What happens in divergent plates?

What happens in divergent plates?

Divergent (Spreading):This is where two plates move away from each other. Molten rock from the mantle erupts along the opening, forming new crust. The earthquakes that occur along these zones, called spreading centers, are relatively small.

What is formed at the divergent plate boundary?

A divergent plate boundary often forms a mountain chain known as a ridge. This feature forms as magma escapes into the space between the spreading tectonic plates.

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 plates at divergent margins quizlet?

Terms in this set (26) What happens at a divergent boundary? – When two continental plates diverge, a valley like rift develops. This rift is a dropped zone where the plates are pulling apart. As the crust widens and thins, valleys form in and around the area, as do volcanoes, which may become increasingly active.

What happens to the mantle at a divergent plate boundary?

plates move apart at a divergent plate boundary, the release of pressure produces partial melting of the underlying mantle. This molten material, known as magma, is basaltic in composition and is buoyant. As a result, it wells up from below and cools close to the surface to generate new crust.…

What happens at a divergent boundary answers com?

At a divergent boundary the plates move apart from each other as fresh magma rises to the surface to create new crustal material.

What landforms occur at divergent boundaries?

At DIVERGENT boundaries the plates move apart allowing molten magma to rise and form new crust in the form of ridges, valleys and volcanoes. Landforms created by divergent plates include the Mid Atlantic Ridge and the Great African Rift Valley.

Where does divergent boundary occur?

mid-ocean oceanic ridges
Divergent boundaries are spreading boundaries, where new oceanic crust is created to fill in the space as the plates move apart. Most divergent boundaries are located along mid-ocean oceanic ridges (although some are on land).

Which of the following landforms is the result of a divergent boundary?

Two landforms that are created from divergent boundaries are rift valleys and mid-oceanic ridges.

What landforms are caused by divergent boundaries?

How do plates move at divergent plate boundaries quizlet?

How do plates move at divergent plate boundaries? Plates move apart at divergent plate boundaries. How do plates move at convergent plate boundaries? Plates move toward one another at convergent plate boundaries.

At which location would you expect to see a divergent plate boundary?

Most divergent boundaries are located along mid-ocean oceanic ridges (although some are on land). The mid-ocean ridge system is a giant undersea mountain range, and is the largest geological feature on Earth; at 65,000 km long and about 1000 km wide, it covers 23\% of Earth’s surface (Figure 4.5.

What forms at divergent plate boundaries?

A divergent boundary occurs when two tectonic plates move away from each other. Along these boundaries, earthquakes are common and magma (molten rock) rises from the Earth’s mantle to the surface, solidifying to create new oceanic crust. The Mid-Atlantic Ridge is an example of divergent plate boundaries.

What is an example of divergent plate boundary?

Divergent boundaries are found along spreading centers where the plates are moving apart. New crust is created by magma rising up from the mantle and constantly filling the gap created by the diverging plates. The best known example of a divergent plate boundary is the Mid-Atlantic Ridge.

How do divergent plate boundaries cause earthquakes?

Earthquake and divergent boundaries In divergent boundaries, two plates move apart from each other due to rupturing along a fault line called a rift. Magma from underneath causes thinning of oceanic crust and leads to sudden rupture forming deep valleys which allows lava to erupt out.

What are the types of plate margins?

Depending on how the plates move relative to each other where they touch, plate margins are classified as one of three types – divergent, convergent and transform. A single plate is usually rimmed by more than one type of plate margin.