نتایج جستجو برای: coniacian

تعداد نتایج: 119  

Journal: :Cretaceous Research 2021

The Turonian–Coniacian continental fossil record in Europe is scarce. Here we present a new assemblage of early Coniacian age that was systematically collected from the coal-bearing Gosau Group Tiefengraben locality near St. Wolfgang, Austria. diverse composed at least 60 taxa including sporomorphs and Normapolles-related pollen, seeds leaves angiosperms gymnosperms, charophytes, gastropods, bi...

Journal: :Global and Planetary Change 2021

The Late Cretaceous is marked by geodynamical changes including Africa-Eurasia convergence that resulted in the narrowing of Tethys Ocean and ophiolite obduction along southern margin various continental blocks eastern Tethys. Geochemical mineralogical analyses were performed on Shahneshin section (Zagros Basin - Tethys), to explore consequences this evolution oceanic circulation, estimate role...

Journal: :Bulletin of The Geological Society of Denmark 2022

A new trace fossil, Koptichnus rasmussenae, was recently reported from the Cretaceous of Denmark. This burrow is thickly lined with cuboids that tracemaker cut siliceous sponges. newly discovered specimen lower Selandian Kerteminde Marl, found in a loose boulder Gundstrup gravel pit (Fyn, Denmark), extends stratigraphical range this ichnotaxon previously known Coniacian to middle Paleocene and ...

2006
I. M. Varentsov

Analysis of the distribution of major components and heavy metals in a section of post-Jurassic deposits of southern Hess Rise (Deep Sea Drilling Project Site 465), the results of processing analytical data by factor analysis, interpretation of information on mineralogy and lithology of sediments, and evaluation of rates of component accumulation enable distinction of the main stages in the geo...

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