New paleofloristic elements and stratigraphic considerations for the Nestares Formation (Lower Jurassic, Argentina)
In this contribution we describe new elements of the paleoflora of Nestares Formation in its type section, exposed along both banks of the Limay River, close to the Alicurá dam (southern margin of Neuquen Basin). Samples were collected from fossiliferous level AL 18 corresponding to black shales and...
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ftconicet:oai:ri.conicet.gov.ar:11336/130052 2023-10-09T21:47:13+02:00 New paleofloristic elements and stratigraphic considerations for the Nestares Formation (Lower Jurassic, Argentina) Sagasti, Ana Julia Morel, Eduardo Manuel Ganuza, Daniel Gustavo Knight, Patricio Alan application/pdf http://hdl.handle.net/11336/130052 eng eng Pergamon-Elsevier Science Ltd info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jsames.2019.102245 info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0895981119301749 http://hdl.handle.net/11336/130052 Sagasti, Ana Julia; Morel, Eduardo Manuel; Ganuza, Daniel Gustavo; Knight, Patricio Alan; New paleofloristic elements and stratigraphic considerations for the Nestares Formation (Lower Jurassic, Argentina); Pergamon-Elsevier Science Ltd; Journal of South American Earth Sciences; 94; 102245; 10-2019; 1-15 0895-9811 CONICET Digital CONICET info:eu-repo/semantics/restrictedAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ ARGENTINA LOWER JURASSIC NESTARES FORMATION PALEOBOTANY STRATIGRAPHY https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion ftconicet https://doi.org/10.1016/j.jsames.2019.102245 2023-09-24T18:52:19Z In this contribution we describe new elements of the paleoflora of Nestares Formation in its type section, exposed along both banks of the Limay River, close to the Alicurá dam (southern margin of Neuquen Basin). Samples were collected from fossiliferous level AL 18 corresponding to black shales and mudstones, interpreted as overflow events from main fluvial channels, as well as avulsion events that cut the flood plain. Neocalamites suberosus Bomfleur, Escapa, Serbet, Taylor and Taylor, Equisetites patagonica Herbst, Todites cacereii Escapa and Cúneo, Osmundopsis rafaelli Escapa and Cúneo, Cladophlebis antarctica Halle, Goeppertella macroloba Herbst, Goeppertella neuqueniana Herbst, Goeppertella stipanicicii Herbst, Dictyophyllum sp., Dicroidium odontopteroides Gothan, Scleropteris grandis Artabe, Morel and Zamuner, and Cycadolepis lanceolata Menéndez are described for the first time for this unit. The presence of elements characteristic of Triassic floras, such as Dicroidium odontopteroides and Goeppertella stipanicicii illustrate the early Mesozoic affinity of the Nestares paleoflora. Stratigraphic relationships of Nestares Formation are analysed considering sedimentological and environmental features as well as paleobotanical content, and support a Sinemurian age for this unit. Fil: Sagasti, Ana Julia. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Área Paleobotánica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina Fil: Morel, Eduardo Manuel. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Área Paleobotánica; Argentina. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas; Argentina Fil: Ganuza, Daniel Gustavo. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Área Paleobotánica; Argentina Fil: Knight, Patricio Alan. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Área Paleobotánica; Argentina Article in Journal/Newspaper Antarc* Antarctica CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas) Argentina Gustavo ENVELOPE(-62.917,-62.917,-64.833,-64.833) Journal of South American Earth Sciences 94 102245 |
institution |
Open Polar |
collection |
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas) |
op_collection_id |
ftconicet |
language |
English |
topic |
ARGENTINA LOWER JURASSIC NESTARES FORMATION PALEOBOTANY STRATIGRAPHY https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1 |
spellingShingle |
ARGENTINA LOWER JURASSIC NESTARES FORMATION PALEOBOTANY STRATIGRAPHY https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1 Sagasti, Ana Julia Morel, Eduardo Manuel Ganuza, Daniel Gustavo Knight, Patricio Alan New paleofloristic elements and stratigraphic considerations for the Nestares Formation (Lower Jurassic, Argentina) |
