Relative Age Dating

Front

What is Relative Dating?

Back

A method used to determine whether an object is older or younger than other objects.

Front

Which layer is older: Intrusion M or Layer D?

Back

Layer D is older than Intrusion M.

Front

Which rock layer in a diagram is typically the oldest?

Back

The bottom layer is usually the oldest.

Front

What does the presence of a fossil in a rock layer indicate?

Back

The rock layer containing the fossil is older than the layers above it.

Front

What is the oldest type of rock?

Back

Conglomerate is often considered one of the oldest types of sedimentary rock.

Front

What is an Unconformity?

Back

A gap in the geological record that indicates a period of erosion or non-deposition.

Front

What is the Law of Superposition?

Back

In undisturbed sedimentary rock layers, the oldest layers are at the bottom and the youngest are at the top.

Front

What is a Fossil?

Back

The preserved remains or traces of ancient organisms.

Front

What is an Intrusion in geology?

Back

An intrusion is a body of igneous rock that has formed from magma that has cooled and solidified beneath the Earth's surface.

Front

How can you determine the relative age of rock layers?

Back

By examining their position, fossils, and any geological features like intrusions or unconformities.