Discerning coastal-process signatures and architectural styles in tidal barforms from the deltaic western Paleozoic Gondwana shoreline: new insights about the Balcarce Formation, A...

Autores: Olivo, Mariana Soledad; Isla, Manuel Fermín; Moyano Paz, Damián; López, Luciano; Percudani, Lorena Belén; Zuazo, Jerónimo Juan; Gómez Peral, Lucia; Poire, Daniel Gustavo
Año de publicación: 2024
Idioma: inglés
Tipo de recurso: artículo
Estado: versión publicada
Descripción: Sedimentological contrasts between coastal to shelf tidal barforms on ancient shorelines, particularly in tidally affected deltas, are relatively poorly understood. A comprehensive analysis of facies distribution and architectural attributes, complemented by virtual outcrop models (VOMs), has unveiled two different tidal barform archetypes in a sand-rich, tide-dominated deltaic succession in the lower Paleozoic Balcarce Formation, Argentina. Barform–channel type 1 comprises single packages of channel-bar units with inclined beds dipping to the N (paleolandward) and S (paleoseaward), composed predominantly of decimeter-scale planar cross-bedded sandstones. These deposits represent laterally migrating tidal bars. Barform–channel type 2, on the other hand, are multiple-stacked packages of sigmoidal inclined strata dipping to the NE (paleolandward) and SW (paleoseaward), consisting of conglomeratic sandstones with meter-scale trough cross-bedding. These strata depict tidal sand ridges exhibiting oblique accretion dynamics. Tidal barform–channel types 1 and 2 are not interspersed laterally and vertically, but they distinguish the lower and upper intervals of the Balcarce Formation. The lower interval shows full tidal control in barform–channel type 1. W-oriented flow of peak tidal currents completely reworked river-derived sediments and built the bar–trough morphology on the subaqueous platform of a tide-dominated delta. In the upper interval, tide- and river-generated facies alternate in barform–channel type 2. In this case, the higher fluvial input prevented complete tidal reworking. Thus, mouth-bardeposits were partially reworked into tidal ridges, which were organized in sandbanks extending across a tideinfluenced delta-front setting. A detailed comparison of tidal barform–channel types 1 and 2, together with a comprehensive re-evaluation of previously published basin-scale data, suggests that the coastal sector where Balcarce tidal barforms accumulated likely formed a strait connected to the open ocean to the east-southeast of the study area.
Fil: Olivo, Mariana Soledad. 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
Fil: Isla, Manuel Fermín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; Argentina
Fil: Moyano Paz, Damián. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; Argentina
Fil: López, Luciano. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Recursos Minerales. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto de Recursos Minerales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
Fil: Percudani, Lorena Belén. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Centro de Investigación Esquel de Montaña y Estepa Patagónica. Universidad Nacional de la Patagonia "San Juan Bosco". Centro de Investigación Esquel de Montaña y Estepa Patagónica; Argentina
Fil: Zuazo, Jerónimo Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; Argentina
Fil: Gómez Peral, Lucia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; Argentina
Fil: Poire, Daniel Gustavo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; Argentina
Materia: Bar forms
Balcarse Fm
Lower Paleozoic
Tideinfluences
Nivel de accesibilidad: acceso abierto
Condiciones de uso: https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
Institución: Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador: oai:ri.conicet.gov.ar:11336/251588

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spelling	Discerning coastal-process signatures and architectural styles in tidal barforms from the deltaic western Paleozoic Gondwana shoreline: new insights about the Balcarce Formation, ArgentinaOlivo, Mariana SoledadIsla, Manuel FermínMoyano Paz, DamiánLópez, LucianoPercudani, Lorena BelénZuazo, Jerónimo JuanGómez Peral, LuciaPoire, Daniel GustavoBar formsBalcarse FmLower PaleozoicTideinfluenceshttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1Sedimentological contrasts between coastal to shelf tidal barforms on ancient shorelines, particularly in tidally affected deltas, are relatively poorly understood. A comprehensive analysis of facies distribution and architectural