نتایج جستجو برای: schist

تعداد نتایج: 610  

Journal: :Journal of Materials Research 2022

Abstract The current work is aimed to study the thermoluminescence (TL) properties of natural milky quartz associated with Metamorphic Rocks extracted from Eastern Desert Egypt. Atomic absorption spectrometer was used assess chemical compositions samples, and X-ray diffraction examine structural (XRD). deconvolution glow curve carried out revealed that there were ten trapping sites at 0.623, 0....

Journal: :Iraqi geological journal 2023

The garnet amphibolite schist is associated with the gabbroic unit of Mawat ophiolite, Kurdistan region, Northeast Iraq, in imbricated zone Zagros orogenic belt. Field observation, petrographic study, mineral chemistry, geochemical data, and thermodynamic modeling were used to demonstrate identification, predict observed stable assemblages, validate protolith. assemblages prograde are (pyrope-a...

Journal: :The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists 1955

Journal: :Fen ve mühendislik bilimleri dergisi 2023

The basic friction angle (φb) tests are a common and practical method used to determine the shear strength of discontinuities. Tilt device is generally in experiments. In this study, effects anisotropy properties green mica schist rocks taken from copper mine site Kastamonu Hanönü district on residual angles were investigated. For purpose, experiments with specially designed tilt conducted drie...

Journal: :Geomorphology 2021

Landscapes are subjected to surface denudation during their complex and non-linear evolution. In order quantify the in situ lowering and, thus, or soil erosion rates, new, multi-millennia archives needed must be rigorously tested. Large residual rocks, tors, basis for Tor Exhumation Approach. Here we present novel results on meta-sedimentary (schist) rock tors using this approach, which previou...

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