What are relative age dating principles?

Relative Dating Principles 1: Lower strata are older than those lying on top of them. Principle of Superposition: In an otherwise undisturbed sequence of sedimentary strata, or rock layers, the layers on the bottom are the oldest and layers above them are younger.

What are the rules of relative dating?

SummarySediments are deposited horizontally. This is original horizontality.The oldest sedimentary rocks are at the bottom of the sequence. This is the law of superposition.Rock layers are laterally continuous. Rock B cuts across rock A. A gap in a rock sequence is an unconformity.Jul 3, 2019