calcic plagioclase

известковистый плагиоклаз

English-Russian dictionary of geology. 2011.

Смотреть что такое "calcic plagioclase" в других словарях:

  • Moon rock — Olivine basalt collected by Apollo 15. Moon rock describes rock that formed on the Earth s moon. The term is also loosely applied to other lunar materials collected during the course of human exploration of the Moon. The rocks collect …   Wikipedia

  • Myrmekite — describes a vermicular, or wormy, intergrowth of quartz in plagioclase. The intergrowths are microscopic in scale, typically with maximum dimensions less than 1 millimeter. The plagioclase is sodium rich, usually albite or oligoclase. These… …   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

  • Basalt — For the World War II raid, see Operation Basalt. For the cities, see Basalt, Colorado and Basalt, Idaho. Basalt Igneous Rock Composition …   Wikipedia

  • olivine — olivinic /ol euh vin ik/, olivinitic /ol euh vi nit ik/, adj. /ol euh veen , ol euh veen /, n. Mineral. any of a group of magnesium iron silicates, (Mg,Fe)2SiO4, occurring in olive green to gray green masses as an important constituent of basic… …   Universalium

  • Igneous rock — Geologic provinces of the world (USGS)   Shield …   Wikipedia

  • Nephelinite — lava (grey) containing a xenolith of peridotite (yellow), Kaiserstuhl, Germany. Nephelinite is a fine grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite). If olivine is present, the rock may… …   Wikipedia

  • basalt — basaltic, basaltine /beuh sawl tin, tuyn/, adj. /beuh sawlt , bas awlt, bay sawlt/, n. the dark, dense igneous rock of a lava flow or minor intrusion, composed essentially of labradorite and pyroxene and often displaying a columnar structure.… …   Universalium

  • Monzonite — Photomicrograph of thin section of monzonite (in cross polarised light) …   Wikipedia

  • anorthite — anorthitic /an awr thit ik/, adj. /an awr thuyt/, n. Mineral. a white or gray feldspar mineral, CaAl2Si2O8, calcic plagioclase. [1825 35; AN 1 + ORTH + ITE1] * * * Feldspar mineral, calcium aluminosilicate (CaAl2Si2O8), that occurs as white or… …   Universalium

  • trachybasalt — “+ noun Etymology: German, from trachy + basalt : a rock that is intermediate in composition between trachyte and basalt and that contains both orthoclase and basic plagioclase * * * /tray kee beuh sawlt , bas awlt, bay sawlt, trak ee /, n. a… …   Useful english dictionary

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