noun, plural gab·bros.Petrology.
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Origin of gabbro
OTHER WORDS FROM gabbrogab·bro·ic [guh-broh-ik], /gəˈbroʊ ɪk/, gab·bro·it·ic, adjectivegab·broid [gab-roid], /ˈgæb rɔɪd/, adjective
Words nearby gabbro
How to use gabbro in a sentence
Peridotite and gabbro form much of the eastern peninsula (Banggai).
Gabbro, a typical basic rock, corresponds to basalt in chemical composition.
The gneisses appear to be due in many cases to the crushing and shearing of deep-seated igneous rocks, such as granite and gabbro.
The one exception is on Caribou Ridge, which is capped by a much altered gabbro.The Long Labrador Trail|Dillon Wallace
These volcanic materials are pierced by serpentine, gabbro and granite.