Definition of porphyritic in English:

porphyritic

Line breaks: por¦phy|rit¦ic
Pronunciation: /ˌpɔːfɪˈrɪtɪk
 
/

adjective

Geology
Relating to or denoting a rock texture containing distinct crystals or crystalline particles embedded in a compact groundmass.
More example sentences
  • Coarser fractions additionally contain volcanic clasts of vesicular and porphyritic lava, tuff and pumice.
  • These crystals eventually form the phenocrysts found in porphyritic rocks.
  • The original porphyritic texture with plagioclase phenocrysts is still recognizable.

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