Palinología de angiospermas de la Formación Monte Chico (Cretácico superior) de la provincia de Santa Cruz, Argentina
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. F...
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ftunivlaplata:oai:sedici.unlp.edu.ar:10915/120954 2023-05-15T13:43:37+02:00 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 Povilauskas, Leticia Karina 2013-04 application/pdf 115-126 http://sedici.unlp.edu.ar/handle/10915/120954 es spa http://sedici.unlp.edu.ar/handle/10915/120954 issn:1519-7530 http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) CC-BY-NC-SA Ciencias Naturales Angiosperms Monte Chico Formation Cretaceous Argentina Articulo 2013 ftunivlaplata 2021-07-04T00:04:54Z 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 Article in Journal/Newspaper Antarc* Antarctica Antártida Universidad Nacional de La Plata (UNLP): SeDiCI (Servicio de Difusión de la Creación Intelectual) Argentina monte Chico ENVELOPE(-63.400,-63.400,-65.050,-65.050) |
institution |
Open Polar |
collection |
Universidad Nacional de La Plata (UNLP): SeDiCI (Servicio de Difusión de la Creación Intelectual) |
op_collection_id |
ftunivlaplata |
language |
Spanish |
topic |
Ciencias Naturales Angiosperms Monte Chico Formation Cretaceous Argentina |
spellingShingle |
Ciencias Naturales Angiosperms Monte Chico Formation Cretaceous Argentina Povilauskas, Leticia Karina Palinología de angiospermas de la Formación Monte Chico (Cretácico superior) de la provincia de Santa Cruz, Argentina |
topic_facet |
Ciencias Naturales Angiosperms Monte Chico Formation Cretaceous Argentina |
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. 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 |
format |
Article in Journal/Newspaper |
author |
Povilauskas, Leticia Karina |
author_facet |
Povilauskas, Leticia Karina |
author_sort |
Povilauskas, Leticia Karina |
title |
Palinología de angiospermas de la Formación Monte Chico (Cretácico superior) de la provincia de Santa Cruz, 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 |
publishDate |
2013 |
url |
http://sedici.unlp.edu.ar/handle/10915/120954 |
long_lat |
ENVELOPE(-63.400,-63.400,-65.050,-65.050) |
geographic |
Argentina monte Chico |
geographic_facet |
Argentina monte Chico |
genre |
Antarc* Antarctica Antártida |
genre_facet |
Antarc* Antarctica Antártida |
op_relation |
http://sedici.unlp.edu.ar/handle/10915/120954 issn:1519-7530 |
op_rights |
http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) |
op_rightsnorm |
CC-BY-NC-SA |
_version_ |
1766191233831534592 |