Which Rock is Oldest?

by Andy Monroe

Aren't All Rocks the Same Age?

No! Common misconception: Rocks are different ages!

Limestone

Timeline

Quartz

Timeline

Boulders

Timeline

Plastic Rocks

Timeline

Not Rocks

Granite

Timeline

Not Rocks

The Rock

Timeline

Not Rocks

Fossils

Timeline

Not Rocks

Sand

Timeline

Not Rocks

The Moon

Timeline

Not Rocks

Which Rock is Oldest?

Which Rock is Oldest?

Sand!