Bushveld Gabbronorite Hand Sample
Gabbronorite Thin Section XPL

Gabbronorite

IUGS Definition ( Ol Gabbroic Rocks ) ( Hbl Gabbroic Rocks )

Gabbronorite: "A collective name for a plutonic rock consisting of calcic plagioclase and roughly equal amounts of clinopyroxene and orthopyroxene."
Photos
Typical Minerals
  • calcic plagioclase feldspar: anorthite, bytownite, labradorite
  • clinopyroxene: augite
  • orthopyroxene: enstatite to bronzite
  • accessory minerals: olivine, hornblende, biotite, apatite, ilmenite, magnetite