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One of a family of granular intrusive rocks
Answer for the clue "One of a family of granular intrusive rocks ", 6 letters:
gabbro
Word definitions for gabbro in dictionaries
Wikipedia
Word definitions in Wikipedia
Gabbro refers to a large group of dark, often phaneritic (coarse-grained), mafic intrusive igneous rocks chemically equivalent to basalt . It forms when molten magma is trapped beneath the Earth 's surface and slowly cools into a holocrystalline mass. Much ...
Wiktionary
Word definitions in Wiktionary
n. (context rock English) A name originally given to a kind of serpentine, and now generally used for a coarsely crystalline, igneous rock consisting of lamellar pyroxene and labradorite.
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Euphotide \Eu"pho*tide\, n. [Gr. e'y^ well + ?, ?, light. So called because of its pleasing combination of white and green.] (Min.) A rock occurring in the Alps, consisting of saussurite and smaragdite; -- sometimes called gabbro .
WordNet
Word definitions in WordNet
n. one of a family of granular intrusive rocks
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
type of igneous rock, 1823, introduced in geology 1809 by German geologist Christian Leopold von Buch (1774-1853), from Italian (Tuscan) gabbro , a word among the marble-workers, of obscure origin; perhaps from Latin glaber "bare, smooth, bald" (see glad ...
Usage examples of gabbro.
The viajeras and Gabbro politely looked away as the headwoman unwound the cord and read it: it could be private kin news, or trata business.
It looks like a terrestrial volcanic rock, perhaps a gabbro, but it seems to have been formed by multiple lava flows, over time.
Sgeir Mhor were black volcanic gabbro, hard as granite, smooth and unbroken for long stretches.
I was ashore in the dark womb of those gabbro cliffs and no sign of Iain.
Like labradorite and anorthite, it is a common constituent of basic igneous rocks, such as gabbro and basalt.
Like enstatite, bronzite is a constituent of many basic igneous rocks, such as norites, gabbros, and especially peridotites, and of the serpentines which have been derived from them.