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schist Definition

schist (s̸hist)

noun

any of a group of metamorphic rocks containing parallel layers of flaky minerals, as mica or talc, and splitting easily into thin, parallel leaves

Etymology: Fr schiste < L schistos (lapis), split (stone) < Gr schistos, easily cleft < schizein, to cleave: see schizo-

schist Related Forms
schist′·ose (-ōs) adjective or schist′·ous-əs
schist Usage Examples

Converse of object

  • comprise: The Dalradian comprises quartzose schists, grits, limestone beds and the " green beds " ( chlorite epidote schists ).

Adjective modifier

  • calcareous: The habitat type is developed at high altitudes on calcareous schist.
  • micaceous: Find 6 is a fragment of an elongated cobble of a micaceous schist ( illus 3: 7 ).
  • dalradian: The area is characterized by mainly Dalradian schist and gneiss with intrusions of granite.
  • metamorphic: Solid Geology The bulk of the basement rock on either side of Loch Ness is classified as metamorphic, mostly schists.
  • crystalline: After about 3 miles this gives way to crystalline schist 's, mainly mica and some very black graphite.
  • fractured: Examination of cores revealed that the well stopped in fractured schist containing oil.

Modifies a noun

  • reservoir: The western part of the field began producing in 1937 from the fractured schist reservoir.
  • rock: Material Used All our fountains are crafted by hand from natural Schist rock formed more than 200 million years ago originating in central Asia.
  • conglomerate: It was accidental in that the objective of the test well was the schist conglomerate capping the basement.

Noun used with modifier

  • mica: We also found some iron pyrites associated with mica schist 's, the crystals were moderately good.
  • chlorite: The Dalradian comprises quartzose schists, grits, limestone beds and the " green beds " ( chlorite epidote schists ).