schists

schists
сланцы

Новый англо-русский словарь. 2013.

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  • schists — ʃɪst n. any metamorphic crystalline rock that can be easily split into layers …   English contemporary dictionary

  • schists — plural of schist …   Useful english dictionary

  • Schist — The schists constitute a group of medium grade metamorphic rocks, chiefly notable for the preponderance of lamellar minerals such as micas, chlorite, talc, hornblende, graphite, and others. Quartz often occurs in drawn out grains to such an… …   Wikipedia

  • 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

  • Massif Central (geology) — The Massif Central forms together with the Armorican Massif (Brittany and Normandy) one of the two big basement massifs in France. Its geological evolution started in the late Neoproterozoic and continues to this day. It has been shaped mainly by …   Wikipedia

  • 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

  • Tuff — (from the Italian tufo ) is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption. Tuff should not be confused with tufa , another type of rock. Volcanic ashThe products of a volcanic eruption are… …   Wikipedia

  • Aberdeenshire (historic) — County of Aberdeen Aberdeenshire within Scotland in 1890 Geography Status County (until 1975) …   Wikipedia

  • Quartz-porphyry — Quartz porphyry, in petrology, is the name given to a group of hemi crystalline acid rocks containing porphyritic crystals of quartz in a fine grained matrix, usually of micro crystalline or felsitic structure. In specimens, the quartz appears as …   Wikipedia

  • Mesão Frio — Coordinates: 41°9′38.08″N 7°52′2.70″W / 41.1605778°N 7.867417°W / 41.1605778; 7.867417 …   Wikipedia

  • Portugal — /pawr cheuh geuhl, pohr /; Port. /pawrdd too gahl /, n. a republic in SW Europe, on the Iberian Peninsula, W of Spain. (Including the Azores and the Madeira Islands) 9,867,654; 35,414 sq. mi. (91,720 sq. km). Cap.: Lisbon. * * * Portugal… …   Universalium


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