What are plate margins?
Plate margins are the edges of the plates, where all the power of nature is released in earthquakes and volcanoes. There are three main types of plate margins: -
Spreading Boundaries
There are two types of spreading boundary
Ridges, where new rock is formed, pushing the plates apart, and Rift, where the plates pull apart, and the earth between them sinks.
On the ocean floor the plates are spreading. All along the mid ocean ridge, volcanic activity is pouring new lava out onto the seabed. …
