Dunite and troctolite xenoliths hosted by hawaiitevand closeup of dunite olivines
Laupāhoehoe Volcanics, Mauna kea

#geology #geoscience #volcano #hawaii #maunakea #xenolith #peridotite #dunite #troctolite #olivine

Is this xenolith an orthopyroxene-bearing troctolite or a plagioclase-bearing olivine websterite? 😭 I'll have to not forgot my loupe again when back in January.

Kaʻūpūlehu Flow Field, Hualālai Volcanics, Hualālai, Hawaiʻi

#xenolith #mafic #ultramafic #troctolite #websterite #geoscience #geology