0
convergent boundaries
Wiki User
∙ 15y ago
Add your answer:
Earn +20 pts
How are archipelagos formed?
Archipelagos are usually volcanic, forming along island arcs produced by subduction zones (or hot spots). They formed by tectonic activities when a tectonic plate moves over a hot- spot. the lava gets pushed and when there is enough, it rises to the surface of the water. as it cools it forms a pile (an island). the volcanic activity then stops but the plate carries on moving. so when it starts again, a new island is formed.... There are other processes involved in their construction: erosion, deposition and land elevation.
As the ocean floor spreads at the plate boundary the resting on the plates also move apart?
Magma gushes out of the earth and then it cools and becomes a volcano.
What kind of mountains form from hot spots?
Hot spot volcanos. As these age they can become island chains and eventually subsurface seamount arcs if the hot spot is in the ocean.
What are relation of earthquake volcanoes and mountains to plate tectonics?
Earthquakes are caused by strike-slip faults, which are the grinding of two tectonic plates past each other. Volcanoes are commonly caused at convergent subduction zones causing volcanic arcs or sometimes island arcs. This is not the only case of volcano formation however. Mountains are formed at continental-continental convergent boundaries at the pushing upward of tectonic plates. This would be the only case of mountain building. That is how the Himalayas formed, and Mt. Everest is still actually inching higher every year.
What is the construcion tool for drawing arcs?
A compass is mainly used to draw perfect circles, but it can also be used to draw arcs of different sizes.
Do earthquakes occur near island arcs?
COnvERgEnT BounDarY
What type of plate boundary forms volcanic islands?
I thought the same which forms mountain ranges, 'constructive' plates.Volcanic Island arcs are found along subduction zones, wich occur at convergent boundaries.
What plate boundary forms arcs of volcanoes and deep-ocean trenches?
A convergent plate boundary where subduction occurs.
What type of plate boundary formed at islands?
constructive plate boundaries cause volcanoes.
What is the differences between volcanic island arcs and volcanic arcs?
Volcanic arcs form at plate subduction zones. Island arcs are volcanic islands that form over "hot spots" in the Earth's mantle. Because the islands are moving with the oceanic plate, they eventually are removed from the hot spot, forming a chain of islands in the direction of the plate movement.
What are facts about divergent plate boundaries?
They are where mid-ocean ridges occur. Island arcs are common features of convergent boundaries where two ocean plates meet. The boundary where two plates slide past each other, is a transform boundary. The density of the plates, is important at subduction zones, where the denser plate sinks below the less-dense plate, which is also a feature of convergent plates. Tectonic plates are part of the lithosphere, which floats on the asthenosphere.
Which type of landforms develops at plate boundaries where one oceanic plate descends beneath another?
Ocean Trenches, Island Arcs, Volcanic Mountain Chains, Magmatic Arcs.
Which plate movement relies on the weight of the subduction crust?
This happens in front of Island Arcs and in at destructive plate boundaries.
Which type of landforms develops plate boundaries where one oceanic plate descends beneath one another?
Ocean Trenches, Island Arcs, Volcanic Mountain Chains, Magmatic Arcs.
What process forms island arcs?
Island arcs are formed from the subduction and melting of oceanic crust as it descends into the mantle underneath a less dense oceanic crust at a convergent plate boundary. The subduction results in the creation of undersea volcanoes which then rise above sea level. The resulting volcanoes create a string of islands called an island arc. The curve of an island arc echoes the curve of its deep-ocean trench.
How do you know if you live on a Plate Boundary?
Several things are characteristic of plate boundaries. Mountain and volcanoes are common at converging plate boundaries, as well as faults and earthquakes. mid oceanic ridges form when the edges of oceanic tectonic plates spread appart from each other. Island arcs form near the edges of a subducting tectonic plate.
What is the difference between volcanic island and volcanic arc?
Volcanic arcs form at plate subduction zones. Island arcs are volcanic islands that form over "hot spots" in the Earth's mantle. Because the islands are moving with the oceanic plate, they eventually are removed from the hot spot, forming a chain of islands in the direction of the plate movement.
