نتایج جستجو برای: cenomanian

تعداد نتایج: 614  

Journal: :Palaeobiodiversity and Palaeoenvironments 2021

Abstract The early Cenomanian crippsi Event comprises a 1–3-m-thick interval characterised by mass occurrences of the inoceramid Gnesioceramus , identified in uppermost Sharpeiceras schlueteri Subzone (lower lower Mantelliceras mantelli Zone), below an interregional sequence boundary (SB Ce 1). At Lüneburg, event is densely packed, very large, disc-like valves G . Taphonomy as well bio- and mic...

Journal: :Palaeogeography, Palaeoclimatology, Palaeoecology 2021

The Cretaceous Period is considered the archetypical greenhouse interval, yet there mounting evidence for intermittent cooler climatic phases throughout this geologic span. Few continental climate histories exist south of paleoequator, and fewer still Africa during time. Galula Formation one few exposed fossiliferous sedimentary successions from what now subequatorial that also contains paleoso...

Journal: :Marine and Petroleum Geology 2022

On the Barents Shelf, northernmost and least explored hydrocarbon province of Norwegian Continental Upper Jurassic organic-rich shales have traditionally been given most attention as these represent prolific source rock unit region. However, in western frontier areas is too deeply buried. By combining high-resolution 2D seismic data, well logs, digitalized Rock-Eval this study documents lateral...

Journal: :Fossil Imprint 2022

Zamites pateri J.Kvaček is described as a new member of the Bennettitales from Cenomanian Peruc-Korycany Formation, Bohemian Cretaceous Basin in Czech Republic. It comes fluvial sediments exposed Pecínov quarry. compared to bayeri which it differs having pinnae attached dorsal part rachis and cuticular details, particularly costal zones narrower than intercostal zones, stomata orientated always...

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