Hand Sample Missing
Thin Section Missing

Quartz Alkali Feldspar Trachyte

IUGS Definition ( QAPF Chart )

Quartz Alkali Feldspar Trachyte: “A felsic volcanic rock composed mainly of alkali feldspar, quartz and mafic minerals.”
Typical Minerals
  • MINERAL
  • MINERAL
  • MINERAL
  • MINERAL
  • ACCESSORY MINERALS