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Q: What is the weak area in the earth's crust where magma rises?
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What name is given to the area where volcanoes often occurs because convection in the earths mantle produces a column of magma that rises into the crust?

hotspots


What is the name given to the area where volcanoes often occur because convection in the earths mantle produces a column of magma that rises into the crust?

hotspots


What is an area where magma melts through the crust in the middle of a plate?

A hot spot is a place where material from the magma melts through the crust in a non plate boundary location.


What is the area where magma collects inside a volcano before an eruption?

If you're referring to the scientific term, magma collects in magma chambers.


What name is often given to the area where volcanoes often occur because convection in the earth's mantle produces a column of magma that rises into the crust?

hotspots


What is the area of the Earth's crust?

the area of of earths crust that is the thickest is the mantle.


What is an area where one of the huge plates under the earths surface slides under or pulls away from the edge of another plate and magma rises to the surface of the earth?

volcano


What is the earth's crust the thickest?

the area of of earths crust that is the thickest is the mantle.


What features form a hot spot?

A hot spot is in earths mantle.a hot spot is an area where material from deep within the mantle rises and then melts, forming magma and volcano forms above a hot spot when magma erupts and reaches the surface.


Which is a calm area on Earths surface where warm air rises?

trade winds


Why do volcanoes occur at a subdution zone?

the oceanic crust being subducted is Basaltic. It goes through changes from pressure and temperature as it ids subducted. It goes from basalt to Amphibolite and finally at 100km depth eclogite. At the 100 km a lot of the water is forced out of the rock allowing the surrounding area to liquidize. Since it is liquid it is less dense then the solid area and rises. as it reached into the Continental or ocean crust it melts the surrounding area, and magma rises forming a volcano.


Why does magma rises?

Mama rises when it is less dense than the rock surrounding it, and when the area around it allows free movement. The pressure allows the magma to convert form a liquid to a gas, which causes it to rise.