rhyolite

/ˈraɪəlaɪt/

Definitions

1. noun

A type of igneous rock that is light in color and has a porphyritic texture, often containing large crystals of feldspar.

“The geologist studied the unique properties of the rhyolite rock formation in the national park.”

2. noun

A type of volcanic rock that is rich in silica and has a glassy texture.

“The rhyolite deposits were found in the volcanic region, and geologists were interested in studying their composition.”

Synonyms

  • felsite
  • porphyry

Antonyms

  • basalt
  • gabbro