The Earth is made up of different layers: Therefore, instead of tectonic plates moving because of the convection currents, evidence suggests it is the plates that drive the convection. Slab pull ...

There are no volcanoes at this type of boundary as melting of the rock does not occur. An example of this type of boundary is the San Andreas fault, California.

Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But do other planets in the solar system have them too?

A subset of those, known as S-type zircons, can reveal the presence of plate tectonics. These particular zircons are crystals that form in sedimentary rocks on land, then get pushed into the ...

According to current theories about plate tectonics, there should not be subducted ... could generate the observed speeds of the different types of waves. Basically, we have to delve into the ...