Results 101 to 110 of about 2,661 (202)

Ammonite stratigraphy of the Valanginian to Barremian for the Mediterranean region

, 1999
Since the 2nd Workshop of the Lower Cretaceous Cephalopod Team in Mula, Spain (Hoedemaeker et al., 1993), several ammonite zones and ammonite horizons have been introduced that still have not be inserted in the standard zonation of the Mediterranean area.
Klein, J.A., Hoedemaeker, Ph.J.
openaire   +1 more source

Impact of global cooling on Early Cretaceous high pCO₂ world during the Weissert Event. [PDF]

Nat Commun, 2021
Cavalheiro L, Wagner T, Steinig S, Bottini C, Dummann W, Esegbue O, Gambacorta G, Giraldo-Gómez V, Farnsworth A, Flögel S, Hofmann P, Lunt DJ, Rethemeyer J, Torricelli S, Erba E.   +14 more
europepmc   +1 more source

Paleoecological dynamics of the Jurassic-Cretaceous transition: insights from the Vaca Muerta Formation marine biota

Frontiers in Ecology and Evolution
The global understanding of the functioning of Mesozoic marine ecosystems has historically been heavily biased toward paleoecological models based on Northern Hemisphere localities with exceptional preservation; meanwhile, highly fossiliferous Western ...
Verónica V. Vennari, Leticia Luci, Yanina Herrera, Yanina Herrera, Cecilia S. Cataldo, Agustina G. Toscano, Luciana S. Marin, A. Mariel Andrada, Sole Gouiric-Cavalli, Sole Gouiric-Cavalli, Beatriz Aguirre-Urreta   +10 more
doaj   +1 more source

Facies evaluation and sedimentary environments of the Yamama Formation in the Ratawi oil field, South Iraq. [PDF]

Sci Rep, 2023
Al-Iessa IA, Zhang WZ.
europepmc   +1 more source

The Valanginian - Lower Hauterivian of SE France

, 2015
A l’occasion de l’inauguration de l’Espace Naturel Sensible du Serre de l’Âne (le 5/12/14 à La Charce), une présentation de ce site a été faite (S. Reboulet) lors de la dernière réunion du GFC (2-3/12/14) et il a été proposé de faire une excursion sur la coupe de La Charce (GSSP Hauterivien).
openaire   +1 more source

The Valanginian to Aptian stages - current definitions and outstanding problems

, 1982
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Thalattosuchian crocodylomorphs from European Russia, and new insights into metriorhynchid tooth serration evolution and their palaeolatitudinal distribution. [PDF]

PeerJ, 2023
Young MT, Zverkov NG, Arkhangelsky MS, Ippolitov AP, Meleshin IA, Mirantsev GV, Shmakov AS, Stenshin IM.   +7 more
europepmc   +1 more source

A taxonomy of iguanodontians (Dinosauria: Ornithopoda) from the lower Wealden Group (Cretaceous: Valanginian) of southern England

, 2010
This short review discusses current understanding of the history, anatomy and taxonomy of the lower Wealden Group-aged (Valanginian ~141–137Ma) iguanodontian dinosaurs from southern England.\ud English Wealden iguanodontian taxonomy has been the subject ...
Norman, David B.
core   +1 more source

Paleogeography of the West Siberian sedimentation basin in the Early Cretaceous era [PDF]

Нефтегазовая геология: Теория и практика
Based on the integration of geological and geophysical information, the facies and sedimentation environments of the Early Cretaceous terrigenous strata of Western Siberia were determined.
Shimanskiy V.V., Taninskaya N.V., Nizyaeva I.S., Kolpenskaya N.N., Vasil'ev N.Ya., Myasnikova M.A., Zel'tser V.N., Nugumanova A.A., Grislina M.N., Shimanskiy S.V.   +9 more
doaj  

Climatic and environmental dynamics during the Valanginian carbon isotope event

, 2012
Das Valangin (~ 144,5-133,9 Mio., Unterkreide) zeichnet sich durch eine positive Kohlenstoffisotopenexkursion (CIE) aus, die auf eine Störung im Kohlenstoffkreislauf hindeutet. CIEs sind für zahlreiche Abschnitte der Kreide bekannt. Im Vergleich zu späteren CIEs lassen sich für das Valangin keine erhöhten Akkumulationen von organischem Material im ...
openaire   +2 more sources