نتایج جستجو برای: phyllite

تعداد نتایج: 124  

Journal: : 2023

После выявления на Кавказе в начале 70-х годов ХХ века тектонических покровов стало понятно, что последовательность нижне(?) и среднепалеозойских пород древнего ядра Большого Кавказа является тектоно-стратиграфической образует аккреционную колонну. Считалось, современном виде она была сформирована главную фазу герцинского орогенеза представлена несколькими системами покровов. В работах кавказск...

2000
Bei Xu Changqiu Wang Lifei Zhang Shuwen Liu

Seven structural units with distinct kinematics have been recognized in the northwestern Dabie Shan (114°E– 115°E and 31°N–32°N), east-central China. They are, from north to south: (1) the north-verging Mafan fold belt (MFB) involving early Paleozoic metamorphic rocks; (2) the Liangting melange belt (LMB), which is separated from the MFB by a south-dipping thrust and consists of gneissic and ma...

Journal: :زمین شناسی اقتصادی 0
احمد احمدی خلجی زهرا طهماسبی

introduction the area of this study is located near hamadan within the sanandaj - sirjan tectonic zone. in the hamadan area, consisting mainly of mesozoic plutonic and metamorphic rocks, aplites and pegmatites locally contain garnets.(baharifar et al., 2004, amidi and majidi, 1977; torkian, 1995. garnet-bearing schists and hornfelses in the area are products of regional metamorphism shown by sl...

Journal: :Archaeology and Physical Anthropology in Oceania 2023

Cylcons are common in Australia, reported early accounts (e.g., by Etheridge, McCarthy) as spiritually important for Aboriginal people, but where the Indigenous perspectives on these stones? Here we provide two stories about our engagement with objects and then look at an archaeological excavation that allowed culture science to come together helping us interpret stones. Les cylcons sont objets...

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