نتایج جستجو برای: paleozoic

تعداد نتایج: 1972  

Journal: :Minerals 2023

The Taiyuan Formation, located on the northern margin of Ordos Basin, has an important role in reconstructing tectonic paleogeography and evolutionary process due to its preservation information about evolution basin throughout Late Paleozoic. provenance, paleogeography, activity traits Formation were examined using sedimentary petrology zircon chronology methods. Alxa block is consistent with ...

Journal: :Russian Journal of Earth Sciences 2023

We have studied the orogenic fragile deformation of upper Earth's crust several areas Eurasian continent, where deformations occurred many times -- in Tian Shan and Altai-Sayan regions Central Asian Paleozoic Fold Belt Baltic region Fennoscandian Shield (East European Platform). Our processing data on trends more than 4000 faults allows us to identify fault systems relationships among these sys...

Journal: :Arabian Journal of Geosciences 2022

Abstract New investigations of petrographic and geochemical characteristics Mesozoic sandstones from the northwestern Gulf Suez in Egypt have been undertaken, documenting dominance quartzose containing on average ~ 5% mostly sedimentary subordinately metamorphic lithic fragments (siltstone, sandy siltstone, and, more rarely slate, metasiltstone, limestone, dolostone, quartz-muscovite schist, gn...

Journal: :Palaeogeography, Palaeoclimatology, Palaeoecology 2020

Journal: :Iowa Geological Survey Annual Report 1925

Journal: :Proceedings of the National Academy of Sciences 2021

Journal: :Journal of King Saud University - Science 2010

Journal: :New Zealand Journal of Geology and Geophysics 1970

Journal: :Geophysical Research Letters 1991

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