Crossword clues for gabbro
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.
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). Related: Gabbroic.
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.
WordNet
n. one of a family of granular intrusive rocks
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 of the Earth's oceanic crust is made of gabbro, formed at mid-ocean ridges. Gabbro is also found as plutons associated with continental volcanism. Due to its variant nature, the term "gabbro" may be applied loosely to a wide range of intrusive rocks, many of which are merely "gabbroic".
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.