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".
17
2
0
0