Definition of Gabbro. Meaning of Gabbro. Synonyms of Gabbro

Here you will find one or more explanations in English for the word Gabbro. Also in the bottom left of the page several parts of wikipedia pages related to the word Gabbro and, of course, Gabbro synonyms and on the right images related to the word Gabbro.

Definition of Gabbro

Gabbro
Gabbro Gab"bro, n. [It.] (Geol.) 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).

Meaning of Gabbro from wikipedia

- Gabbro ( /ˈɡæbroʊ/) is a phaneritic (co****-grained), mafic intrusive igneous rock formed from the slow cooling of magnesium-rich and iron-rich magma into...
- amphibole, and biotite. Common mafic rocks include basalt, diabase and gabbro. Mafic rocks often also contain calcium-rich varieties of plagioclase feldspar...
- The Swift Current Gabbro is a formation cropping out in Newfoundland....
- making it the most plentiful category. Of these, 66% are basalts and gabbros, 16% are granite, and 17% granodiorites and diorites. Only 0.6% are syenites...
- lavas above. High level intrusives: isotropic gabbro, indicative of fractionated magma chamber. Layered gabbro, resulting from settling out of minerals from...
- fractional crystallization), typically forming (1) gabbro, diorite, tonalite and granite or (2) gabbro, diorite, syenite and granite. If magma resides in...
- Norway. Norite also known as orthopyroxene gabbro. Norite may be essentially indistinguishable from gabbro without thin section study under the petrographic...
- diorites, whereas ores of chromium and platinum are commonly ****ociated with gabbros. In terms of modes of occurrence, igneous rocks can be either intrusive...
- chemical composition of diorite is intermediate, between that of mafic gabbro and felsic granite. Diorite is usually grey to dark-grey in colour, but...
- portion of this unit, named the Glen Mountains Layered Complex, consists of gabbro, anorthosite and troctolite. Recent high-precision dating yields an age...
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