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convection currents. Causes the magma to move the earths crust creating plate movement.
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Why movement of crustal plates depend on heat?
The heat in the Earth's core makes the magma more liquid and allows the movement of the crustal plates.
How can magma under the surface create seismic tremors?
When magma rises towards the Earth's surface, it creates pressure on the surrounding rocks. As the pressure builds up, the rocks fracture and break, causing seismic tremors or earthquakes. These tremors are a result of the release of energy from the movement of the fractured rocks, indicating the movement and activity of magma beneath the surface.
Recent volcanic activity in different parts of the world supports the inference that volcanoes are located mainly?
along tectonic plate boundaries, where the movement and interaction of plates create conditions for magma to rise and erupt on the Earth's surface. This is known as plate tectonics theory, which explains how most volcanic activity occurs in specific regions like the Ring of Fire in the Pacific Ocean and the Mid-Atlantic Ridge. However, there are also some volcanic hotspots that occur away from plate boundaries, such as the Hawaiian Islands.
What is a plume and how does it cause plate movement?
In the context of plate tectonics, a plume is a column of very hot magma, much hotter than the usual temperature of the mantle, that rises through the cooler magma because the heat causes it to expand and therefore to be less dense. When the rising magma reaches the crust, it exerts force on the crust and contributes to continental drift. It can also cause volcanoes. The Hawaiian chain is an example of islands that were produced by volcanoes that were all caused by the same plume. As the crustal plate moves, the plume strikes different parts of the crust.
Which process in the rock cycle causes magma to form?
Melting is the process in the rock cycle that causes magma to form.
Why movement of crustal plates depend on heat?
The heat in the Earth's core makes the magma more liquid and allows the movement of the crustal plates.
Any activity that icludes the movement of magma on to the earth's surface?
This is known as a volcanic eruption.
What is the cause of the Italian earthquake 2009?
All earthquakes have the same cause, which is the movement of the Earth's crustal plates resulting from convection currents in the magma upon which they float.
What causes small earthquakes before a volcanic eruption?
The earthquakes are caused by the movement of magma underground and the breaking of rocks by that magma.
How the movement of tectonic plates result in the formation of crustal features?
Magma is the molten rock below the crust, in the mantle. Tremendous heat and pressure within the earth cause the hot magma to flow in convection currents. These currents cause the movement of the tectonic plates that make up the earth's crust.
What does most magma forms from?
Magma is the result of partial melting of crustal rocks. It is a eutectic melt product.
Volcanism that allows magma to seep into the crustal layers and harden?
internal
What does most Most magma form from?
Magma is the result of partial melting of crustal rocks. It is a eutectic melt product.
How does the crustal plates moves?
by bubbling hot magma in the earth's inner core, erupting from volcanoes and causing earthquakes which cause the crustal plates to move.
How can magma under the surface create seismic tremors?
When magma rises towards the Earth's surface, it creates pressure on the surrounding rocks. As the pressure builds up, the rocks fracture and break, causing seismic tremors or earthquakes. These tremors are a result of the release of energy from the movement of the fractured rocks, indicating the movement and activity of magma beneath the surface.
What forms from pools of magma that accumulate underground and push up on crustal plates?
dome
Why does the surface of the earth move when magma beneath it moves?
The crustal plates of the earth are less dense than the magma below. In a very real sense, we are floating on top of the magma.
