Schist is a metamorphic rock with a typical flaky structure. The mineral composition of schist is complex and diverse. It is composed of flaky or columnar minerals (>50%) and granular minerals (30–40%). It is characterized by the alignment of flaky or columnar minerals such as mica, chlorite, hornblende and talc on the same plane. The granular minerals are usually quartz and feldspar, and the feldspar content is generally lower than the quartz content. Common metamorphic minerals include andalusite, garnet, hauynite, staurolite, epidote, cordierite and glaucophane. Schist is a moderately metamorphosed rock that has a higher degree of metamorphism than slate and phyllite, and its granularity is coarser than that of phyllite. It is also characterized by a lepidoblastic or fibroblastic texture (sometimes with a porphyroblastic texture). Based on the main metamorphic minerals, it can be called mica schist, green schist, angular flash schist, or talc schist (Fig. 12).
Schist
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(2020). Schist. In: Chen, A., Ng, Y., Zhang, E., Tian, M. (eds) Dictionary of Geotourism. Springer, Singapore. https://doi.org/10.1007/978-981-13-2538-0_2160
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