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Explain how volcanoes form in the central rift valley of a divergent boundary?
Earthquakes occur along the faults, and volcanoes form when magma reaches the surface, and then the valleys form from erosion.
Do composite volcanoes form at subduction?
Usually, yes. Occasionally, though they can form in rift zones or at continental hotspots.
What causes volcanoes to form at spreading plate boundaries?
As two plates spread apart from each other at the boundary, magma that was trapped below wells up between them. This magma can be released in the form of volcanoes or ooze out from rift valleys.
What causes the volcanoes and deep valleys of East Africa?
The continental rift along which parts of the African continent are beginning to slowly separate
What do movement in the Earth cause?
Earthquakes. In addition to mountains, and volcanoes, and rift valleys, and tsunamis, and reestablishment of continental boundaries.
What type of land form do you get at collision boundaries?
mountains, volcanoes, rift valleys, fault lines,
How do rift valleys form?
rift valleys form by tension stress
Explain how volcanoes form in the central rift valley of a divergent boundary?
Earthquakes occur along the faults, and volcanoes form when magma reaches the surface, and then the valleys form from erosion.
Do composite volcanoes form at subduction?
Usually, yes. Occasionally, though they can form in rift zones or at continental hotspots.
Why do Lakes form on the floor of rift valleys?
lakes form on the floor of a rift valley
What can Tectonic Plate activity cause?
Most often earthquakes, volcanoes, and rift valleys.
What are the characteristics of a rift valley?
Igneous. Crustal material is added in rift valleys by the addition of magma.
What causes the volcanoes and deep valleys of East Africa?
The continental rift along which parts of the African continent are beginning to slowly separate
What causes volcanoes to form at spreading plate boundaries?
As two plates spread apart from each other at the boundary, magma that was trapped below wells up between them. This magma can be released in the form of volcanoes or ooze out from rift valleys.
What types of volcanoes form at mid-ocean ridges?
Rift volcanoes.
What do movement in the Earth cause?
Earthquakes. In addition to mountains, and volcanoes, and rift valleys, and tsunamis, and reestablishment of continental boundaries.
Volcanoes are able to form in several different plate-tectonic settings?
The type of tectonics where volcanoes occur are continental rift volcanism, hot spot, and continental volcanic arc. The other tectonics are subduction zones and rift valleys on a continental crust.
