2026-06-07T23:44:13Zhttps://docta.ucm.es/rest/oai/requestoai:docta.ucm.es:20.500.14352/1005582025-08-28T15:06:09Zcom_20.500.14352_14col_20.500.14352_15
Docta Complutense
author
Torices Hernández, Angélica
author
Fernández Marrón, María Teresa
author
Fonolla Ocete, José Fernando
author
López Martínez, María Nieves
2024-02-08T16:44:39Z
2024-02-08T16:44:39Z
2011
Torices, A., Fernández-Marrón, M. T., Fonollá, F., & López-Martínez, N. (2012). Palynological characterization of a transgressive episode in transitional deposits in the Cretaceous Aren and Tremp formations (south-central Pyrenees, Spain). Neues Jahrbuch fur Geologie und Palaontologie-Abhandlungen, 266(2), 159.
10.1127/0077-7749/2012/0291
https://hdl.handle.net/20.500.14352/100558
https://doi.org/10.1127/0077-7749/2012/0291
The overall marine regression leading to the infilling of the Cretaceous Pyrenean basin was punctuated by transgressive episodes. These events produced a complex architecture in the interfingering deposits in the marine Aren and continental Tremp formations in south-central Pyrenees. The Vicari section is useful for studying the lateral change between these marine-continental deposits bearing fossil vertebrates and pollen. In this section, palynological changes reveal in detail transgressive and regressive events in the lower part of the continental Tremp Formation, which could not be detected otherwise by non-correlated lithological changes. A rapid regression is documented through the contact between the lower Aren and Tremp deposits: in-situ dinosaur egg clutches and other vertebrate remains are preserved with terrestrial palynomorphs indicating warm humid palaeoclimatic conditions (tree ferns, cycads, etc.). Furthermore, palynological content, rich in marine phytoplankton, reveals a transgressive episode in the upper grey marls in the Tremp Formation.
eng
Palynological characterization of a transgressive episode in transitional deposits in the Cretaceous Aren and Tremp formations (south-central Pyrenees, Spain)
journal article
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10ff3843f5730f5a47516f151550afb7
1470967
application/pdf
20.-Torices_A._Fernandez-Marron_MT_Lopez_Mar.pdf