• Geological History & Rock Layers
     Help
  • What do sediments form over time?
    Horizontal layers
  • According to the Law of Superposition where are the oldest rocks?
    At the bottom
  • According to the Law of Superposition where are the youngest rocks?
    At the top
  • Unlock this slideshow and over 4 million more with Baamboozle+
    Try slideshows
  • Your experience on this site will be improved by allowing cookies.