attributes, complemented by virtual outcrop models (VOMs), has unveiled two different tidal barform archetypes in a sand-rich, tide-dominated deltaic succession in the lower Paleozoic Balcarce Formation, Argentina. Barform–channel type 1 comprises single packages of channel-bar units with inclined beds dipping to the N (paleolandward) and S (paleoseaward), composed predominantly of decimeter-scale planar cross-bedded sandstones. These deposits represent laterally migrating tidal bars. Barform–channel type 2, on the other hand, are multiple-stacked packages of sigmoidal inclined strata dipping to the NE (paleolandward) and SW (paleoseaward), consisting of conglomeratic sandstones with meter-scale trough cross-bedding. These strata depict tidal sand ridges exhibiting oblique accretion dynamics. Tidal barform–channel types 1 and 2 are not interspersed laterally and vertically, but they distinguish the lower and upper intervals of the Balcarce Formation. The lower interval shows full tidal control in barform–channel type 1. W-oriented flow of peak tidal currents completely reworked river-derived sediments and built the bar–trough morphology on the subaqueous platform of a tide-dominated delta. In the upper interval, tide- and river-generated facies alternate in barform–channel type 2. In this case, the higher fluvial input prevented complete tidal reworking. Thus, mouth-bardeposits were partially reworked into tidal ridges, which were organized in sandbanks extending across a tideinfluenced delta-front setting. A detailed comparison of tidal barform–channel types 1 and 2, together with a comprehensive re-evaluation of previously published basin-scale data, suggests that the coastal sector where Balcarce tidal barforms accumulated likely formed a strait connected to the open ocean to the east-southeast of the study area.Fil: Olivo, Mariana Soledad. 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; ArgentinaFil: Isla, Manuel Fermín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; ArgentinaFil: Moyano Paz, Damián. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; ArgentinaFil: López, Luciano. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Recursos Minerales. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto de Recursos Minerales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; ArgentinaFil: Percudani, Lorena Belén. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Centro de Investigación Esquel de Montaña y Estepa Patagónica. Universidad Nacional de la Patagonia "San Juan Bosco". Centro de Investigación Esquel de Montaña y Estepa Patagónica; ArgentinaFil: Zuazo, Jerónimo Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; ArgentinaFil: Gómez Peral, Lucia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; ArgentinaFil: Poire, Daniel Gustavo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; ArgentinaSociety for Sedimentary Geology2024-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/251588Olivo, Mariana Soledad; Isla, Manuel Fermín; Moyano Paz, Damián; López, Luciano; Percudani, Lorena Belén; et al.; Discerning coastal-process signatures and architectural styles in tidal barforms from the deltaic western Paleozoic Gondwana shoreline: new insights about the Balcarce Formation, Argentina; Society for Sedimentary Geology; Journal of Sedimentary Research - (Print); 94; 6; 12-2024; 903-9251527-14041938-3681CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.2110/jsr.2023.084info:eu-repo/semantics/altIdentifier/url/https://pubs.geoscienceworld.org/sepm/jsedres/article/94/6/903/650655/Discerning-coastal-process-signatures-andinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-11-05T09:38:01Zoai:ri.conicet.gov.ar:11336/251588instacron: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:34982025-11-05 09:38:01.677CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv	Discerning coastal-process signatures and architectural styles in tidal barforms from the deltaic western Paleozoic Gondwana shoreline: new insights about the Balcarce Formation, Argentina
title	Discerning coastal-process signatures and architectural styles in tidal barforms from the deltaic western Paleozoic Gondwana shoreline: new insights about the Balcarce Formation, Argentina
spellingShingle	Discerning coastal-process signatures and architectural styles in tidal barforms from the deltaic western Paleozoic Gondwana shoreline: new insights about the Balcarce Formation, Argentina Olivo, Mariana Soledad Bar forms Balcarse Fm Lower Paleozoic Tideinfluences
