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any of a class of crystalline metamorphic rocks whose constituent mineral grains have a more or less parallel or foliated arrangement.
any metamorphic rock that can be split into thin layers because its micaceous minerals have become aligned in thin parallel bands
A highly foliated, medium-grained metamorphic rock that splits easily into flakes or slabs along well-defined planes of mica. The mineral composition of schist is varied and is often reflected in the name given to the rock. For example, a schist that contains garnet is called a garnet schist. A schist containing chlorite is called a chlorite schist.

schistose adjective (shĭs’tōs’)


Read Also:

  • Schisto-

    schisto- pref. Split; cleft: schistocyte.

  • Schistocelia

    schistocelia schis·to·ce·li·a (shĭs’tə-sē’lē-ə, skĭs’-) n. A congenital fissure of the abdominal wall.

  • Schistocormia

    schistocormia schis·to·cor·mi·a (shĭs’tə-kôr’mē-ə, skĭs’-) n. A congenital cleft of the trunk, usually accompanied by imperfectly developed lower extremities. Also called schistosomia.

  • Schistocyte

    schistocyte schis·to·cyte (shĭs’tə-sīt’, skĭs’-) n. A red blood cell having an abnormal shape as a result of fragmentation that occurs as the cell flows through damaged small vessels.

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