Geologic Record: Absolute and Relative Dating Flashcard

Front

Absolute age is defined as:

Back

The age of rock determined by radiometric dating.

Front

The age of a rock compared to the ages of other rocks is the rock's

Back

relative age

Front

According to the law of __________, in horizontal sedimentary rock layers the oldest layer is at the bottom and the youngest layer is at the top.

Back

Superposition

Front

Which of the following correctly lists the layers in order from oldest to youngest? Options: A, B, C, D, E, E, B, C, D, A, E, D, C, B, A, C, B, A, D, E

Back

E, B, C, D, A

Front

Which rock layer or intrusion is the youngest? Options: A, B, C, D

Back

D

Front

How old do Paleontologists believe the Earth is?

Back

4.6 billion years old

Front

What is the term used to identify a scientist who studies fossils?

Back

Paleontologist

Front

Which rock layer in the diagram seems to be the oldest?

Back

A

Front

Trilobites are good index fossils because....

Back

abundant, widespread geographically, and only lived a short time

Front

Letter "F" is a....

Back

fault