The Collaborative International Dictionary of English. 2000.
micropegmatite — ▪ mineral quartz and alkali feldspar intergrowth so fine that it can be resolved only under the microscope; it is otherwise indistinguishable from the coarser intergrowths known as graphic granite. The quartz feldspar interfaces are planar … Universalium
micropegmatite — mi·cro·pegmatite … English syllables
micropegmatite — … Useful english dictionary
Micropegmatitic — Micropegmatite Mi cro*peg ma*tite, n. [Micro + pegmatite.] (Min.) A rock showing under the microscope the structure of a graphic granite (pegmatite). {Mi cro*peg ma*tit ic}, a. [1913 Webster] … The Collaborative International Dictionary of English
micropegmatitic — adjective see micropegmatite * * * micropegmatitic / titˈik/ adjective • • • Main Entry: ↑micropegmatite … Useful english dictionary
Micrographic texture — In petrology, micrographic texture is a fine grained intergrowth of quartz and alkali feldspar, interpreted as the last product of crystallization in some igneous rocks which contain high or moderately high percentages of silica. Micropegmatite… … Wikipedia
granophyre — granophyric /gran euh fir ik/, adj. /gran euh fuyeur /, n. a fine grained or porphyritic granitic rock with a micrographic intergrowth of the minerals of the groundmass. [1880 85; GRANO + PHYRE] * * * ▪ rock fine grained igneous rock that… … Universalium
SILICE — Le dioxyde de silicium ou silice occupe, parmi les oxydes, une place exceptionnelle; en effet, par ses propriétés cristallochimiques, par ses modes de genèse, par son importance pétrographique, il s’apparente étroitement aux silicates. Dans la… … Encyclopédie Universelle
μικροπηγματίτης — ο (πετρογρ.) σύμφυση ενός κρυστάλλου αλκαλικού αστρίου με έναν κρύσταλλο χαλαζία, η οποία έχει τόσο μικρό μέγεθος ώστε να είναι ορατή μόνο με το μικροσκόπιο. [ΕΤΥΜΟΛ. Αντιδάνεια λ., πρβλ. αγγλ. micropegmatite (βλ. μικρ[ο] )] … Dictionary of Greek
quartz-dolerite — A variety of dolerite which contains interstitial quartz usually intergrown graphically with feldspar, forming patches of micropegmatite. A dyke rock of worldwide distribution, well represented by the Whin Sill rock in N. England … Dictionary of automotive terms
