Theory that continents were once part of a single landmass that broke apart and have moved to their present locations

Theory that continents were once part of a single landmass that broke apart and have moved to their present locations.

• Theory that continents were once part of a single landmass that broke apart and have moved to their present locations.

• can drift apart from one another and have done so in the past

Pangaea is the name given to the single landmass that was present 200 million years ago

• Pangaea is the name given to the single landmass that was present 200 million years ago

Continents

• Continents

• “fit together”

• like puzzle

• pieces

Mountains

• Mountains

• Some mountain ranges on different continents seem to match.
• Ex: ranges in Canada match Norway and Sweden
• Ex: Appalachian Mtn. match UK mtn

Climatic evidence such as glaciers in areas that are now close to the Equator

• Climatic evidence such as glaciers in areas that are now close to the Equator

• Laser Geodynamics

• Satellite (LAGEOS)

Which way?

• Which way?

• 50 million years