- trachytic texture
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трахитовая структура
English-Russian dictionary of geology. 2011.
trachytic texture
Смотреть что такое "trachytic texture" в других словарях:
trachytic — adjective Date: 1827 of or relating to a texture of igneous rocks in which lath shaped feldspar crystals are in almost parallel lines … New Collegiate Dictionary
trachytic — [trə kɪtɪk] adjective Geology relating to or denoting a rock texture (characteristic of trachyte) in which crystals show parallel alignment due to liquid flow … English new terms dictionary
trachytic — trəˈkid.ik adjective Etymology: French trachytique, from trachyte + ique ic : of or relating to a texture of igneous rocks in which lath shaped feldspar microlites are arranged in subparallel lines that flow around the larger phenocrysts … Useful english dictionary
trachyte — trachytic /treuh kit ik/, trachytoid /trak i toyd , tray ki /, adj. /tray kuyt, trak uyt/, n. a fine grained volcanic rock consisting essentially of alkali feldspar and one or more subordinate minerals, as hornblende or mica: the extrusive… … Universalium
Mount Cayley volcanic field — Coordinates: 50°07′13″N 123°17′26″W / 50.12028°N 123.29056°W / 50.12028; 123.29056 … Wikipedia
Trachyte — is an igneous, volcanic rock with an aphanitic to porphyritic texture. The mineral assemblage consists of essential alkali feldspar; relatively minor plagioclase and quartz or a feldspathoid such as nepheline may also be present. (See the QAPF… … Wikipedia
Case hardening of rocks — Case hardening is a weathering phenomenon of rock surface induratoin. It is observed commonly in: felsic alkaline rocks, such as nepheline syenite, phonolite and trachyte; pyroclastic rocks, as pyroclastic flow deposit, fine air fall deposits and … Wikipedia
orthophyric — /awr theuh fuy rik/, adj. Petrog. of or pertaining to a texture in which the groundmass is characterized by closely packed, short, quadrilateral crystals of feldspar larger than those in a trachytic groundmass. [ORTHO + PHYRE + IC] * * * … Universalium
orthophyric — /awr theuh fuy rik/, adj. Petrog. of or pertaining to a texture in which the groundmass is characterized by closely packed, short, quadrilateral crystals of feldspar larger than those in a trachytic groundmass. [ORTHO + PHYRE + IC] * * *… … Useful english dictionary
