Results 91 to 100 of about 114,172 (349)
BIOGEOGRAPHIC HISTORIES AND CHRONOLOGIES OF DERIVED IGUANODONTIANS
The geographic distributions, chronology, and phylogenetic relationships of derived iguanodontians describe a biogeographic history of active intercontinental dispersal, which is tested via comparison with eustatic sea level fluctuations.
Jason J. Head, Yoshitsugu Kobayashi
doaj
Integrated stratigraphy of the Upper Hauterivian to Lower Barremian Agua de la Mula Member of the Agrio Formation, Neuquén Basin, Argentina [PDF]
The Upper Hauterivian to Lower Barremian Agua de la Mula Member of the Agrio Formation (Neuquén Basin, Argentina) was studied applying an integrated stratigraphic approach and facies analysis.
Archuby, Fernando +2 more
core
Sedimentation of the Lower Cretaceous Xiagou formation and Its Response to Regional Tectonics in the Qingxi Sag, Jiuquan Basin, NW China [PDF]
Under the constraint of an isochronous sequence stratigraphic framework, sediment infill of the Xiagou Formation reflects the overall control of dynamic tectonic movements and episodic sedimentations in the Qingxi Sag.
Chen, Si +5 more
core +1 more source
Abstract The Aliança Formation (Jatobá Basin) represents lacustrine deposits formed in oxygenated waters that hosted a diverse fauna, including Hybodontiform sharks. Within this group, the Family Lonchidiidae comprises 11 valid genera, with Parvodus previously reported in Brazilian deposits from the Brejo Santo Formation (Araripe Basin, Late Jurassic ...
Larissa de Souza Ribeiro +1 more
wiley +1 more source
In the Caborca–Altar area of northwest Sonora, variably deformed and metamorphosed sedimentary and volcanic rocks crop out in a northwest-southeast–trending belt (El Batamote belt) at least 70 km long.
Carl E. Jacobson +5 more
doaj +1 more source
Late Cretaceous paleogeodynamics of Bulgaria
The Tethyan system consisted in the Late Cretaceous of four plates, and namely Eurasia, the Oceanic Neotethys, Apulia (+ Menderes) and Africa (+Arabia). The Balkan microcontinent was situated between the Neotethys (Vardar ocean) and the Dobrogea cimmerian orogen. It was an integral whole (Albian-Turonian), or was fragmented through extension (Coniacian
openaire +1 more source
Abstract Tyrannosaurus is viewed as a model organism in vertebrate paleontology, with numerous studies analyzing its feeding biomechanics. Nonetheless, the evolution of this feeding performance has been under‐addressed in Tyrannosauroidea, especially in basal tyrannosauroids. Here we used muscle‐force reconstruction and finite element analysis (FEA) to
Evan Johnson‐Ransom +4 more
wiley +1 more source
Since the initial proposal of the past existence of a southward-directed mid-ocean ridge–subduction interaction in the Andes during Late Cretaceous–Paleogene times, several studies have been devoted to uncover the tectonomagmatic evidence of this process.
Sofía B. Iannelli +15 more
doaj +1 more source
Biogeochemical effects of volcanic degassing on the oxygen-state of the oceans during the Cenomanian/Turonian Anoxic Event 2 [PDF]
FINAL ID: PP11A-1769 Cretaceous anoxic events may have been triggered by massive volcanic CO2 degassing as large igneous provinces (LIPs) were emplaced on the seafloor.
Floegel, Sascha +6 more
core
Thermal history of the early Miocene Waitemata Basin and adjacent Waipapa Group, North Island, New Zealand [PDF]
Apatite fission track (AFT) and vitrinite reflectance (VR) data for early Miocene outcrops from the Waitemata Basin reveal that the basin sequence was subjected to shallow burial before denudation.
Balance, Peter F. +4 more
core +2 more sources

