period of high-latitude aridity was contemporaneous with a shift to dryland depositional environments and a major vegetation regime shift documented throughout the Pangean paleotropics in the Pennsylvanian.
Fil: Gulbranson, Erik L.. University of California; Estados Unidos
Fil: Montañez, Isabel P.. University of California; Estados Unidos
Fil: Schmitz, M. D.. Boise State University; Estados Unidos
Fil: Limarino, Carlos Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Geología; Argentina
Fil: Isbell, J. L.. University of Wisconsin; Estados Unidos
Fil: Marenssi, Sergio Alfredo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires; Argentina. Ministerio de Relaciones Exteriores, Comercio Interno y Culto. Dirección Nacional del Antártico. Instituto Antártico Argentino; Argentina
Fil: Crowley, J. L.. Boise State University; Estados Unidos
Materia
Geochronology
Late Paleozoic
Western Gondwana
Argentina
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:11336/68789
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/68789
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling High-precision U-Pb calibration of Carboniferous glaciation and climate history, Paganzo Group, NW ArgentinaGulbranson, Erik L.Montañez, Isabel P.Schmitz, M. D.Limarino, Carlos OscarIsbell, J. L.Marenssi, Sergio AlfredoCrowley, J. L.GeochronologyLate PaleozoicWestern GondwanaArgentinahttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1The duration and geographic extent of Carboniferous glacial events in southern Gondwana remain poorly constrained despite recent evidence for a more dynamic glacial history than previously considered. We report 10 high-precision (2σ ± <0.1%) U-Pb ages for the Permian-Carboniferous Paganzo Group, NW Argentina, that redefine the chronostratigraphy of the late Paleozoic Paganzo and Río Blanco Basins, and significantly refine the timing of glacial events and climate shifts in the western region of southern Gondwana. Radiometric calibration of the Paganzo Group indicates three pulses of Carboniferous glaciation in the mid-Visean, the late Serpukhovian to earliest Bashkirian, and between the latest Bashkirian to early Moscovian. An abrupt shift in depositional style from high-sinuosity single-storied fluvial deposits and clay-rich paleosols to low-sinuosity multistoried feldspathic fluvial deposits intercalated with eolianites and calcic paleosols is constrained to the latest Moscovian and earliest Kasimovian. These constraints indicate a relatively abrupt climate shift from humid-subhumid to nonseasonal semiarid regional climate conditions that occurred significantly earlier than previously inferred (Early Permian). This period of high-latitude aridity was contemporaneous with a shift to dryland depositional environments and a major vegetation regime shift documented throughout the Pangean paleotropics in the Pennsylvanian.Fil: Gulbranson, Erik L.. University of California; Estados UnidosFil: Montañez, Isabel P.. University of California; Estados UnidosFil: Schmitz, M. D.. Boise State University; Estados UnidosFil: Limarino, Carlos Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Geología; ArgentinaFil: Isbell, J. L.. University of Wisconsin; Estados UnidosFil: Marenssi, Sergio Alfredo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires; Argentina. Ministerio de Relaciones Exteriores, Comercio Interno y Culto. Dirección Nacional del Antártico. Instituto Antártico Argentino; ArgentinaFil: Crowley, J. L.. Boise State University; Estados UnidosGeological Society of America2010-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/68789Gulbranson, Erik L.; Montañez, Isabel P.; Schmitz, M. D.; Limarino, Carlos Oscar; Isbell, J. L.; et al.; High-precision U-Pb calibration of Carboniferous glaciation and climate history, Paganzo Group, NW Argentina; Geological Society of America; Geological Society of America Bulletin; 122; 9-10; 9-2010; 1480-14980016-76061943-2674CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1130/B30025.1info:eu-repo/semantics/altIdentifier/url/https://pubs.geoscienceworld.org/gsabulletin/article-lookup/122/9-10/1480info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-10T13:10:44Zoai:ri.conicet.gov.ar:11336/68789instacron: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:34982025-09-10 13:10:45.114CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv High-precision U-Pb calibration of Carboniferous glaciation and climate history, Paganzo Group, NW Argentina
title High-precision U-Pb calibration of Carboniferous glaciation and climate history, Paganzo Group, NW Argentina
spellingShingle High-precision U-Pb calibration of Carboniferous glaciation and climate history, Paganzo Group, NW Argentina
Gulbranson, Erik L.
Geochronology
Late Paleozoic
Western Gondwana
Argentina
title_short High-precision U-Pb calibration of Carboniferous glaciation and climate history, Paganzo Group, NW Argentina
title_full High-precision U-Pb calibration of Carboniferous glaciation and climate history, Paganzo Group, NW Argentina
title_fullStr High-precision U-Pb calibration of Carboniferous glaciation and climate history, Paganzo Group, NW Argentina
title_full_unstemmed High-precision U-Pb calibration of Carboniferous glaciation and climate history, Paganzo Group, NW Argentina
title_sort High-precision U-Pb calibration of Carboniferous glaciation and climate history, Paganzo Group, NW Argentina
dc.creator.none.fl_str_mv Gulbranson, Erik L.
Montañez, Isabel P.
Schmitz, M. D.
Limarino, Carlos Oscar
Isbell, J. L.
Marenssi, Sergio Alfredo
Crowley, J. L.
author Gulbranson, Erik L.
author_facet Gulbranson, Erik L.
