Relative Dating

Front

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

Back

Relative Dating

Front

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

Back

Law of superposition

Front

A break in the geologic record that is made when rock layers are eroded over a long period of time

Back

Unconformity

Front

Traces or remains of organisms that lived long ago

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Fossil

Front

What is the law of superposition?

Back

Sedimentary rock in its original position is older than layers above it.

Front

How does the law of crosscutting explain the age of a fault?

Back

The fault is younger than the rocks it cuts through.

Front

How do geologists use relative dating?

Back

Placing rocks in order from youngest to oldest

Front

What are the relative ages of the features in order from oldest to youngest? Limestone, Basalt, Fault, Siltstone

Back

Limestone, Siltstone, Fault, Basalt

Front

Relative dating of rock layers tells us that the deeper we dig, _______.

Back

the older the rocks get

Front

The Law of Superposition helps scientists to determine what?

Back

The relative age of rock layers