Geochemical signals in Paleogene penguins from Seymour Island (Isla Marambio), Antarctic Peninsula

Trace elements, particularly rare earth elements (REE), are widely used as proxies to reconstruct paleoenvironmental and taphonomic conditions. We traced these elements in fossil penguin bones collected along the Paleogene sequence exposed in Seymour Island (=Isla Marambio) to test them as indicator...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autores principales: Pérez, Leandro Martín, Acosta Hospitaleche, Carolina Ileana Alicia, Gómez Peral, Lucía Elena, Gómez Dacal, Alejandro Rubén, Reguero, Marcelo Alfredo, Poiré, Daniel Gustavo, Cavarozzi, Claudia Ernestina
Formato: Articulo
Lenguaje:Inglés
Publicado: 2023
Materias:
Paleontología
Sphenisciformes
ICP-MS analysis
Fossil-diagenesis
Taphonomy
Weddell sea
Antarctica
Análisis ICP-MS
Fosildiagénesis
Tafonomía
Mar de Weddell
Antártida
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/153653
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-153653
record_format dspace
spelling I19-R120-10915-1536532023-05-31T04:07:21Z http://sedici.unlp.edu.ar/handle/10915/153653 issn:2469-0228 Geochemical signals in Paleogene penguins from Seymour Island (Isla Marambio), Antarctic Peninsula Señales geoquímicas en pingüinos del Paleógeno de Isla Marambio (Seymour island), Península Antártica Pérez, Leandro Martín Acosta Hospitaleche, Carolina Ileana Alicia Gómez Peral, Lucía Elena Gómez Dacal, Alejandro Rubén Reguero, Marcelo Alfredo Poiré, Daniel Gustavo Cavarozzi, Claudia Ernestina 2023 2023-05-30T15:29:11Z en Paleontología Sphenisciformes ICP-MS analysis Fossil-diagenesis Taphonomy Weddell sea Antarctica Análisis ICP-MS Fosildiagénesis Tafonomía Mar de Weddell Antártida Trace elements, particularly rare earth elements (REE), are widely used as proxies to reconstruct paleoenvironmental and taphonomic conditions. We traced these elements in fossil penguin bones collected along the Paleogene sequence exposed in Seymour Island (=Isla Marambio) to test them as indicators of the tectonic changes to which this region was exposed. The results indicated the contents of REE in thirteen samples of the analyzed bone tissues. The negative europium anomaly in the samples from Bartonian and Priabonian beds reflects regional events. This signal coincides in time with the opening of the Drake Passage, and with the tectonic changes that occurred between the end of the Eocene and the beginning of the Oligocene, between the western margin of South America and the Antarctic Peninsula. Los elementos traza, y particularmente los Elementos de las Tierras Raras (REE por sus siglas en inglés), son ampliamente utilizados como indicadores para la reconstrucción de condiciones paleoambientales y tafonómicas. Rastreamos estos elementos en huesos fósiles de pingüinos recolectados a lo largo de la secuencia del Paleógeno expuestos en la Isla Marambio (=Seymour Island) para testearlos como indicadores de los cambios tectónicos a los que estuvo expuesta la región. Los resultados indicaron las concentraciones de REE en el interior de las trece muestras de tejido óseo analizado. La anomalía de europio negativa en las muestras de nivel Bartoniano y Priaboniano refleja eventos regionales. Esta señal coincide en el tiempo con la apertura del Pasaje de Drake, y con los cambios tectónicos que ocurrieron entre finales del Eoceno y principios del Oligoceno, entre el margen occidental de las costas de América del Sur y la Península Antártica. Facultad de Ciencias Naturales y Museo Centro de Investigaciones Geológicas Articulo Articulo http://creativecommons.org/licenses/by-nd/4.0/ Creative Commons Attribution-NoDerivatives 4.0 International (CC BY-ND 4.0) application/pdf
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Paleontología
Sphenisciformes
ICP-MS analysis
Fossil-diagenesis
Taphonomy
Weddell sea
Antarctica
Análisis ICP-MS
Fosildiagénesis
Tafonomía
Mar de Weddell
Antártida
spellingShingle Paleontología
Sphenisciformes
ICP-MS analysis
Fossil-diagenesis
Taphonomy
Weddell sea
Antarctica
Análisis ICP-MS
Fosildiagénesis
Tafonomía
Mar de Weddell
Antártida
Pérez, Leandro Martín
Acosta Hospitaleche, Carolina Ileana Alicia
Gómez Peral, Lucía Elena
Gómez Dacal, Alejandro Rubén
Reguero, Marcelo Alfredo
Poiré, Daniel Gustavo
Cavarozzi, Claudia Ernestina
Geochemical signals in Paleogene penguins from Seymour Island (Isla Marambio), Antarctic Peninsula
topic_facet Paleontología
Sphenisciformes
ICP-MS analysis
Fossil-diagenesis
Taphonomy
Weddell sea
Antarctica
Análisis ICP-MS
Fosildiagénesis
Tafonomía
Mar de Weddell
Antártida
description Trace elements, particularly rare earth elements (REE), are widely used as proxies to reconstruct paleoenvironmental and taphonomic conditions. We traced these elements in fossil penguin bones collected along the Paleogene sequence exposed in Seymour Island (=Isla Marambio) to test them as indicators of the tectonic changes to which this region was exposed. The results indicated the contents of REE in thirteen samples of the analyzed bone tissues. The negative europium anomaly in the samples from Bartonian and Priabonian beds reflects regional events. This signal coincides in time with the opening of the Drake Passage, and with the tectonic changes that occurred between the end of the Eocene and the beginning of the Oligocene, between the western margin of South America and the Antarctic Peninsula.
