An unconformity is found in a geologic cross section. what does this indicate happened in this area? deformation erosion an earthquake deposition

The unconformity that is found in a geological cross section indicates that in this area erosion happened.

Erosion is a natural process in which the surface of the Earth (soil, rock, or dissolved material) gets worn down.

The cause for erosion can be wind, water, glacier ice or other natural element.