Sometimes, an area where layers of sediments have been deposited
is uplifted, and the surface experiences erosion. If more
layers of sediments are subsequently added on top of this
erosion surface, the resulting feature is called an unconformity.
the image and the legend below it. Use the principles of relative
dating to interpret the sequence of events that would result
in this set of layers. Drag the numbers onto the diagram to
indicate the order in which the layers formed.