Results 101 to 110 of about 16,469 (254)

L'évolution des peuplements d'ammonites au cours de l'Oxfordien inférieur (Zone à Mariae et Zone à Cordatum) du Jura (Est de la France) [The evolution of ammonite associations during the Early Oxfordian (Mariae and Cordatum zones) in the Jura area (eastern France)]

open access: yesCarnets de Géologie, 2010
The study of more than 40 sections in the "Creniceras renggeri marls" of the French Jura Range (Lower Oxfordian) has found: * a precise biochronostratigraphic subdivison of 16 successive populations or associations which appears to be stable over the ...
Jardat Rémi
doaj  

The Jurassic of North-East Greenland: Maximum Middle Jurassic transgression in East Greenland: evidence from new ammonite finds, Bjørnedal, Traill Ø [PDF]

open access: yesGeological Survey of Denmark and Greenland Bulletin, 2004
A Middle – lower Upper Jurassic sandstone-dominated succession, more than 550 m thick, with mudstone intercalations in the middle part is exposed in Bjørnedal on Traill Ø, North-East Greenland.
Alsen, Peter, Surlyk, Finn
doaj  

The physical basis of mollusk shell chiral coiling. [PDF]

open access: yesProc Natl Acad Sci U S A, 2021
Chirat R, Goriely A, Moulton DE.
europepmc   +1 more source

The Jurassic of North-East Greenland: Jurassic dinoflagellate cyst stratigraphy of Hold with Hope, North-East Greenland [PDF]

open access: yesGeological Survey of Denmark and Greenland Bulletin, 2004
Dinoflagellate cysts of the Middle–Upper Jurassic succession on northern Hold with Hope have been studied in order to establish a biostratigraphic framework and to date the succession.
Piasecki, Stefan   +3 more
doaj  

Biostratigraphy of the Cretaceous deposits based on ammonites in the southwest of Qayen area (Qumenjan section)

open access: green, 2021
سید ناصر رئیس السادات   +3 more
openalex   +2 more sources

New data on Austroalpine Liassic Ammonites from the Adnet Quarries and adjacent areas (Salzburg, Northern Calcareous Alps) [PDF]

open access: yes, 1995
The biostratigraphic studies of ammonites from the Adnet quarries allow to propose a set of 11 horizons or levels for the Upper Austroalpine Late Hettangian–Sinemurian. The originality of the faunal assemblages [e.g.
Böhm, Florian   +2 more
core  

Zonation by ammonites and foraminifers of the Vraconnian-Turonian interval: A comparison of the Boreal and Tethyan domains (NW Europe / Central Tunisia)

open access: yesCarnets de Géologie, 2008
Since the end of the 19th century the interval comprising the uppermost Upper Albian, the Cenomamian, the Turonian and the basal Coniacian has been subdivided, first into ammonite zones, then, beginning in the middle of the 20th century, into zones of ...
Amédro Francis, Robaszynski Francis
doaj  

Home - About - Disclaimer - Privacy