I'm back in Hawaiʻi
And here is a titaniferous #augite glomerocryst with #olivine ingrowths

Koko Rift, #Honolulu #Volcanics
#Oʻahu, #Hawaiʻi

#geoscience #clinopyroxene #mineral #titanaugite #geology

Chrome diopside vein in peridotite mantle xenolith.

San Carlos Volcanic Field, San Carlos Apache Reservation, Arizona

#peridotite #xenolith #lherzolite #geology #geoscience #chromediopside #pyroxene #clinopyroxene #Volcano

⚒️🌋📜 We have a new EarthArXiv #preprint available! Temporal evolution of the plumbing system beneath #CumbreVieja #LaPalma through #Clinopyroxene chemistry from three historical eruptions (including #Tajogaite, of course!), led by @albertocaracciolo.bsky.social

doi.org/10.31223/X5V...

Metamorphic diopside 😍
Alta Stock, Wasatch Mountains, Utah

#geoscience #geology #diopside #clinopyroxene #mineral #utah

Titaniferous #augite
Koko Rift, #Honolulu #Volcanics
#Oʻahu, #Hawaiʻi

#geoscience #clinopyroxene #mineral #titanaugite #geology

Peridotite (dunite) mantle xenolith and clinopyroxene xenocrysts hosted in melilite nephelinite tuff.
Moanalua vent, Honolulu Volcanics, Koʻolau, Oʻahu, Hawaiʻi

#geoscience #geology #dunite #volcanology #volcano #mantle #xenolith #xenocryst #peridotite #Hawaii #clinopyroxene

Titaniferous #augite with #olivine ingrowths
Koko Rift, #Honolulu #Volcanics
#Oʻahu, #Hawaiʻi

#geoscience #clinopyroxene #mineral #titanaugite #geology

Titaniferous #augite and #olivine phenocrysts in #basanite
Koko Rift of the #Honolulu #Volcanics
#Oʻahu, #Hawaiʻi

#geoscience #clinopyroxene #mineral

Currently at the Koko Rift of the #Honolulu #Volcanics

1. #olivine phenocrysts in #basanite

2. Titaniferous #augite #clinopyroxene in basanite

3. Accidental fragment of Koʻolau
#Basalt in tuff

3. Fragment of #coral, this vent erupted through #reef

#geoscience #geology #volcanology
#volcano

For #ThinSectionThursday one I snapped at one of the annual #OUGS Severnside microscope weekends in Aberystwyth (2016). My notes say " #Kentallenite, XP, melanocratic monzonite, part of the Appinite suite of rocks. #Clinopyroxene, #olivine, alkali and plagioclase #feldspar".

For #ThinSectionThursday one I snapped at one of the annual #OUGS Severnside microscope weekends in Aberystwyth (2016). My notes say " #Kentallenite, XP, melanocratic monzonite, part of the Appinite suite of rocks. #Clinopyroxene, #olivine, alkali and plagioclase #feldspar".

Pink corundum, green cpx

Pink #corundum with green #clinopyroxene in thin section (plane light, 2 mm FOV), Berit metaophiolite, Türkiye, #MinCup24

Pink corundum with green cpx

#corundum in a petrographic thin section (plane light), with green #clinopyroxene, field of view ~2 mm, Doğanşehir, Türkiye, #MinCup24