#Serpentine minerals: low temperature #lizardite, high temperature #antigorite transport water into the mantle and lubricate the subduction channel; they're why we have subduction and also facilitate the return of some eclogites back up to the surface.

The Gros Morne #ophiolite of western #Newfoundland. Alligator skin motif coincidental. #MinCup23 #EarthSystemScience field trip to Newfoundland, 2022. #McGillUniversity #geology