Recently, in the History Channel there was a documentary named “How the Earth Was Made”. This documentary was about the movement of the earth’s crust and the explanations around the “Plate Tectonics” theory. It was a two season series that in each episode, looked at some mysterious or unexplained earth structures and tried to explain them with the “Plate Tectonics” theory.
It is an incredible subject. According to this theory, earth’s crust is made up from distinct plates. These plates are in motion. Imagine that the plates are moving, bumping to each other and creating mountains and changing the world climate.
Just watch the documentary and you will learn a lot from it, at least some explanations for the geography that seem unbelievable to the naked eye.
We can give examples of the movement and the effects of it. Plate tectonics explains the Himalaya Mountain Ranges with the moving plates. According to it, the Indian Subcontinent once was together with the African Plate and after they separated, it crushed to the Asian Plate. Two plates are now pressing each other. From this the Himalaya Mountains are born. The pressure still continues and the Everest is still rising up a couple inches a year.
It also explains some of the earthquakes and the creation of the volcanoes in the Belt of Fire or elsewhere. The concept of a hot point is a curious thing which caused the creation of Hawaiian Islands.
According to the theory, what makes the plates move is the inner pressure of the molten rocks, the magma.
If you think that way, everything seem to fit perfectly.
But there is another theory. Instead of the moving plates, this theory tries to explain the changes in the earth’s crust with the Expanding Earth theory. According to it, the process of the changes are the result of the expanding earth.
Expanding Earth and the Pangaea Theory
Plate Tectonics and the Expanding Earth