Hornblendite Hand Sample
Hornblendite Thin Section

Hornblendite

IUGS Definition ( Gabbroic Rocks with Hbl Chart )

Hornblendite: "An ultramafic plutonic rock composed almost entirely of hornblende."
Typical Minerals
  • hornblende
  • accessory minerals: pyroxene, plagioclase feldspar; andesine, oligoclase