schistosity

schistosity

      mode of foliation that occurs in certain metamorphic rocks as a consequence of the parallel alignment of platy and lath-shaped mineral constituents. It reflects a considerable intensity of metamorphism—i.e., changes resulting from high temperatures, pressures, and deformation.

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Universalium. 2010.

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Look at other dictionaries:

  • Schistosity — Schis*tos i*ty, n. [Cf. F. schistosit[ e].] (Geol.) The quality or state of being schistose. [1913 Webster] …   The Collaborative International Dictionary of English

  • schistosity — noun see schistose …   New Collegiate Dictionary

  • schistosity — schis·tos·i·ty …   English syllables

  • schistosity — shiˈstäsəd.ē noun ( es) : the quality or state of being a schist …   Useful english dictionary

  • schistose — schistosity /shi stos i tee/, n. /shis tohs/, adj. of, resembling, or in the form of schist. Also, schistous /shis teuhs/. [1785 95; SCHIST + OSE1] * * * …   Universalium

  • metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… …   Universalium

  • Metamorphic rock — Metamorphic redirects here. For other uses, see Metamorphic (disambiguation). Quartzite, a form of metamorphic rock, from the Museum of Geology at University of Tartu collection. Metamorphic rock is the transformation of an existing rock type,… …   Wikipedia

  • gneiss — gneissic, adj. /nuys/, n. a metamorphic rock, generally made up of bands that differ in color and composition, some bands being rich in feldspar and quartz, others rich in hornblende or mica. [1750 60; < G] * * * Medium to coarse grained… …   Universalium

  • schist — /shist/, n. any of a class of crystalline metamorphic rocks whose constituent mineral grains have a more or less parallel or foliated arrangement. [1775 85; < NL schistus, L (lapis) schistos < Gk schistós divided, curdled, divisible, deriv. of… …   Universalium

  • schistose — adjective Date: 1794 of or relating to schist ; having the character or structure of a schist • schistosity noun …   New Collegiate Dictionary

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