Results 31 to 40 of about 129 (55)

Towards a standard ammonite zonation for the Aptian (Lower Cretaceous) of northern Mexico

open access: yesRevista Mexicana de Ciencias Geológicas, 2018
Detailed data on twenty-seven species of ammonites identified in three stratigraphic sections of northern Mexico, allow further refinement of the Aptian ammonite biozonations of previous authors. Four formal ammonite biozones are proposed.
Ricardo Barragán-Manzo   +1 more
doaj  

Associations et biostratigraphie des Foraminifères benthiques et planctoniques du Bédoulien sommital et du Gargasien inférieur de La Tuilière - St-Saturnin-lès-Apt (aire stratotypique de l'Aptien, Vaucluse, SE France) [Planktonic and benthic foraminiferal assemblages and biostratigraphy of the uppermost Bedoulian and lower Gargasian of La Tuilière - St-Saturnin-lès-Apt (area of the Aptian stratotype, Vaucluse, SE France)]

open access: yesCarnets de Géologie, 2008
Faisant suite aux recherches sur le Bédoulien et le Gargasien du secteur de Cassis-La Bédoule (B. du Rh., SE France), l'étude de quatre coupes en relais dans l'aire stratotypique de l'Aptien, situées dans le secteur du Hameau de la Tuilière (commune de ...
Bellier Jean-Pierre   +2 more
doaj  

Late Aptian rudist faunas from the Zonguldak region, western Black Sea, Turkey (taxonomy, biostratigraphy, palaeoenvironment and palaeobiogeography)

open access: yes, 2002
In the western Black Sea region of Turkey (Zonguldak area), Late Aptian rudist-bearing carbonates (the Cengellidere Formation) yielded the following fauna: Toucasia gr.
Ozer, S, Masse, JP, Fenerci-Masse, M
core   +1 more source

Glomospirella cantabrica n. sp., and other benthic foraminifera from Lower Cretaceous Urgonian-type carbonates of Cantabria, Spain : biostratigraphic implications

open access: yes, 2021
A new benthic foraminifer is described as Glomospirella cantabrica n. sp. from several sections of the Upper Aptian Reocín Formation and one occurrence in the lowermost Albian Las Peñosas Formation of Cantabria (northern Spain).
Najarro, M.   +2 more
core  

Apport des forages ANDRA de Marcoule à la connaissance de la marge crétacée rhodanienne

open access: yes, 1999
International audienceExploration drillings conducted by ANDRA at the Marcoule site (SE France) have shown that the targeted Gargasian marls paradoxically pinch out basinwards under the middle Rhône valley, probably due to emersion and erosion prior to ...
Ferry, Serge
core   +5 more sources

Long- and short-term hydroclimatic variabilities in the Aptian Tethys: Clues from the orbital chronostratigraphy of evaporite-rich beds in the Apennine carbonate platform (Mt. Faito, southern Italy)

open access: yes, 2015
The stratigraphic signature of the global Late Aptian cooling episode and sea level lowstand has been investigated in the Mt. Faito section of the Apennine Carbonate Platform (ApCP) of southern Italy.
GRAZIANO, ROBERTO, A. RASPINI
core   +1 more source

New insight on the stratigraphy of the "Upper Thamama" in offshore Abu Dhabi (U.A.E.)

open access: yesCarnets de Géologie, 2003
An integrated case study of field "A" in offshore Abu Dhabi found that the stratigraphic framework for the uppermost part of the so-called "Thamama Group" required revision.
Granier Bruno   +4 more
doaj  

Sélaciens et Holocéphale du Gargasien de la région de Gargas (Vaucluse)

open access: yes, 1975
The Gargasian of the Gargas country has yielded an interesting fish fauna containing 14 selachian species, 2 of which are new : Anomotodon principalis nov. sp., and Rhinobatos picteti nov. sp., and one Holocephale species. The genus Notidanodon nov.
Cappetta, Henri
core   +1 more source

Etude paléontologique de quelques Rudistes de l'Aptien supérieur du Djebel Ouenza (Algérie Nord-Orientale)

open access: yes, 1983
Upper Aptian carbonates (Gargasian) from Djebel Ouenza con¬ tain an abondant rudist fauna. Requieniidae are well represented, especially by the following species : Requienia migliorinii, Toucasia carinata and T. patagiata.
Chikhi-Aouimeur, Fettouma
core   +1 more source

Lower Cretaceous limestones from the northern part of Padurea Craiului (Osoiu Hill and Subpiatra sections): biostratigraphy and preliminary data on microbial structures [PDF]

open access: yes, 2012
Two sections have been measured within the Lower Cretaceous deposits from the northern part of Pădurea Craiului: Osoiu Hill section and Subpiatră section.
Daoud, Hyam   +3 more
core   +1 more source

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