Results 71 to 80 of about 2,106 (218)

Stratotype Cénomanien

open access: yes, 2015
Les sols sableux et pauvres de la région du Mans ont permis le développement de landes, aujourd’hui enrésinées. Le genêt, arbuste typique de ce milieu, est devenu au XIIe siècle l’emblème des comtes du Maine, surnommés les Plantagenêts.
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core  

La première coupe historique du stratotype d'Etampes, dressée par Lavoisier en 1767

open access: yes, 1989
International audienceLe stratotype international de l'étage Stampien a été défini par les gisements fossilifères et la coupe (synthétique) des terrains des environs immédiats d'Etampes (Essonne).
Ellenberger, François
core   +1 more source

Early Aptian δ¹³C and manganese anomalies from the historical Cassis-La Bédoule stratotype sections (S.E. France): relationship with a methane hydrate dissociation event and stratigraphic implications

open access: yesCarnets de Géologie, 2005
Comparison of oxygen and carbon isotope and manganese evolution curves in bulk carbonate from the historical Bedoulian stratotype (Cassis-La Bédoule area, Provence, France) reveals an important geochemical event (negative δ¹³C and high Mn content ...
Tronchetti Guy   +7 more
doaj  

THE GELASIAN STAGE: A PROPOSAL OF A NEW CHRONOSTRATIGRAPHIC UNIT OF THE PLIOCENE SERIES

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2017
A new Stage, the Gelasian, is proposed as the third upper subdivision of the Pliocene Series. The GSSP of the base of the Gelasian Stage and of the Middle Pliocene-Upper Pliocene boundary is coincident with a "sapropel" level which outcrops in the Monte ...
DOMENICO RIO   +2 more
doaj   +1 more source

The Deshayesitidae Stoyanov, 1949 (Ammonoidea) of the Aptian historical stratotype region at Cassis-La Bédoule (SE France)

open access: yesCarnets de Géologie, 2006
One of the significant results of the multidisciplinary investigations carried out during recent years in the Lower Aptian historical stratotype of the Cassis-La Bédoule region (South-Eastern France) was a proposal to update the local Upper Barremian ...
Ropolo Pierre   +4 more
doaj  

Stratotype Lutétien

open access: yes, 2008
Avec l’Île-de-France pour région stratotypique, le Lutétien est un étage internationalement reconnu et mondialement renommé. Les fossiles qu’on y trouve, les monuments fabriqués à partir des roches datant de cette époque et les personnages qui s’y sont ...
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Issue Information

open access: yes
Boreas, Volume 54, Issue 4, Page 481-483, October 2025.
wiley   +2 more sources

Magnetostratigraphy and rock magnetism of the Ilerdian stratotype at Tremp, Spain

open access: yes, 1992
Pascual, JO., Pares, J.M., Langereis, C.G. and Zijderveld, J.D.A., 1992. Magnetostratigraphy and rock magnetism of the Ilerdian stratotype at Tremp, Spain. Phys. Earth Planet. Inter., 74: 139—157.
Pares, J.M.   +3 more
core  

The proposed Eocene-Oligocene stratotype, SW Alabama: not ideal due to magnetostratigraphic inconsistencies ( USA).

open access: yes, 1986
In the magnetic polarity time scale, the Eocene-Oligocene boundary is within a reversed polarity interval (Chron 13 R) with normal polarity intervals 500 000-750 000 years below and above the boundary.
Sen Gupta, B. K.   +3 more
core   +1 more source

The Quaternary of Poland and its stratigraphic classification

open access: yesGeographia Polonica
Quaternary studies in Poland require an improved integration of lithostratigraphy, biostratigraphy, chronostratigraphy, geochronology, magnetostratigraphy, climatostratigraphy and isotope stratigraphy.
Leszek Marks, Zdzisław Jary
doaj   +1 more source

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