نتایج جستجو برای: biostratigraphy
تعداد نتایج: 1134 فیلتر نتایج به سال:
The Kometan Formation is widely spread in northeastern Iraq and mostly composed of deep marine carbonates, with a predominance planktonic foraminiferal assemblages throughout its sequences. Two outcrop sections, Smaquli Tabin, were chosen to study the biostratigraphy Formation. identified 32 species belonging 12 genera. According stratigraphic distribution relative foraminifera assemblages, dem...
Two stratigraphic sections (Kuh-e-Rahmat and Kuh-e-Sabz) of Upper Cretaceous strata in the Interior Fars region (SW of Iran) were selected. Lower Cretaceous succession of Kuh-e-Rahmat was consisted of Dariyan, Kazhdumi Sarvak and Ilam Formations. The lower contact of the Sarvak Formation with Kazhdumi Formation is described as a transitional type whereas the upper contact of Sarvak Formation wa...
Clinoforms and clinothems are important common architectural elements in the sedimentary record of many basins worldwide. The influence that they exert on chronostratigraphic interpretations, however, is often underestimated. This especially true non-marine basins, such as Central European to Asian Neogene Paratethyan where division correlation usually based fossils environmentally sensitive mo...
Pleistocene calcareous nannoplankton biostratigraphy in the Choshi district, Chiba Prefecture, Japan
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