By Teena Della To the tune of “Joy to the World” Relative Dating Karaoke By Teena Della To the tune of “Joy to the World”

Relative time! Compares two things

To see which one’s older.

The law of superposition – oldest is on the bottom Youngest Oldest The law of superposition – oldest is on the bottom

If rocks are not overturned

If rocks are not overturned

If rocks, if rocks are not overturned.

Relative time! Sequences things

With no specific age.

Cross-cutting relationships – faults and dikes are younger

Than the layers they cut across

Than the layers they cut across

Than the layers, the layers they cut across.

Relative time! Is much cheaper

Than absolute dating.

Included fragments or xenoliths

Are older than the rock

Are older than the rock

Are older, older than the rock.

Relative time! Is not complete

Some layers may be missing ? Some layers may be missing

Unconformity – is missing time

If layers have disappeared

If layers have disappeared.

If layers, if layers have disappeared.