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Rhyolite vs Felsite - What's the difference?

rhyolite | felsite |

In geology terms the difference between rhyolite and felsite

is that rhyolite is an igneous, volcanic (extrusive) rock, of felsic composition, with aphanitic to porphyritic texture while felsite is any light-colored volcanic rock whose true mineralogy is not yet determined.

rhyolite

English

Noun

(wikipedia rhyolite)
  • (geology) An igneous, volcanic (extrusive) rock, of felsic composition, with aphanitic to porphyritic texture.

    • Derived terms

    * rhyolitic

    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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