7th; Relative Dating Flashcards
1
Q
Relative Dating
A
Determining whether an object or event is older or younger than other objects or events.
2
Q
Superposition
A
The law of superposition is the principle that states that younger rocks lie above older rocks if the layers have not been disturbed.
3
Q
Unconformity
A
An uncomformity is a break in the geological record that is made when rock layers are eroded or when sediment is not deposited for a long period of time.
4
Q
Fossil
A
Fossils are the traces or remains of an organism that lived long ago, most commonly preserved in sedimentary rock.
5
Q
Geological Column
A
A geological column is an ordered arrangement of rock layers that is based on the relative ages of the rocks, with the oldest rocks at the bottom of the column.
