Definitions for gabbroˈgæb roʊ
This page provides all possible meanings and translations of the word gabbro
Random House Webster's College Dictionary
a dark granular igneous rock composed essentially of labradorite and augite.
Origin of gabbro:
1835–40;< It; akin to L glaber smooth
one of a family of granular intrusive rocks
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.
Origin: From gabbro.
a name originally given by the Italians to a kind of serpentine, later to the rock called euphotide, and now generally used for a coarsely crystalline, igneous rock consisting of lamellar pyroxene (diallage) and labradorite, with sometimes chrysolite (olivine gabbro)
Gabbro refers to a large group of dark, coarse-grained, intrusive mafic igneous rocks chemically equivalent to basalt. The rocks are plutonic, formed when molten magma is trapped beneath the Earth's surface and cools into a crystalline mass. The vast majority of the Earth's surface is underlain by gabbro within the oceanic crust, produced by basalt magmatism at mid-ocean ridges.
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