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gabbro's Usage Examples:

The norite shifts from hypersthene to augite while the gabbro has abundant.

On the other hand, gabbro has more than 95% of its pyroxenes in the form of the monoclinic clinopyroxene/s.

Large anorthosite xenolith in ophitic ilmenite gabbro in Duluth.

mantle, overlain by massive gabbro, with dunite bodies left from mantle diapirs.

also, though less frequently, in syenites, diorites, quartz-diabases and gabbros.

Often, cumulate layers are polyminerallic, forming gabbro, norite and other rock types.

Most of the rocks, especially the gabbros and the sheeted dykes are good aquifers due to fracturing.

geological terms, black granite might be gabbro, diabase, basalt, diorite, norite, or anorthosite.

granites, gneisses, gabbros, amphibolites, mica schists and many other petrographical types.

in the lower crust and upper mantle, studies of metamorphism of oceanic gabbros from the East Pacific Rise to understand the timing and temperatures of.

slow cooling of magma beneath the surface and consists of coarse grained gabbros and cumulate ultramafic rocks.

It occurs as phenocrysts in alkalic volcanic rocks; in nodules of peridotite and gabbro in alkalic basalts; in syenites, monzonites and carbonatite.

Beiträge zur Kenntniss der Gabbros, Amphibolite und Serpentine des niederschlesischen Gebirges, 1884 – To the knowledge of gabbros, amphibolites and serpentines.