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As magma solidifies to form rock, iron-rich minerals in the magma align with Earth's magnetic field in the same way that a compass needle does. When the rock hardens, the magnetic orientation of the minerals becomes permanent. This residual magnetism of rock is called paleomagnetism.
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How does solidified magma come to be magnetic?
As magma solidifies to form rock, iron-rich minerals in the magma align with Earth's magnetic field in the same way that a compass needle does. When the rock hardens, the magnetic orientation of the minerals becomes permanent. This residual magnetism of rock is called paleomagnetism.
The solidified form by magma body is what?
A pluton
Solidified form a magma body?
pluton
ignous?
having solidified from lava or magma
A rock made from cooled magma or lava?
Igneous rock is formed from solidified and cooled magma or lava.
What is igneous rock made of?
Solidified magma or lava.
What effects does temperature have on the characteristics of magma?
The temperature of the magma will affect its viscosity depending on its chemistry. Some minerals crystallize at higher temperatures than others, meaning that portions of the magma may have already solidified. At lower temperatures, the majority of the constituent minerals will have crystallized and solidified, leaving the magma highly viscous.
Is granite formed from lava cooling or magma cooling?
Not from the magma, no. Cooled and solidified magma is classified as igneous. However, metamorphic rocks can be formed as the heat and hot fluids of intruding magma affect the properties and possibly the chemistry of the existing "country rock" into which it comes in contact. This process is called contact metamorphism.
What makes an igneous rock?
Solidified magma or lava is igneous rock.
What is a magma chamber called after it and the conduit have solidified and been exposed by erosion?
After a magma chamber and its conduit have solidified and been exposed by erosion, it is referred to as a "pluton." Specifically, if the solidified magma forms a large, irregular mass, it may be called a "batholith." These geological features are typically found in mountainous regions and provide insights into the Earth's geological history.
In what order does magma become a rock?
Magma forms from heated rock--it cools--minerals form--when totally solidified it is a rock.
What effect does temperature have on Characteristics of magma?
The temperature of the magma will affect its viscosity depending on its chemistry. Some minerals crystallize at higher temperatures than others, meaning that portions of the magma may have already solidified. At lower temperatures, the majority of the constituent minerals will have crystallized and solidified, leaving the magma highly viscous. F ME NIGars