format Articulo
Articulo
author Pérez, Leandro Martín
Acosta Hospitaleche, Carolina Ileana Alicia
Gómez Peral, Lucía Elena
Gómez Dacal, Alejandro Rubén
Reguero, Marcelo Alfredo
Poiré, Daniel Gustavo
Cavarozzi, Claudia Ernestina
author_facet Pérez, Leandro Martín
Acosta Hospitaleche, Carolina Ileana Alicia
Gómez Peral, Lucía Elena
Gómez Dacal, Alejandro Rubén
Reguero, Marcelo Alfredo
Poiré, Daniel Gustavo
Cavarozzi, Claudia Ernestina
author_sort Pérez, Leandro Martín
title Geochemical signals in Paleogene penguins from Seymour Island (Isla Marambio), Antarctic Peninsula
title_short Geochemical signals in Paleogene penguins from Seymour Island (Isla Marambio), Antarctic Peninsula
title_full Geochemical signals in Paleogene penguins from Seymour Island (Isla Marambio), Antarctic Peninsula
title_fullStr Geochemical signals in Paleogene penguins from Seymour Island (Isla Marambio), Antarctic Peninsula
title_full_unstemmed Geochemical signals in Paleogene penguins from Seymour Island (Isla Marambio), Antarctic Peninsula
title_sort geochemical signals in paleogene penguins from seymour island (isla marambio), antarctic peninsula
publishDate 2023
url http://sedici.unlp.edu.ar/handle/10915/153653
work_keys_str_mv AT perezleandromartin geochemicalsignalsinpaleogenepenguinsfromseymourislandislamarambioantarcticpeninsula
AT acostahospitalechecarolinaileanaalicia geochemicalsignalsinpaleogenepenguinsfromseymourislandislamarambioantarcticpeninsula
AT gomezperalluciaelena geochemicalsignalsinpaleogenepenguinsfromseymourislandislamarambioantarcticpeninsula
AT gomezdacalalejandroruben geochemicalsignalsinpaleogenepenguinsfromseymourislandislamarambioantarcticpeninsula
AT regueromarceloalfredo geochemicalsignalsinpaleogenepenguinsfromseymourislandislamarambioantarcticpeninsula
AT poiredanielgustavo geochemicalsignalsinpaleogenepenguinsfromseymourislandislamarambioantarcticpeninsula
AT cavarozziclaudiaernestina geochemicalsignalsinpaleogenepenguinsfromseymourislandislamarambioantarcticpeninsula
AT perezleandromartin senalesgeoquimicasenpinguinosdelpaleogenodeislamarambioseymourislandpeninsulaantartica
AT acostahospitalechecarolinaileanaalicia senalesgeoquimicasenpinguinosdelpaleogenodeislamarambioseymourislandpeninsulaantartica
AT gomezperalluciaelena senalesgeoquimicasenpinguinosdelpaleogenodeislamarambioseymourislandpeninsulaantartica
AT gomezdacalalejandroruben senalesgeoquimicasenpinguinosdelpaleogenodeislamarambioseymourislandpeninsulaantartica
AT regueromarceloalfredo senalesgeoquimicasenpinguinosdelpaleogenodeislamarambioseymourislandpeninsulaantartica
AT poiredanielgustavo senalesgeoquimicasenpinguinosdelpaleogenodeislamarambioseymourislandpeninsulaantartica
AT cavarozziclaudiaernestina senalesgeoquimicasenpinguinosdelpaleogenodeislamarambioseymourislandpeninsulaantartica
_version_ 1767633986292547584

Ejemplares similares