نتایج جستجو برای: micropaleontology

تعداد نتایج: 48  

Journal: :Turkish Journal of Earth Sciences 2023

The age and depositional environment of the Harami Formation were reevaluated based on new larger benthic foraminiferal (LBF) data. LBF assemblage including Orbitoides medius (d'Archiac), O. megaloformis Papp Küpper, gruenbachensis Papp, Pseudomphalocyclus blumenthali Meriç, Omphalocyclus macroporus (Lamarck), Sirtina cf. orbitoidiformis Brönnimann Wirz, Hellenocyclina beotica Reichel, Lepidorb...

Journal: :Journal of Micropalaeontology 2021

Abstract. During the Late Pleistocene–Holocene, Ross Sea Ice Shelf exhibited strong spatial variability in relation to atmospheric and oceanographic climatic variations. Despite being thoroughly investigated, timing of ice sheet retreat from outer continental shelf since Last Glacial Maximum (LGM) still remains controversial, mainly due a lack sediment cores with robust chronostratigraphy. For ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی - دانشکده علوم زمین 1388

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