Superposition is the principle that states that, in undisturbed strata, newer layers will be deposited over older layers; thus, in a core sample, those samples of earth and rock nearest the surface...
The Law of Superposition in geology states that "Sedimentary layers are deposited in a time sequence, with the oldest on the bottom and the youngest on the top."Most sedimentary rocks show evidence...
In the rock layer, the layer at the bottom is the oldest... the one on top of it is youngest rock. Later one sediments can be brought to the top of the rock by weathering and erosions and then after...