نتایج جستجو برای: early aptian

تعداد نتایج: 686306  

2005
Garry D. Karner Donna J. Shillington

High core recovery at Ocean Drilling Program (ODP) Leg 210, Site 1276, provided a high-resolution porosity-depth relationship and an equally impressive age-depth model based on first and last occurrences of microfossils. Site 1276 was drilled over transitional crust in the Newfoundland nonvolcanic margin, offshore Canada, between known continental crust on the west and apparent oceanic crust on...

Journal: :Geological field trips 2022

The Apennine Carbonate Platform of southern Italy witnesses nearly 150 Myr (Late Triassic to Late Cretaceous) shallow-water carbonate sedimentation in the subtropical central Tethys. During this field trip, you will have a look at stratigraphy and facies across some key intervals global palaeoenvironmental perturbation important stratigraphic discontinuities history platform.During first day, v...

Journal: :Revista del Museo Argentino de Ciencias Naturales 2005

Journal: :Bulletin of the British Museum (Natural History) Geology 1993

2016
Daniel Madzia

Pliosauridae is a globally distributed clade of aquatic predatory amniotes whose fossil record spans from the Lower Jurassic to the Upper Cretaceous. However, the knowledge of pliosaurid interrelationships remains limited. In part, this is a consequence of a few key taxa awaiting detailed reassessment. Among them, the taxon Polyptychodon is of special importance. It was established on isolated ...

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