The Theory of Plate Tectonics
Plates of The Earth Separating
The theory of plate tectonics explains that when the plates of earth come in contact with each other the slowly move around and above the mantle below . This theory has provided geology with a simple way to explain "How The Earth Works."This was formed in the 60's and 70's as new info was found about the nature of the ocean floor,Earths magnetism,the distribution of volcanoes and earthquakes, the flow of heat from Earth's interior and the worldwide distribution of plant and animal fossils.