Hand Sample Missing
Thin Section Missing

Alkali Feldspar Trachyte

IUGS Definition ( QAPF Chart )

Alkali FeldsparTrachyte: “A special term for a variety of trachyte in which plagioclase is less than 10% of the total feldspar.”
Typical Minerals
  • MINERAL
  • MINERAL
  • MINERAL
  • MINERAL
  • ACCESSORY MINERALS