title_short	Discerning coastal-process signatures and architectural styles in tidal barforms from the deltaic western Paleozoic Gondwana shoreline: new insights about the Balcarce Formation, Argentina
title_full	Discerning coastal-process signatures and architectural styles in tidal barforms from the deltaic western Paleozoic Gondwana shoreline: new insights about the Balcarce Formation, Argentina
title_fullStr	Discerning coastal-process signatures and architectural styles in tidal barforms from the deltaic western Paleozoic Gondwana shoreline: new insights about the Balcarce Formation, Argentina
title_full_unstemmed	Discerning coastal-process signatures and architectural styles in tidal barforms from the deltaic western Paleozoic Gondwana shoreline: new insights about the Balcarce Formation, Argentina
title_sort	Discerning coastal-process signatures and architectural styles in tidal barforms from the deltaic western Paleozoic Gondwana shoreline: new insights about the Balcarce Formation, Argentina
dc.creator.none.fl_str_mv	Olivo, Mariana Soledad Isla, Manuel Fermín Moyano Paz, Damián López, Luciano Percudani, Lorena Belén Zuazo, Jerónimo Juan Gómez Peral, Lucia Poire, Daniel Gustavo
author	Olivo, Mariana Soledad
author_facet	Olivo, Mariana Soledad Isla, Manuel Fermín Moyano Paz, Damián López, Luciano Percudani, Lorena Belén Zuazo, Jerónimo Juan Gómez Peral, Lucia Poire, Daniel Gustavo
author_role	author
author2	Isla, Manuel Fermín Moyano Paz, Damián López, Luciano Percudani, Lorena Belén Zuazo, Jerónimo Juan Gómez Peral, Lucia Poire, Daniel Gustavo
author2_role	author author author author author author author
dc.subject.none.fl_str_mv	Bar forms Balcarse Fm Lower Paleozoic Tideinfluences
topic	Bar forms Balcarse Fm Lower Paleozoic Tideinfluences
purl_subject.fl_str_mv	https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv	Sedimentological contrasts between coastal to shelf tidal barforms on ancient shorelines, particularly in tidally affected deltas, are relatively poorly understood. A comprehensive analysis of facies distribution and architectural attributes, complemented by virtual outcrop models (VOMs), has unveiled two different tidal barform archetypes in a sand-rich, tide-dominated deltaic succession in the lower Paleozoic Balcarce Formation, Argentina. Barform–channel type 1 comprises single packages of channel-bar units with inclined beds dipping to the N (paleolandward) and S (paleoseaward), composed predominantly of decimeter-scale planar cross-bedded sandstones. These deposits represent laterally migrating tidal bars. Barform–channel type 2, on the other hand, are multiple-stacked packages of sigmoidal inclined strata dipping to the NE (paleolandward) and SW (paleoseaward), consisting of conglomeratic sandstones with meter-scale trough cross-bedding. These strata depict tidal sand ridges exhibiting oblique accretion dynamics. Tidal barform–channel types 1 and 2 are not interspersed laterally and vertically, but they distinguish the lower and upper intervals of the Balcarce Formation. The lower interval shows full tidal control in barform–channel type 1. W-oriented flow of peak tidal currents completely reworked river-derived sediments and built the bar–trough morphology on the subaqueous platform of a tide-dominated delta. In the upper interval, tide- and river-generated facies alternate in barform–channel type 2. In this case, the higher fluvial input prevented complete tidal reworking. Thus, mouth-bardeposits were partially reworked into tidal ridges, which were organized in sandbanks extending across a tideinfluenced delta-front setting. A detailed comparison of tidal barform–channel types 1 and 2, together with a comprehensive re-evaluation of previously published basin-scale data, suggests that the coastal sector where Balcarce tidal barforms accumulated likely formed a strait connected to the open ocean to the east-southeast of the study area. Fil: Olivo, Mariana Soledad. 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 Fil: Isla, Manuel Fermín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; Argentina Fil: Moyano Paz, Damián. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; Argentina Fil: López, Luciano. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Recursos Minerales. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto de Recursos Minerales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina Fil: Percudani, Lorena Belén. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Centro de Investigación Esquel de Montaña y Estepa Patagónica. Universidad Nacional de la Patagonia "San Juan Bosco". Centro de Investigación Esquel de Montaña y Estepa Patagónica; Argentina Fil: Zuazo, Jerónimo Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; Argentina Fil: Gómez Peral, Lucia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; Argentina Fil: Poire, Daniel Gustavo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Investigaciones Geológicas. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Centro de Investigaciones Geológicas; Argentina
