For Gabbro we have terms and definitions in 5 topics. The topics are Geologic, Physical Geography, Planetary Science, Science and Volcano.

Gabbro (Geologic)

A dark, coarse-grained intrusive igneous rock. Gabbro is made of calcium-rich plagioclase, with amphibole and/or pyroxene, and is chemically equivalent to basalt.

Gabbro (Physical Geography)

An intrusive igneous rock that develops from mafic magma and whose mineral crystals are coarse. Mineralogically this rock is identical to basalt.

Gabbro (Planetary Science)

A course-grained igneous rock rich in the minerals olivine, pyroxene, and plagioclase feldspar.

Gabbro (Science)

A coarse-grained mafic igneous rock.

Gabbro (Volcano)

A coarse-grained rock composed of greenish-white feldspar (mostly plagioclase) and pyroxene. Gabbro is usually very dark in color. It is the intrusive equivalent of basalt. An intrusive igneous rock. (Plank and Schenck, 1998)

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