February 9, 2011

Plate tectonics

The key principle of plate tectonics is that t...Image via WikipediaUp Earth

Articles general

  • Continental drift - "Continental drift is the movement of the Earth's continents relative to each other." - Wikipedia
  • Mid-ocean ridge - "A mid-ocean ridge is general term for an underwater mountain system that consists of various mountain ranges (chains), typically having a valley known as a rift running along its spine, formed by plate tectonics." - Wikipedia
  • Plate tectonics - "The lithosphere [the rigid outermost shell of the earth] is broken up into what are called "tectonic plates". In the case of the Earth, there are currently seven to eight major and many minor plates... These plates move in relation to one another." - Wikipedia
  • Seafloor spreading - "Seafloor spreading is a process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge." - Wikipedia
Articles news & other

Up Earth

No comments:

Post a Comment

Share |