Hand Sample Missing
Thin Section Missing

Phonolitic Foidite

IUGS Definition ( QAPF Chart )

Phonolitic Foidite: “A collective term for alkaline volcanic rocks consisting of foids with some alkali feldspar. If possible the most abundant foid should be used in the name, e.g. phonolitic nephelinite, phonolitic leucitite.”
Photos
Chemistry
Typical Minerals
  • MINERAL
  • MINERAL
  • MINERAL
  • MINERAL
  • ACCESSORY MINERALS