Results 121 to 130 of about 10,679 (164)

El límite Paleoceno/Eoceno en España: características y posibilidades

open access: yes, 1996
The Paleocene / Eocene boundary has been studied for the last seven years by the Spanish working group of ICCP project 308. Many sections have been sampled and studied, concluding that the most suitable sections to define the PaieoceneiEocene boundary are the following: Alamedilla, Campo, Caravaca, Ermua, Tremp and Zumaya.
openaire   +1 more source

Pliegues eocenos de dirección N-S en el Pirineo occidental

open access: yes, 2001
Several N-S trending folds have been identified in the Eocene strata of the western Pyrenees. Stratigraphical and sedimentological lines of evidence show that they formed from late Ypresian to middle Lutetian times. These new data agree with previous works considering this time interval as a period of increasing tectonic activity.
Payros, Aitor   +3 more
openaire   +1 more source

Nuevos hallazgos de Trionychidae (Chelonii) en el Eoceno de Salamanca y Zamora. Consideraciones sobre los ecosistemas fluviales durante el Eoceno en la Cuenca del Duero

open access: yes, 1993
[EN] Several fragments of Trionyx sp. from a new deposit from the Headonian at Villoruela (Salamanca, Spain) are described. One fragment of the hyoplastra of Trionyx cf. michauxi Broin, 1977, from the Rhenanian of Corrales (Zamora, Spain) is also described; no Trionychidae have been hitherto recorded at this site.
Jim?nez Fuentes, Emiliano   +1 more
openaire   +2 more sources

Caracteres diagnósticos de algunas especies del género Theosodon

open access: yesRevista del Museo de La Plata
Los restos que entran en la enumeración que sigue proceden del eoceno de Patagonia. El género Theosodon Amegh., se distingue de Macrauchenia y Scalabrinitherium por la estructura de los dientes, por el intermaxilar muy corto y por la abertura nasal ...
Alcides Mercerat
doaj  

Primer día: evento hipertermal del límite Paleoceno – Eoceno (PETM) : [excursión]

open access: yes, 2018
Instituto Geológico y Minero de España, España Universidad del País Vasco ...
Robador Moreno, Alejandro   +3 more
openaire   +1 more source

Dos foraminíferos nuevos del Eoceno de México

open access: yesBoletín de la Sociedad Geológica Mexicana, 1964
openaire   +1 more source

Evolución de las asociaciones de foraminíferos planctónicos del tránsito Eoceno inferior-Eoceno medio en la Península Ibérica (Agost, Cordillera Bética y Anoz, Pirineos)

open access: yes, 1997
The study of planktic foraminifera assemblages across the Early/Middle Eocene in the Anoz and Agost sections allows to recognize the following biozones and subzones: Acarinma pentacamerata Biozone, Subbotina boweri Subzone and Truncorotaloides praetopilensis Subzone, in the Early Eocene, and Hantkenina nuttalli Biozone, Hantkenina nuttalli Subzone and ...
openaire   +1 more source

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