Palinología de angiospermas de la Formación Monte Chico (Cretácico superior) de la provincia de Santa Cruz, Argentina
- Autores
- Povilauskas, Leticia Karina
- Año de publicación
- 2013
- Idioma
- español castellano
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Diverse palynological assemblages composed by both continental and marine palynomorphs were recovered from the Monte Chico Formation, Upper Cretaceous, Santa Cruz Province. In this contribution palynological assemblages were studied, and the samples were taken from the entire section of this unit. Fifty fi ve species of angiosperm pollen grains were determined. They belong to the genera: Arecipites, Beaupreaidites, Clavamonocolpites, Clavatricolpites, Ericipites, Forcipites, Haloragacidites, Ilexpollenites, Liliacidites, Longapertites, Nothofagidites, Peninsulapollis, Periporopollenites, Proteacidites, Pseudowinterapollis, Psilatricolpites, Psilatricolporites, Quadraplanus, Rhoipites, Rousea, Senipites, Sparganiaceapollenites, Spinizonocolpites, Triatriopollenites, Tricolpites, Tricolporites and Triporopollenites. On the basis of the stratigraphic distribution of the identifi ed species, mainly in Argentina and Antarctica, and together with the preliminary analysis of spores, a Maastrichtian-Late Maastrichtian age is here suggested. The palynological assemblages obtained would typically indicate a near shore marine environment of deposition, with marginal conditions towards to the upper section.
Diversas associações palinológicas foram recuperadas dos sedimentos da Formação Monte Chico, Cretáceo Superior, Província de Santa Cruz, sendo constituidas por palinomorfos marinhos e continentais. As amostras são provenientes da parte superior desta unidade. Nesta contribuição são apresentadas 55 espécies de grãos de pólen identifi cadas como pertencentes aos seguintes gêneros de angiospermas: Arecipites, Beaupreaidites, Clavamonocolpites, Clavatricolpites, Ericipites, Forcipites, Haloragacidites, Ilexpollenites, Liliacidites, Longapertites, Nothofagidites, Peninsulapollis, Periporopollenites, Proteacidites, Pseudowinterapollis, Psilatricolpites, Psilatricolporites, Quadraplanus, Rhoipites, Rousea, Senipites, Sparganiaceapollenites, Spinizonocolpites, Triatriopollenites, Tricolpites, Tricolporites e Triporopollenites. Com base na distribuição estratigráfi ca das espécies identifi cadas, principalmente na Argentina e na Antártida e, em conjunto com a análise preliminar dos esporos, sugere-se a idade Maastrichtiano-Neomaastrichtiano. A assembleia palinológica indica um ambiente deposicional tipicamente litorâneo, com continentalização progressiva para a parte superior da seção.
Facultad de Ciencias Naturales y Museo
Consejo Nacional de Investigaciones Científicas y Técnicas - Materia
-
Ciencias Naturales
Angiosperms
Monte Chico Formation
Cretaceous
Argentina - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by-nc-sa/4.0/
- Repositorio
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/120954
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Palinología de angiospermas de la Formación Monte Chico (Cretácico superior) de la provincia de Santa Cruz, ArgentinaAngiosperms palynology from Monte Chico Formation (Upper Cretaceous) of Santa Cruz province, ArgentinaPovilauskas, Leticia KarinaCiencias NaturalesAngiospermsMonte Chico FormationCretaceousArgentinaDiverse palynological assemblages composed by both continental and marine palynomorphs were recovered from the Monte Chico Formation, Upper Cretaceous, Santa Cruz Province. In this contribution palynological assemblages were studied, and the samples were taken from the entire section of this unit. Fifty fi ve species of angiosperm pollen grains were determined. They belong to the genera: Arecipites, Beaupreaidites, Clavamonocolpites, Clavatricolpites, Ericipites, Forcipites, Haloragacidites, Ilexpollenites, Liliacidites, Longapertites, Nothofagidites, Peninsulapollis, Periporopollenites, Proteacidites, Pseudowinterapollis, Psilatricolpites, Psilatricolporites, Quadraplanus, Rhoipites, Rousea, Senipites, Sparganiaceapollenites, Spinizonocolpites, Triatriopollenites, Tricolpites, Tricolporites