Geo: Magma & Faults

Front

What is magma that has forced its way into layers of sedimentary rock called?

Back

Intrusion

Front

What is the order of rock layers from oldest to youngest?

Back

E, C, B, D, A

Front

Using relative age dating, how do you order the rock layers from oldest to youngest?

Back

C, E, D, A, B

Front

Where are the youngest layers of rock always found?

Back

At the top

Front

What is the correct order of rock layers from oldest to youngest?

Back

F, E, D, C, B, A

Front

Define 'fault' in geology.

Back

A fault is a fracture or zone of fractures between two blocks of rock.

Front

What is a 'fold' in geological terms?

Back

A fold is a bend in rock layers that occurs due to stress.

Front

Explain what 'unconformity' means in geology.

Back

An unconformity is a surface that represents a gap in the geological record.

Front

What is relative age dating?

Back

Relative age dating is a method used to determine the age of rocks and fossils in relation to one another.

Front

What does the Law of Superposition state?

Back

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