Montañez, Isabel P.
Schmitz, M. D.
Limarino, Carlos Oscar
Isbell, J. L.
Marenssi, Sergio Alfredo
Crowley, J. L.
author_role author
author2 Montañez, Isabel P.
Schmitz, M. D.
Limarino, Carlos Oscar
Isbell, J. L.
Marenssi, Sergio Alfredo
Crowley, J. L.
author2_role author
author
author
author
author
author
dc.subject.none.fl_str_mv Geochronology
Late Paleozoic
Western Gondwana
Argentina
topic Geochronology
Late Paleozoic
Western Gondwana
Argentina
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 duration and geographic extent of Carboniferous glacial events in southern Gondwana remain poorly constrained despite recent evidence for a more dynamic glacial history than previously considered. We report 10 high-precision (2σ ± <0.1%) U-Pb ages for the Permian-Carboniferous Paganzo Group, NW Argentina, that redefine the chronostratigraphy of the late Paleozoic Paganzo and Río Blanco Basins, and significantly refine the timing of glacial events and climate shifts in the western region of southern Gondwana. Radiometric calibration of the Paganzo Group indicates three pulses of Carboniferous glaciation in the mid-Visean, the late Serpukhovian to earliest Bashkirian, and between the latest Bashkirian to early Moscovian. An abrupt shift in depositional style from high-sinuosity single-storied fluvial deposits and clay-rich paleosols to low-sinuosity multistoried feldspathic fluvial deposits intercalated with eolianites and calcic paleosols is constrained to the latest Moscovian and earliest Kasimovian. These constraints indicate a relatively abrupt climate shift from humid-subhumid to nonseasonal semiarid regional climate conditions that occurred significantly earlier than previously inferred (Early Permian). This period of high-latitude aridity was contemporaneous with a shift to dryland depositional environments and a major vegetation regime shift documented throughout the Pangean paleotropics in the Pennsylvanian.
Fil: Gulbranson, Erik L.. University of California; Estados Unidos
Fil: Montañez, Isabel P.. University of California; Estados Unidos
Fil: Schmitz, M. D.. Boise State University; Estados Unidos
Fil: Limarino, Carlos Oscar. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Geología; Argentina
Fil: Isbell, J. L.. University of Wisconsin; Estados Unidos
Fil: Marenssi, Sergio Alfredo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Geociencias Básicas, Aplicadas y Ambientales de Buenos Aires; Argentina. Ministerio de Relaciones Exteriores, Comercio Interno y Culto. Dirección Nacional del Antártico. Instituto Antártico Argentino; Argentina
Fil: Crowley, J. L.. Boise State University; Estados Unidos
description The duration and geographic extent of Carboniferous glacial events in southern Gondwana remain poorly constrained despite recent evidence for a more dynamic glacial history than previously considered. We report 10 high-precision (2σ ± <0.1%) U-Pb ages for the Permian-Carboniferous Paganzo Group, NW Argentina, that redefine the chronostratigraphy of the late Paleozoic Paganzo and Río Blanco Basins, and significantly refine the timing of glacial events and climate shifts in the western region of southern Gondwana. Radiometric calibration of the Paganzo Group indicates three pulses of Carboniferous glaciation in the mid-Visean, the late Serpukhovian to earliest Bashkirian, and between the latest Bashkirian to early Moscovian. An abrupt shift in depositional style from high-sinuosity single-storied fluvial deposits and clay-rich paleosols to low-sinuosity multistoried feldspathic fluvial deposits intercalated with eolianites and calcic paleosols is constrained to the latest Moscovian and earliest Kasimovian. These constraints indicate a relatively abrupt climate shift from humid-subhumid to nonseasonal semiarid regional climate conditions that occurred significantly earlier than previously inferred (Early Permian). This period of high-latitude aridity was contemporaneous with a shift to dryland depositional environments and a major vegetation regime shift documented throughout the Pangean paleotropics in the Pennsylvanian.
publishDate 2010
dc.date.none.fl_str_mv 2010-09
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/11336/68789
Gulbranson, Erik L.; Montañez, Isabel P.; Schmitz, M. D.; Limarino, Carlos Oscar; Isbell, J. L.; et al.; High-precision U-Pb calibration of Carboniferous glaciation and climate history, Paganzo Group, NW Argentina; Geological Society of America; Geological Society of America Bulletin; 122; 9-10; 9-2010; 1480-1498
0016-7606
1943-2674
CONICET Digital
CONICET
url http://hdl.handle.net/11336/68789
identifier_str_mv Gulbranson, Erik L.; Montañez, Isabel P.; Schmitz, M. D.; Limarino, Carlos Oscar; Isbell, J. L.; et al.; High-precision U-Pb calibration of Carboniferous glaciation and climate history, Paganzo Group, NW Argentina; Geological Society of America; Geological Society of America Bulletin; 122; 9-10; 9-2010; 1480-1498
0016-7606
1943-2674
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1130/B30025.1
info:eu-repo/semantics/altIdentifier/url/https://pubs.geoscienceworld.org/gsabulletin/article-lookup/122/9-10/1480
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
dc.publisher.none.fl_str_mv Geological Society of America
publisher.none.fl_str_mv Geological Society of America
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 12.993085

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