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Diorite vs Andesite - What's the difference?

diorite | andesite |

As nouns the difference between diorite and andesite

is that diorite is a grey intrusive igneous rock composed mostly of plagioclase feldspar, biotite, hornblende and/or pyroxene while andesite is a class of fine-grained intermediate igneous rock, of volcanic origin, containing mostly plagioclase feldspar.

diorite

English

(wikipedia diorite)

Noun

(en noun)
  • (rock) A grey intrusive igneous rock composed mostly of plagioclase feldspar, biotite, hornblende and/or pyroxene.

    • Derived terms

    * dioritic * granodiorite * microdiorite

    andesite

    English

    Noun

    (wikipedia andesite) (en noun)
  • (geology) A class of fine-grained intermediate igneous rock, of volcanic origin, containing mostly plagioclase feldspar.

    • Derived terms

    * andesitic ----