pg. 250-255 ?'s 1-5

1) Discuss how to find the oldest paper in a stack of papers? They are undisturbed and on the bottom.

2) Explain the concept of relative age? It is the age of something in comparison to the ages of other things.

3) Illustrate a disconformity? A layer of horizontal rock once exposed and eroded

4) Describe one way to correlate similar rock layers? One way to correlate similar rock layers is to match up layers of rock over great distances.

5) Explain the relationship between the concept of relative age and the principle of superposition. Relative age is the age of something in comparison to the ages of other things. The Principle of superposition is that the oldest rocks are on the bottom and the rocks become younger toward the top.