نتایج جستجو برای: palynofacies

تعداد نتایج: 95  

Journal: :Geosciences 2021

This study focuses on the thermal maturity of Permian deposits from Zagros Basin, Southwest Iran, employing both optical methods (Thermal Alteration Index, Palynomorph Darkness Vitrinite Reflectance, UV Fluorescence) and geochemical analyses organic matter (Rock Eval Pyrolysis MicroRaman spectroscopy) applied to Faraghan Formation along two investigated Darreh Yas Kuh e surface sections. Furthe...

Journal: :Cretaceous Research 2023

Integrated sedimentological, palynological, and palynofacies analyses of the Arrifes section in central Algarve Basin (southern Portugal) provided new information on age environments this Lower Cretaceous sequence. The sedimentary succession at consists fossiliferous interbedded limestones, marly marls, dated as latest Hauterivian to late Barremian (Lower Cretaceous) based key dinoflagellate ta...

Journal: :Palaeogeography, Palaeoclimatology, Palaeoecology 2021

During the Early Toarcian, deposition of organic carbon-rich-shales occurred throughout epicontinental sea across Europe. Climate instability and high extinction rates in marine realm were associated with profound environmental changes. The Toarcian Oceanic Anoxic Event (T-OAE) has been linked to injection greenhouse gases (e.g. oceanic methane) into atmosphere triggered by emplacement Karoo-Fe...

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