نتایج جستجو برای: trace fossils

تعداد نتایج: 80653  

Journal: :Brazilian Journal of Geology 2021

The Aptian Crato Formation is world renowned for its well-preserved fossils in microbially-induced laminated limestones, which are regarded as one of the main Cretaceous Konservat-Lagerstätte geological record. Detailed stratigraphic investigation and mapping up to 90-m-thick at eastern border Araripe Plateau allowed recognition a regionally persistent fossil-bearing muddy interval, herein defi...

Journal: :Geological Quarterly 2021

We provide the first reports of some rare trace fossils from middle Turonian (Upper Cretaceous) Sudety Mountains (SW Poland, Upper Nysa K?odzka Graben, D?ugopole Górne Quarry). These include burrows ? Ancorichnus isp., Asterosoma cf. ludwigae Schlirf, 2000, Phycodes Dactyloidites ottoi (Geinitz, 1849), Funalichnus strangulatus (Fritsch, 1883), palmatus Hall, 1852, , Phycosiphon incertum Fischer...

Journal: :Heritage 2022

Field investigations in the northwestern segment of Greater Caucasus, a Late Cenozoic orogen, have permitted establishment two new geosites, namely Ubin and Bezeps geosites. Both represent Berriasian–Middle Valanginian (Early Cretaceous) marine deposits with abundant trace fossils. The latter are attributed to Nereites ichnofacies indicate on deep palaeoenvironments (this interpretation challen...

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