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Norite vs. Gabbro — What's the Difference?

Norite vs. Gabbro

Difference Between Norite and Gabbro

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Norite

Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine. The name norite is derived from Norge, the Norwegian name for Norway.Norite also known as orthopyroxene gabbro.
Jul 29, 2022

Gabbro

Gabbro () is a phaneritic (coarse-grained), mafic intrusive igneous rock formed from the slow cooling of magnesium-rich and iron-rich magma into a holocrystalline mass deep beneath the Earth's surface. Slow-cooling, coarse-grained gabbro is chemically equivalent to rapid-cooling, fine-grained basalt.
Jul 29, 2022

Norite

See gabbro.
Jul 29, 2022

Gabbro

A usually coarse-grained igneous rock composed chiefly of pyroxene and calcic plagioclase feldspar. Also called norite.
Jul 29, 2022

Norite

A granular crystalline rock consisting essentially of a triclinic feldspar (such as labradorite) and hypersthene.
Jul 29, 2022
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Gabbro

(rock) Originally, a kind of serpentine; now generally a coarsely crystalline, igneous rock consisting of lamellar pyroxene and labradorite.
Jul 29, 2022

Norite

A granular crystalline rock consisting essentially of a triclinic feldspar (as labradorite) and hypersthene.
Jul 29, 2022

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).
Jul 29, 2022

Gabbro

One of a family of granular intrusive rocks
Jul 29, 2022

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