Whatever drives the movement, plate tectonic activity takes place at four types of boundaries: divergent boundaries, where new crust is formed; convergent boundaries, where crust is consumed ...

The tiny Juan de Fuca plate is largely responsible for ... The movement of the plates creates three types of tectonic boundaries: convergent, where plates move into one another; divergent, where ...

Seismic waves from earthquakes have always offered a window into Earth’s hidden interior. For decades, researchers believed ...

Four types of plate tectonic activity are demonstrated in this feature. Keep an eye on the map to see where in the world the activity takes place. Also known as spreading boundary, a divergent ...

When the plate sinks into the mantle it melts to form magma. The pressure of the magma builds up beneath the Earth's surface. The magma escapes through weaknesses in the rock and rises up through ...

In this type of fault, the block of rock above the fault plane, known as the hanging wall, moves downward relative to the block below, called the footwall. Normal faults are typically found at ...

Recent discoveries offer deeper insight into the movement of tectonic plates. New research has found that variations in rock ...

These are to be given numbers like boundary type 1, boundary type 2, etc. They are not to use plate tectonic terminology. Ask them to write a description of how they identified their plate ...

According to plate tectonics theory, Earth's outer shell is divided into multiple plates that slowly glide over the mantle. This slowly changes Earth's surface over time by merging, or separating ...

Plate tectonic theory shows that the crust of ... Earthquakes are very common at this type of boundary as the mountains are pushed upwards by the force of the plates' movement.

Plate tectonics is relatively new, put forth in the last 30 years or so — its forerunner was the now-discarded continental drift theory. The theory states that Earth's outer shell is made up of ...