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Flashcards in Relative Time Deck (7)
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1

What is the Law of Superposition?

In an undisturbed sequence of layers, the oldest layer will always be at the bottom.

2

What is the Cross-Cutting Law?

Any feature that cuts across a body of sediments is younger than the body of sediment or rock that it cuts across.

REMEMBER! THE CUCUMBER CAME BEFORE THE KNIFE :D

3

Define fracture

A crack in the rock.

4

Define fault.

A fracture along which movement has occured.

5

What is the Law of Inclusions?

If one rock body contains fragments or another rock body, it must be younger than the fragments or rock it contains.

Basically: The inclusions are older than the rocks that contains them.

6

Define dike.

A rock wall.

7

Define sill.

A horizontal dike.