melt-accumulation along a ductile shear zone. Praia das Conchas
PhotoID566
melt-accumulation along a ductile shear zone. Praia das Conchas
PhotoID566
Photograph: Cees Passchier
melt-accumulation along a ductile shear zone. Praia das Conchas
PhotoID566
melt-accumulation along a ductile shear zone. Praia das Conchas
PhotoID566
Photograph: Cees Passchier