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Diorite vs. Granodiorite — What's the Difference?

Diorite vs. Granodiorite — What's the Difference?

Difference Between Diorite and Granodiorite

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Diorite

Diorite ( DY-ə-ryte) is an intrusive igneous rock formed by the slow cooling underground of magma (molten rock) that has a moderate content of silica and a relatively low content of alkali metals. It is intermediate in composition between low-silica (mafic) gabbro and high-silica (felsic) granite.
May 25, 2022

Granodiorite

Granodiorite () is a coarse-grained (phaneritic) intrusive igneous rock similar to granite, but containing more plagioclase feldspar than orthoclase feldspar. The term banatite is sometimes used informally for various rocks ranging from granite to diorite, including granodiorite.
May 25, 2022

Diorite

Any of various dark, granite-textured, crystalline rocks rich in plagioclase feldspar and having little quartz.
May 25, 2022

Granodiorite

A coarse-grained igneous rock consisting primarily of quartz, plagioclase feldspar, and potassium feldspar, and also containing biotite, hornblende, or pyroxene.
May 25, 2022

Diorite

(rock) A grey intrusive igneous rock composed mostly of plagioclase feldspar, biotite, hornblende and/or pyroxene.
May 25, 2022
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Granodiorite

(rock) An intrusive igneous rock similar to granite, but containing more plagioclase than potassium feldspar.
May 25, 2022

Diorite

An igneous, crystalline in structure, consisting essentially of a triclinic feldspar and hornblende. It includes part of what was called greenstone.
May 25, 2022

Diorite

A granular crystalline intrusive rock
May 25, 2022

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