and Triporopollenites. On the basis of the stratigraphic distribution of the identifi ed species, mainly in Argentina and Antarctica, and together with the preliminary analysis of spores, a Maastrichtian-Late Maastrichtian age is here suggested. The palynological assemblages obtained would typically indicate a near shore marine environment of deposition, with marginal conditions towards to the upper section.Diversas associações palinológicas foram recuperadas dos sedimentos da Formação Monte Chico, Cretáceo Superior, Província de Santa Cruz, sendo constituidas por palinomorfos marinhos e continentais. As amostras são provenientes da parte superior desta unidade. Nesta contribuição são apresentadas 55 espécies de grãos de pólen identifi cadas como pertencentes aos seguintes gêneros de angiospermas: Arecipites, Beaupreaidites, Clavamonocolpites, Clavatricolpites, Ericipites, Forcipites, Haloragacidites, Ilexpollenites, Liliacidites, Longapertites, Nothofagidites, Peninsulapollis, Periporopollenites, Proteacidites, Pseudowinterapollis, Psilatricolpites, Psilatricolporites, Quadraplanus, Rhoipites, Rousea, Senipites, Sparganiaceapollenites, Spinizonocolpites, Triatriopollenites, Tricolpites, Tricolporites e Triporopollenites. Com base na distribuição estratigráfi ca das espécies identifi cadas, principalmente na Argentina e na Antártida e, em conjunto com a análise preliminar dos esporos, sugere-se a idade Maastrichtiano-Neomaastrichtiano. A assembleia palinológica indica um ambiente deposicional tipicamente litorâneo, com continentalização progressiva para a parte superior da seção.Facultad de Ciencias Naturales y MuseoConsejo Nacional de Investigaciones Científicas y Técnicas2013-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf115-126http://sedici.unlp.edu.ar/handle/10915/120954spainfo:eu-repo/semantics/altIdentifier/issn/1519-7530info:eu-repo/semantics/altIdentifier/doi/10.4072/rbp.2013.1.09info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T11:28:40Zoai:sedici.unlp.edu.ar:10915/120954Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:28:40.516SEDICI (UNLP) - Universidad Nacional de La Platafalse |
dc.title.none.fl_str_mv |
Palinología de angiospermas de la Formación Monte Chico (Cretácico superior) de la provincia de Santa Cruz, Argentina Angiosperms palynology from Monte Chico Formation (Upper Cretaceous) of Santa Cruz province, Argentina |
title |
Palinología de angiospermas de la Formación Monte Chico (Cretácico superior) de la provincia de Santa Cruz, Argentina |
spellingShingle |
Palinología de angiospermas de la Formación Monte Chico (Cretácico superior) de la provincia de Santa Cruz, Argentina Povilauskas, Leticia Karina Ciencias Naturales Angiosperms Monte Chico Formation Cretaceous Argentina |
title_short |
Palinología de angiospermas de la Formación Monte Chico (Cretácico superior) de la provincia de Santa Cruz, Argentina |
title_full |
Palinología de angiospermas de la Formación Monte Chico (Cretácico superior) de la provincia de Santa Cruz, Argentina |
title_fullStr |
Palinología de angiospermas de la Formación Monte Chico (Cretácico superior) de la provincia de Santa Cruz, Argentina |
title_full_unstemmed |
Palinología de angiospermas de la Formación Monte Chico (Cretácico superior) de la provincia de Santa Cruz, Argentina |
title_sort |
Palinología de angiospermas de la Formación Monte Chico (Cretácico superior) de la provincia de Santa Cruz, Argentina |
dc.creator.none.fl_str_mv |
Povilauskas, Leticia Karina |
author |
Povilauskas, Leticia Karina |
author_facet |
Povilauskas, Leticia Karina |
author_role |
author |
dc.subject.none.fl_str_mv |
Ciencias Naturales Angiosperms Monte Chico Formation Cretaceous Argentina |
topic |
Ciencias Naturales Angiosperms Monte Chico Formation Cretaceous Argentina |
dc.description.none.fl_txt_mv |
