#Geology #Tuff #Volcano #Hydrovolcanism #Palagonite
#EruptionStyle #TuffCone #Rocks #Pyroclastic #Geoscience

Eastern Klamath County, #Oregon volcanic eruption that transitions from explosive hydrovolcanism to classic cinder cone eruptive styles as rising magma initially encounters groundwater and/or shallow surface water, then either seals itself from those waters as eruption proceeds, or the water was consumed by the eruption.