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What is magma made of?
Magma is highly heated molten rock that comes to the surface of usually through volcanic eruption. Magma is usually found beneath the earth located near the earth's core and can sometimes contain crystals and gases.
What is the only kind of rock that can form directly from magma?
By definition. A sedimentary rock is formed from sediments, chemical, organic, or clastic. A metamorphic rock has undergone a change in mineral alignment or mineral composition due to heat and/or pressure. An igneous rock forms from solidification of magma via cooling.
What is the difference between basaltic magma and silicic magma?
Granitic rocks are intrusive, which means they crystallized underground. Basaltic rocks are extrusive, meaning they crystallized above ground. Also, basaltic rocks are more mafic, and granitic rocks are more felsic.
Where does magma form?
Magma is the term applied to molten rock beneath the surface of the earth. It is formed when hot (very hot) rocks experience a drop in surrounding pressure, or when subducted wet lithosphere is introduced into the mantle. When it "breaks out" onto the surface of the earth, we call it lava. A link can be found below.
What layer of earth is made up of hot molten rocks?
The outer core is the only molten layer of the Earth. == ==
How is magma and igneous rocks related?
Magma is molten rock, and igneous rock is cooled magma.
Molten igneous rocks beneath the ground?
Magma
Why does the magma have to be hot?
Magma is molten rock. Rocks have very high melting temperatures.
What do you call the molten rocks under the earth surface?
Molten rocks under the Earth's surface are called magma. When magma reaches the Earth's surface, it is then called lava.
How do igneous rocks form?
Igneous rock forms from the cooling of molten material called magma or lava.
What is the name for molten rock when its under the ground?
Molten rock under the surface is called "magma". When magma reaches the surface it is called "lava".
Do rocks formed when molten harden?
When magma - molten rock - solidifies, it does form an igneous rock.
Rocks formed within the earth from molten magma are called igneous rocks?
yes
What are hot molten rocks from the interior of the earth called?
Hot molten rocks from the interior of the earth are called magma when they are beneath the earth's surface and lava when they reach the surface through volcanic eruptions.
Are magma and lava sedimentary rocks?
No. Magma and lava are molten rock. When the cool they form igneous rock.
Rocks are formed when magma does what?
Rocks are formed when magma cools and solidifies either beneath the Earth's surface (intrusive igneous rocks) or on the surface (extrusive igneous rocks). As the molten magma cools, it crystallizes and hardens into solid rocks like granite or basalt.
Magma forms when rocks begin to melt?
Yes. Magma is underground molten rock.
