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Diorite vs Felsite - What's the difference?

diorite | felsite |

As nouns the difference between diorite and felsite

is that diorite is a grey intrusive igneous rock composed mostly of plagioclase feldspar, biotite, hornblende and/or pyroxene while felsite is a fine grained volcanic extrusive rock, generally light in color, composed of felsic minerals.

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

    felsite

    English

    (wikipedia felsite)

    Noun

    (en noun)
  • (mineral) A fine grained volcanic extrusive rock, generally light in color, composed of felsic minerals.
    • The buff-colored dacites of the Superstition Mountains are felsites .
  • (geology) Any light-colored volcanic rock whose true mineralogy is not yet determined.

    • Synonyms

    * eurite

    Anagrams

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