Is The Crust Near A Divergent Boundary Older Or Younger Than The Crust Farther Away From The Boundary?

What does a transform boundary cause?

This is known as a transform plate boundary.

As the plates rub against each other, huge stresses can cause portions of the rock to break, resulting in earthquakes.

Places where these breaks occur are called faults.

A well-known example of a transform plate boundary is the San Andreas Fault in California..

What are the 2 types of divergent boundaries?

There are two types of divergent boundaries, categorized by where they occur: continental rift zones and mid-ocean ridges.

What are the three types of boundaries?

There are three main types of plate boundaries:Convergent boundaries: where two plates are colliding. Subduction zones occur when one or both of the tectonic plates are composed of oceanic crust. … Divergent boundaries – where two plates are moving apart. … Transform boundaries – where plates slide passed each other.

What is it called when rock layers are stretched apart at divergent boundaries?

Rocks that are pulled apart are under tension. Rocks under tension lengthen or break apart. Tension is the major type of stress at divergent plate boundaries. When forces are parallel but moving in opposite directions, the stress is called shear (Figure below).

Why are the rocks near the divergent boundaries younger than those farther away from the boundary?

Divergent boundaries also form volcanic islands, which occur when the plates move apart to produce gaps that molten lava rises to fill. … Because of this, rocks closest to a boundary are younger than rocks further away on the same plate.

What type of boundary destroys old crust?

subduction zonesAt subduction zones, the edge of the denser plate subducts, or slides, beneath the less-dense one. The denser lithospheric material then melts back into the Earth’s mantle. Seafloor spreading creates new crust. Subduction destroys old crust.

What are examples of divergent boundaries?

ExamplesMid-Atlantic Ridge.Red Sea Rift.Baikal Rift Zone.East African Rift.East Pacific Rise.Gakkel Ridge.Galapagos Rise.Explorer Ridge.More items…

Why is it dangerous to live near the divergent plate boundary?

Most of the hazards that characterize a divergent plate boundaries lie under the ocean but on land the hazards are faults, volcanoes , and the most obvious one; earthquakes. … These are also known as conservative boundary because the plates grind past one another, not destroying the lithosphere.

What landforms are created by Transform boundaries?

Transform boundaries represent the borders found in the fractured pieces of the Earth’s crust where one tectonic plate slides past another to create an earthquake fault zone. Linear valleys, small ponds, stream beds split in half, deep trenches, and scarps and ridges often mark the location of a transform boundary.

What are 3 things that are formed at a divergent boundary?

Effects that are found at a divergent boundary between oceanic plates include: a submarine mountain range such as the Mid-Atlantic Ridge; volcanic activity in the form of fissure eruptions; shallow earthquake activity; creation of new seafloor and a widening ocean basin.

What happens to the crust at a divergent boundary?

A divergent boundary occurs when two tectonic plates move away from each other. … Magma rises into and through the other plate, solidifying into granite, the rock that makes up the continents. Thus, at convergent boundaries, continental crust is created and oceanic crust is destroyed.

Where is the oldest crust found in a divergent boundary?

Age of the crust: Furthermore, the pattern of crust age is fairly symmetrical on either side of the ridge (Figure 4.5. 4). The oldest oceanic crust is around 280 Ma in the eastern Mediterranean, and the oldest parts of the open ocean are around 180 Ma on either side of the north Atlantic.

Where on earth can you find transform boundaries?

Transform Plate Boundaries are locations where two plates slide past one another. The fracture zone that forms a transform plate boundary is known as a transform fault. Most transform faults are found in the ocean basin and connect offsets in the mid-ocean ridges.