Superposition Flashcard

Front

The Law of Superposition helps scientists to determine what?

Back

The relative age of rock layers

Front

How old do Paleontologists believe the Earth is?

Back

4.6 billion years old

Front

According to the law of superposition, where are the oldest fossils found?

Back

Near the bottom of the rock layers

Front

Which rock layer in the diagram seems to be the oldest? Options: F, E, B, A

Back

A

Front

What can scientists learn from the sequence of rock layers?

Back

Geologic history of that area

Front

This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?

Back

Sedimentary

Front

According to the law of superposition, which layer is the youngest?

Back

A

Front

Which type of dating method can be used on rock layers by applying the Law of Superposition?

Back

relative dating

Front

The ________ states that layers of sediment were originally deposited horizontally under the action of gravity.

Back

law of horizontality 

Front

What geologic feature states that the feature which cuts another is the younger of the two features?

Back

cross cutting relationships