Igneous Rocks
The law that states in undisturbed rock layers older rocks are on the bottom and younger rocks are on top.
What is the Law of Superposition.
The youngest rocks are near
The top of the rock layers.
Fossils that are widely spread across different areas and lived a short time are known as _______?
Index fossils
The surface where new rock layers meet a much older surface beneath them.
Unconformity