description	Sedimentological contrasts between coastal to shelf tidal barforms on ancient shorelines, particularly in tidally affected deltas, are relatively poorly understood. A comprehensive analysis of facies distribution and architectural attributes, complemented by virtual outcrop models (VOMs), has unveiled two different tidal barform archetypes in a sand-rich, tide-dominated deltaic succession in the lower Paleozoic Balcarce Formation, Argentina. Barform–channel type 1 comprises single packages of channel-bar units with inclined beds dipping to the N (paleolandward) and S (paleoseaward), composed predominantly of decimeter-scale planar cross-bedded sandstones. These deposits represent laterally migrating tidal bars. Barform–channel type 2, on the other hand, are multiple-stacked packages of sigmoidal inclined strata dipping to the NE (paleolandward) and SW (paleoseaward), consisting of conglomeratic sandstones with meter-scale trough cross-bedding. These strata depict tidal sand ridges exhibiting oblique accretion dynamics. Tidal barform–channel types 1 and 2 are not interspersed laterally and vertically, but they distinguish the lower and upper intervals of the Balcarce Formation. The lower interval shows full tidal control in barform–channel type 1. W-oriented flow of peak tidal currents completely reworked river-derived sediments and built the bar–trough morphology on the subaqueous platform of a tide-dominated delta. In the upper interval, tide- and river-generated facies alternate in barform–channel type 2. In this case, the higher fluvial input prevented complete tidal reworking. Thus, mouth-bardeposits were partially reworked into tidal ridges, which were organized in sandbanks extending across a tideinfluenced delta-front setting. A detailed comparison of tidal barform–channel types 1 and 2, together with a comprehensive re-evaluation of previously published basin-scale data, suggests that the coastal sector where Balcarce tidal barforms accumulated likely formed a strait connected to the open ocean to the east-southeast of the study area.
publishDate	2024
dc.date.none.fl_str_mv	2024-12
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/11336/251588 Olivo, Mariana Soledad; Isla, Manuel Fermín; Moyano Paz, Damián; López, Luciano; Percudani, Lorena Belén; et al.; Discerning coastal-process signatures and architectural styles in tidal barforms from the deltaic western Paleozoic Gondwana shoreline: new insights about the Balcarce Formation, Argentina; Society for Sedimentary Geology; Journal of Sedimentary Research - (Print); 94; 6; 12-2024; 903-925 1527-1404 1938-3681 CONICET Digital CONICET
url	http://hdl.handle.net/11336/251588
identifier_str_mv	Olivo, Mariana Soledad; Isla, Manuel Fermín; Moyano Paz, Damián; López, Luciano; Percudani, Lorena Belén; et al.; Discerning coastal-process signatures and architectural styles in tidal barforms from the deltaic western Paleozoic Gondwana shoreline: new insights about the Balcarce Formation, Argentina; Society for Sedimentary Geology; Journal of Sedimentary Research - (Print); 94; 6; 12-2024; 903-925 1527-1404 1938-3681 CONICET Digital CONICET
dc.language.none.fl_str_mv	eng
language	eng
dc.relation.none.fl_str_mv	info:eu-repo/semantics/altIdentifier/doi/10.2110/jsr.2023.084 info:eu-repo/semantics/altIdentifier/url/https://pubs.geoscienceworld.org/sepm/jsedres/article/94/6/903/650655/Discerning-coastal-process-signatures-and
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/
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dc.publisher.none.fl_str_mv	Society for Sedimentary Geology
publisher.none.fl_str_mv	Society for Sedimentary Geology
dc.source.none.fl_str_mv	reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str	CONICET Digital (CONICET)
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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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Discerning coastal-process signatures and architectural styles in tidal barforms from the deltaic western Paleozoic Gondwana shoreline: new insights about the Balcarce Formation, A...

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