نتایج جستجو برای: tournaisian

تعداد نتایج: 98  

Journal: :Earth and Planetary Science Letters 2021

Abstract The expansion of land plants is considered to have played a key role in triggering the Late Paleozoic Ice Age (LPIA), but evidence linking climatic events terrestrial floral changes limited. Here, we generated bulk carbonate ?13C, conodont ?18O and 87Sr/86Sr profiles from lowermost Carboniferous South China Vietnam order investigate their relationship contemporaneous plant evolution. C...

Journal: :Comptes Rendus Palevol 2022

The fossil record of arborescent lignophytes shows an increasing anatomical diversity during the Tournaisian (360-347 Mya), suggesting a morpho-anatomical diversification following extinction progymnosperm Archaeopteris Dawson, 1871 at Devonian-Carboniferous boundary. This view has been partly constructed on recent investigations Early Carboniferous deposits in eastern Australia. In this paper,...

Journal: :Вестник Пермского национального исследовательского политехнического университета. Геология. Нефтегазовое и горное дело 2015

Journal: :Geosciences 2021

The Pre-Mesozoic units exposed in the inner Northern Apennines mostly consist of Pennsylvanian-Permian successions unconformably deposited on a continental crust consolidated at end Variscan orogenic cycle (Silurian-Carboniferous). In Apennines, exposures this crust, Cambrian?-Devonian age, have been described Tuscany, Elba Island (Tuscan Archipelago) and, partly, scattered and isolated outcrop...

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