Plate tectonics
Earths lithosphere is made up of upper mantle. The earths lithosphere is broken into separate sections and it is called as tectonic plates or plate tectonics.
plate tectionics theory......................:-)
plate tectonic theory
plate tectonic theory
Tectonic Plates
Tectonic Plates
Earth's crust is broken into sections called tectonic plates. They each float on the mantle, as part of the Earth called the lithosphere. Each is separated by highly seismic regions that usually spawn volcanoes. One of which is the Ring of Fire in the Pacific.
The crust and uppermost hard rocky mantle, together, is known as the lithosphere, which is above the plastic-like upper mantle area known as the asthenosphere.
isostasy
what causes the earths tectonic plates to move
the convection currents in the mantle under the earths curst is moving the broken plates in earths lithosphere causing the plates slide across the lithosphere. this process is called tectonics. (jon lay wrote this,)
Isostasy.