Diverse palynological assemblages composed by both continental and marine palynomorphs were recovered from the Monte Chico Formation, Upper Cretaceous, Santa Cruz Province. In this contribution palynological assemblages were studied, and the samples were taken from the entire section of this unit. Fifty fi ve species of angiosperm pollen grains were determined. They belong to the genera: Arecipites, Beaupreaidites, Clavamonocolpites, Clavatricolpites, Ericipites, Forcipites, Haloragacidites, Ilexpollenites, Liliacidites, Longapertites, Nothofagidites, Peninsulapollis, Periporopollenites, Proteacidites, Pseudowinterapollis, Psilatricolpites, Psilatricolporites, Quadraplanus, Rhoipites, Rousea, Senipites, Sparganiaceapollenites, Spinizonocolpites, Triatriopollenites, Tricolpites, Tricolporites and Triporopollenites. On the basis of the stratigraphic distribution of the identifi ed species, mainly in Argentina and Antarctica, and together with the preliminary analysis of spores, a Maastrichtian-Late Maastrichtian age is here suggested. The palynological assemblages obtained would typically indicate a near shore marine environment of deposition, with marginal conditions towards to the upper section. Diversas associações palinológicas foram recuperadas dos sedimentos da Formação Monte Chico, Cretáceo Superior, Província de Santa Cruz, sendo constituidas por palinomorfos marinhos e continentais. As amostras são provenientes da parte superior desta unidade. Nesta contribuição são apresentadas 55 espécies de grãos de pólen identifi cadas como pertencentes aos seguintes gêneros de angiospermas: Arecipites, Beaupreaidites, Clavamonocolpites, Clavatricolpites, Ericipites, Forcipites, Haloragacidites, Ilexpollenites, Liliacidites, Longapertites, Nothofagidites, Peninsulapollis, Periporopollenites, Proteacidites, Pseudowinterapollis, Psilatricolpites, Psilatricolporites, Quadraplanus, Rhoipites, Rousea, Senipites, Sparganiaceapollenites, Spinizonocolpites, Triatriopollenites, Tricolpites, Tricolporites e Triporopollenites. Com base na distribuição estratigráfi ca das espécies identifi cadas, principalmente na Argentina e na Antártida e, em conjunto com a análise preliminar dos esporos, sugere-se a idade Maastrichtiano-Neomaastrichtiano. A assembleia palinológica indica um ambiente deposicional tipicamente litorâneo, com continentalização progressiva para a parte superior da seção. Facultad de Ciencias Naturales y Museo Consejo Nacional de Investigaciones Científicas y Técnicas |
description |
Diverse palynological assemblages composed by both continental and marine palynomorphs were recovered from the Monte Chico Formation, Upper Cretaceous, Santa Cruz Province. In this contribution palynological assemblages were studied, and the samples were taken from the entire section of this unit. Fifty fi ve species of angiosperm pollen grains were determined. They belong to the genera: Arecipites, Beaupreaidites, Clavamonocolpites, Clavatricolpites, Ericipites, Forcipites, Haloragacidites, Ilexpollenites, Liliacidites, Longapertites, Nothofagidites, Peninsulapollis, Periporopollenites, Proteacidites, Pseudowinterapollis, Psilatricolpites, Psilatricolporites, Quadraplanus, Rhoipites, Rousea, Senipites, Sparganiaceapollenites, Spinizonocolpites, Triatriopollenites, Tricolpites, Tricolporites and Triporopollenites. On the basis of the stratigraphic distribution of the identifi ed species, mainly in Argentina and Antarctica, and together with the preliminary analysis of spores, a Maastrichtian-Late Maastrichtian age is here suggested. The palynological assemblages obtained would typically indicate a near shore marine environment of deposition, with marginal conditions towards to the upper section. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-04 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Articulo http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
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article |
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publishedVersion |
dc.identifier.none.fl_str_mv |
http://sedici.unlp.edu.ar/handle/10915/120954 |
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openAccess |
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http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) |
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