topic_facet |
ARGENTINA LOWER JURASSIC NESTARES FORMATION PALEOBOTANY STRATIGRAPHY https://purl.org/becyt/ford/1.5 https://purl.org/becyt/ford/1 |
description |
In this contribution we describe new elements of the paleoflora of Nestares Formation in its type section, exposed along both banks of the Limay River, close to the Alicurá dam (southern margin of Neuquen Basin). Samples were collected from fossiliferous level AL 18 corresponding to black shales and mudstones, interpreted as overflow events from main fluvial channels, as well as avulsion events that cut the flood plain. Neocalamites suberosus Bomfleur, Escapa, Serbet, Taylor and Taylor, Equisetites patagonica Herbst, Todites cacereii Escapa and Cúneo, Osmundopsis rafaelli Escapa and Cúneo, Cladophlebis antarctica Halle, Goeppertella macroloba Herbst, Goeppertella neuqueniana Herbst, Goeppertella stipanicicii Herbst, Dictyophyllum sp., Dicroidium odontopteroides Gothan, Scleropteris grandis Artabe, Morel and Zamuner, and Cycadolepis lanceolata Menéndez are described for the first time for this unit. The presence of elements characteristic of Triassic floras, such as Dicroidium odontopteroides and Goeppertella stipanicicii illustrate the early Mesozoic affinity of the Nestares paleoflora. Stratigraphic relationships of Nestares Formation are analysed considering sedimentological and environmental features as well as paleobotanical content, and support a Sinemurian age for this unit. Fil: Sagasti, Ana Julia. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Área Paleobotánica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina Fil: Morel, Eduardo Manuel. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Área Paleobotánica; Argentina. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas; Argentina Fil: Ganuza, Daniel Gustavo. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Área Paleobotánica; Argentina Fil: Knight, Patricio Alan. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Área Paleobotánica; Argentina |
format |
Article in Journal/Newspaper |
author |
Sagasti, Ana Julia Morel, Eduardo Manuel Ganuza, Daniel Gustavo Knight, Patricio Alan |
author_facet |
Sagasti, Ana Julia Morel, Eduardo Manuel Ganuza, Daniel Gustavo Knight, Patricio Alan |
author_sort |
Sagasti, Ana Julia |
title |
New paleofloristic elements and stratigraphic considerations for the Nestares Formation (Lower Jurassic, Argentina) |
title_short |
New paleofloristic elements and stratigraphic considerations for the Nestares Formation (Lower Jurassic, Argentina) |
title_full |
New paleofloristic elements and stratigraphic considerations for the Nestares Formation (Lower Jurassic, Argentina) |
title_fullStr |
New paleofloristic elements and stratigraphic considerations for the Nestares Formation (Lower Jurassic, Argentina) |
title_full_unstemmed |
New paleofloristic elements and stratigraphic considerations for the Nestares Formation (Lower Jurassic, Argentina) |
title_sort |
new paleofloristic elements and stratigraphic considerations for the nestares formation (lower jurassic, argentina) |
publisher |
Pergamon-Elsevier Science Ltd |
url |
http://hdl.handle.net/11336/130052 |
long_lat |
ENVELOPE(-62.917,-62.917,-64.833,-64.833) |
geographic |
Argentina Gustavo |
geographic_facet |
Argentina Gustavo |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jsames.2019.102245 info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0895981119301749 http://hdl.handle.net/11336/130052 Sagasti, Ana Julia; Morel, Eduardo Manuel; Ganuza, Daniel Gustavo; Knight, Patricio Alan; New paleofloristic elements and stratigraphic considerations for the Nestares Formation (Lower Jurassic, Argentina); Pergamon-Elsevier Science Ltd; Journal of South American Earth Sciences; 94; 102245; 10-2019; 1-15 0895-9811 CONICET Digital CONICET |
op_rights |
info:eu-repo/semantics/restrictedAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
op_doi |
https://doi.org/10.1016/j.jsames.2019.102245 |
container_title |
Journal of South American Earth Sciences |
container_volume |
94 |
container_start_page |
102245 |
_version_ |
1779310165795799040 |