migmatite


migmatite
mig·ma·tì·te
s.f. TS petr.
roccia cristallina mista, prodotto di solidificazione del migma
\
DATA: 1957.
ETIMO: der. di migma con 2-ite.

Dizionario Italiano.

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  • migmatite — [ migmatit ] n. f. • 1931; t. créé en suédois 1907, du gr. migma « mélange » ♦ Minér. Roche métamorphique, gneissique, d aspect mélangé, formée d une « trame » sombre (amphibole, par ex.) et d un apport magmatique clair (feldspaths, quartz). ●… …   Encyclopédie Universelle

  • Migmatite — Ptygmatic folding in migmatite Migmatite on the coast of Saa …   Wikipedia

  • Migmatite — Une migmatite correspondant à une métatexite. On observe deux rubanements. L un de couleur claire, l autre plus sombre Les migmatites (du grec : migma , mélange) sont des roches métamorphiques issues d anatexie crustale partielle. On les… …   Wikipédia en Français

  • migmatite — Rock composed of a metamorphic host material that is streaked or veined with granite; the name means mixed rock. Many migmatites probably represent partial fusion of the metamorphic host; some components of the rock are fused and gather to… …   Universalium

  • migmatite — migmatitas statusas T sritis chemija apibrėžtis Nevienalytė uoliena, susidedanti iš metamorfizuotos uolienos ir artimos granitams magminės medžiagos. atitikmenys: angl. migmatite rus. мигматит …   Chemijos terminų aiškinamasis žodynas

  • migmatite — noun any rock of mixed appearance, being an intimate mixture of granite and older rock, specifically from intense metamorphism which partially melts the rock, causing it to recrystallize in a state intermediate between igneous and metamorphic …   Wiktionary

  • Migmatite — Migmatịte   [zu griechisch mĩgma »Mischung«], Singular Migmatịt der, s, Mischgesteine, in ihrer chemischen Zusammensetzung und ihrem Gefüge zwischen metamorphen Gesteinen und Magmatiten stehende Gesteine mit einem unveränderten, hochmetamorphen …   Universal-Lexikon

  • migmatite — pl.f. migmatiti …   Dizionario dei sinonimi e contrari

  • migmatite — [ mɪgmətʌɪt] noun Geology a rock composed of two intermingled but distinguishable components, typically a granitic rock within a metamorphic host rock. Origin early 20th cent.: from Gk migma, migmat mixture + ite1 …   English new terms dictionary

  • migmatite — mig·ma·tite …   English syllables


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