Foliation (geology) (Petrology 💎)

Foliation in geology refers to repetitive layering in metamorphic rocks. Each layer can be as thin as a sheet of paper, or over a meter in thickness. The word comes from the Latin folium, meaning "leaf", and refers to the sheet-like planar structure. It is caused by shearing forces, or differential pressure. The layers form par...

https://en.wikipedia.org/wiki/Foliation_(geology)

#Foliation #Petrology #MetamorphicRocks #StructuralGeology #MetamorphicPetrology