Relative Dating

States that younger rocks lie above older rocks if the layers have not been disturbed

• Law of crosscutting
• Law of superposition
• Relative Dating
• Unconformity

What are the relative ages of the features in order from oldest to youngest?

• Limestone, Basalt, Fault, Siltstone
• Siltstone, Fault, Basalt, Limestone
• Limestone, Fault, Basalt, Siltstone
• Limestone, Siltstone, Fault, Basalt

Which of the following is the oldest?

• Layer L
• Intrusion D
• Intrusion H
• Layer E

Letter "F" is a....

• inclusion
• intrusion
• fault
• unconformity 

What is the most recent event?

• E

• B

• C

• D

What rock in the Oldest?

• Conglomerate

• Shale

• Breccia

• Sandstone

What is the most recent event to happen?

• A

• B

• C

• D

Used to determine whether an object is older or younger than other objects

• Superposition
• Relative Dating
• Fossil
• Unconformity

Index fossils are used to determine:

• How old a rock layer is
• How organisms in the past were related to each other
• The composition of a rock layer
• Which rock layers in different areas are the same age

Traces or remains of organisms that lived long ago

• Fossil
• Unconformity
• Superposition
• Column