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1 cze 2020 · In addition, optical microscopy and X-ray diffraction (XRD) analysis were used to determine the specimen's mineralogical composition and textural properties. According to the obtained results, Chlorite, Biotite, Calcite and Quartz are the main constitutive minerals of the schist rocks.
25 wrz 2021 · To analyze the mineral composition and observe the typical microstructure of schist as comprehensively as possible, two types of rock samples were cut along the direction perpendicular to the schistosity planes, and thin sections and optical sections were obtained through a series of procedures.
26 sie 2023 · Mineralogy and Texture: Schist’s mineral composition can vary, but common minerals found in schists include micas (biotite and muscovite), chlorite, amphiboles (such as hornblende), quartz, and feldspar. The dominant minerals often determine the rock’s color and overall appearance.
15 lip 2021 · The micromechanism and water action mechanism of the anisotropic properties of the schist were further discussed based on microscopic observations of the rock fabric and analysis of the mineral composition of the solid precipitant after immersion.
10 sie 2011 · For a detailed quantitative and semi-quantitative mineralogical composition analysis of schistose rocks, the X-ray diffraction powder method has been adopted. The test results are presented in Table 1. Quartz (40–60%), mica (30–50%) and plagioclase (1–15%) are the major rock constituent minerals.
19 sty 2022 · Key Points. Viscous deformation occurs by pressure solution creep and minor dislocation creep in metasediments below the subduction seismogenic zone. Rheological analysis suggests stresses were in the range of <10 to <30 MPa during viscous creeping.
1 sie 2021 · Schist is highly variable in terms of intact strength, mineralogical composition and structure due to the provenance of parent rock and metamorphic conditions during formation. This paper...
