Hand Sample Missing
Thin Section Missing

Foid-Bearing Monzodiorite

IUGS Definition ( QAPF Chart )

Foid-Bearing Monzodiorite: “A collective term for monzodiorites containing small amounts of feldspathoids (less than 10% of the felsic minerals).”
Typical Minerals
  • intermediate plagioclase: andesine or calcic oligoclase
  • orthoclase feldspar
  • hornblende
  • biotite
  • feldspathoids
  • pyroxene