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
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/120954

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network_name_str SEDICI (UNLP)
spelling 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
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