Results 31 to 40 of about 3,810 (131)

Macrofauna de invertebrados del Cretácico superior de la Depresión Central Asturiana [PDF]

open access: yes, 1993
Se reporta y comenta la fauna de inocerámidos, rudistas, ammonites, braquiópodos y equmnidos recogida y localizada en yacimientos o series estratigráficas de detalle, durante los trabajos de campo de la tesis doctoral del primero de los autores (E.B ...
Bernárdez, Enrique   +6 more
core   +1 more source

Tmetoceratidae (Ammonitina) fauna from the Gerecse Mts (Hungary) [PDF]

open access: yes, 2010
Taxonomic and stratigraphic problems of the family Tmetoceratidae and the genera Dumortieria, Catulloceras, Cotteswoldia, Pleydellia and Tmetoceras included in it are briefly discussed. Fifteen species of Tmetoceratidae are described and illustrated from
Arkell W.J.   +64 more
core   +1 more source

Biostratigraphie des foraminifères du Toarcien du Moyen Atlas Central, Maroc Biostratigraphy of the Toarcian foraminifera of the Central Middle Atlas, Morocco

open access: yes, 2000
International audienceLes dépôts toarciens du Moyen Atlas central, généralement de type hémipélagiques, indiquent des conditions de plate-forme et de bassin ; ils sont marneux et confinés dans les dépocentres, calcaro-marneux et condensés dans les ...
Bejjaji, Zohra   +2 more
core   +1 more source

Toarcian oceanic anoxic event: An assessment of global causes using belemnite C isotope records [PDF]

open access: yes, 2005
Two hypotheses have been proposed to explain simultaneous large negative excursions (up to 7% PeeDee belemnite) in bulk carbonate (delta(13)C(carb)) and organic carbon isotope records (delta(13)C(org)) from black shales marking the Toarcian oceanic ...
Bailey, TR   +5 more
core   +1 more source

Pliensbachian–Toarcian ostracod biogeography in NW Europe: Evidence for water mass structure evolution [PDF]

open access: yes, 2007
This paper examines the role played by palaeoceanographic and climatic conditions on the palaeobiogeography of the Pliensbachian–Toarcian ostracods (Early Jurassic) in the European Epicontinental Sea (EES).
Arias Fernández, María del Carmen
core   +2 more sources

Excursion Le Crétacé de la marge atlantique marocaine (région d'Agadir) (1-7 septembre 2007)

open access: yes, 2007
International audienceL'intervalle Berriasien-Hauterivien et l'intervalle Cénomanien-Turonien inférieur ont été étudiés par coupes sériées, alignées sur deux traverses E-W, de la côte actuelle aux contreforts du Haut-Atlas, l'une à la latitude d'Agadir ...
Ferry, Serge   +2 more
core   +1 more source

Nouveaux biohorizons et propositions pour le découpage biozonal ammonitique du Barrémien supérieur du Sud-Est de la France [PDF]

open access: yes, 2008
International audienceUn nouveau découpage biozonal ammonitique du Barrémien supérieur du Sud-Est de la France est proposé. Il tient compte des renouvellements fauniques, des données séquentielles ainsi que des données historiques.
Bersac, Stéphane   +2 more
core   +2 more sources

Zur Langzeitökologie des Lärchen-Arvengürtels in den südlichen Walliser Alpen [PDF]

open access: yes, 2018
.: Kaltenrieder P., Tinner W. and Ammann B. 2005. Long-term vegetation history at timberline in the Swiss Alps (Alpe d'Essertse, VS). Bot. Helv. 115: 137-154.
Ammann, Brigitta   +2 more
core  

Biostratigraphy and palaeogeography of lower Devonian Chitinozoans, from East and West Moesia, Romania [PDF]

open access: yes, 2005
The knowledge on the biostratigraphy of Moesia has been supplemented based on chitinozoan assemblages in two boreholes, one from East Moesia and the second one from West Moesia. Previous contributions on chitinozoans, acritarchs and miospores, using only
Vaida, M., Verniers, J.
core  

The Staffelegg Formation: a new stratigraphic scheme for the Early Jurassic of northern Switzerland [PDF]

open access: yes, 2018
The deposits of the Early Jurassic in northern Switzerland accumulated in the relatively slowly subsiding transition zone between the southwestern part of the Swabian basin and the eastern part of the Paris basin under fully marine conditions ...
Jordan, Peter   +3 more
core  

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