Phonolite meaning
Phonolite is an uncommon shallow intrusive or extrusive rock, of intermediate chemical composition between felsic and mafic, with texture ranging from aphanitic (fine-grained) to porphyritic (mixed fine- and coarse-grained). Phonolite is a variation of the igneous rock trachyte that contains nepheline or leucite rather than quartz. It has an unusually high (12% or more) Na2O + K2O content… Webphonolite phonolite (English) Origin & history phono-+ -lite, from the metallic sound when it is hit. Noun phonolite (pl. phonolites) a light-coloured rock of volcanic origin composed mostly of alkali feldspars; Synonyms. clinkstone; Translations phonolite - light-coloured rock. Japanese: 響岩 (きょうがん, kyōgan) Anagrams. in the ...
Phonolite meaning
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WebFeb 1, 2015 · The Erebus phonolite magma contains about 30 vol% crystals ( Kelly et al., 2008 ), ∼0.2 wt% water and a variable amount of carbon dioxide (∼100 to 1000 ppm, Oppenheimer et al., 2011, Moussallam et al., 2013 ). The crystals and dissolved volatiles affect the rheological properties of the magma. WebFeb 1, 2015 · The phonolite at Erebus has slightly higher silica content than that at Vesuvius yet its present activity is predominantly non-explosive. As a contribution to understanding such contrasting eruptive behaviour, we focus on the rheological differences between these comparable magmas.
Webphonolite translation in English - English Reverso dictionary, see also 'phonetics, phonic, photogenic, phonology', examples, definition, conjugation WebMay 8, 2024 · phonolite A fine-grained, porphyritic, extrusive, igneous rock consisting of essential alkali feldspar ( sanidine or anorthoclase ), nepheline, sodic pyroxene, and sodic amphibole (with or without iron-rich olivine ), with accessory sphene, apatite, and zircon.
Webphonolite in American English (ˈfounlˌait) noun a fine-grained volcanic rock composed chiefly of alkali feldspar and nepheline, some varieties of which split into pieces that ring on being struck Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2024 by Penguin Random House LLC and HarperCollins Publishers Ltd WebMeaning of phonolite. What does phonolite mean? Information and translations of phonolite in the most comprehensive dictionary definitions resource on the web. Login .
Webphonolite, any member of a group of extrusive igneous rocks (lavas) that are rich in nepheline and potash feldspar. The typical phonolite is a fine-grained, compact igneous …
WebPhonolite is one of the lithologies in this formation; it corresponds to the highest altitudes in the island, with peaks exceeding 350 m. They are plugs and necks (Fig. 5.4A ), mainly … fita hobby shopWebDefinitions of phonolite word nounphonolite a fine-grained volcanic rock composed chiefly of alkali feldspar and nepheline, some varieties of which split into pieces that ring on being struck. 1 nounphonolite a fine-grained volcanic igneous rock consisting of alkaline feldspars and nepheline 0 fita henry vegaWebphonolite - WordReference English dictionary, questions, discussion and forums. All Free. can family practice doctor do pap smearWebphonolite. Definition in the dictionary English. phonolite. Definitions (mineralogy) a light-coloured rock of volcanic origin composed mostly of alkali feldspars noun (mineralogy) a light-coloured rock of volcanic origin composed mostly of alkali feldspars grammar. phonolite ( plural phonolites) fitaholic fitness woodburyWebMar 28, 2024 · 1 : a rock consisting of feldspar crystals embedded in a compact dark red or purple groundmass 2 : an igneous rock of porphyritic texture Example Sentences Recent … fitaholic andoverWebphonolite in American English. (ˈfounlˌait) noun. a fine-grained volcanic rock composed chiefly of alkali feldspar and nepheline, some varieties of which split into pieces that … fitaholic fitness costWebphonolite n a fine-grained volcanic igneous rock consisting of alkaline feldspars and nepheline (C19: via French from German Phonolith; see phono-, -lite) ♦ phonolitic adj fitaholic blaine