vitrophyre

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English

[edit]

Pronunciation

[edit]
  • IPA(key): /ˈvɪtɹəfaɪə(ɹ)/

Noun

[edit]

vitrophyre (countable and uncountable, plural vitrophyres)

  1. A porphyritic variety of volcanic glass.
    • 1986, Eric H. Christiansen, The Geology and Geochemistry of Cenozoic Topaz Rhyolites, page 5:
      The compositions of felsites and vitrophyres are similar but felsites have higher K/Na ratios than their corresponding vitrophyres.

Derived terms

[edit]