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What type of rock forms when tiny crystals in magma form?
When tiny crystals form in magma, they create an igneous rock known as "intrusive" or "plutonic" rock. This occurs when magma cools slowly beneath the Earth's surface, allowing the crystals to grow larger, such as in granite. If the magma cools quickly on the surface, it forms "extrusive" or "volcanic" rock, like basalt, where the crystals are much smaller.
How can you tell if a intrusive rock forms?
Large crystals are diagnostic of an intrusive igneous rock, as large crystals form as the source magma cools slowly.
How is the size of crystals in an igneous rock related to the formation of a rock?
If an igneous rock is formed from slowly cooling magma under the ground, it has more time to form crystals and so the crystals it forms are much larger than igneous rock formed from more quickly cooling magma or lava.
What happens when magma cools?
When magma cools down it forms a type of rock called igneous rock. Igneous rock can cool inside the earth or it can cool after it has come out on the earth's surface. When it is formed inside it is called intrusive but when it is on the earth's surface it is called extrusive.
Does sedimentary rock form from the cooling of magma?
No. Igneous rock forms from the cooling of magma.
What type of rock forms when tiny crystals in magma form?
When tiny crystals form in magma, they create an igneous rock known as "intrusive" or "plutonic" rock. This occurs when magma cools slowly beneath the Earth's surface, allowing the crystals to grow larger, such as in granite. If the magma cools quickly on the surface, it forms "extrusive" or "volcanic" rock, like basalt, where the crystals are much smaller.
How can you tell if a intrusive rock forms?
Large crystals are diagnostic of an intrusive igneous rock, as large crystals form as the source magma cools slowly.
Where did an igneous rock form if the rock contains large crystals?
Usually from the slow cooling of magma with a plentiful supply of material necessary for crystal growth, and space in which to grow.
How is the size of crystals in an igneous rock related to the formation of a rock?
If an igneous rock is formed from slowly cooling magma under the ground, it has more time to form crystals and so the crystals it forms are much larger than igneous rock formed from more quickly cooling magma or lava.
What happens when magma cools?
When magma cools down it forms a type of rock called igneous rock. Igneous rock can cool inside the earth or it can cool after it has come out on the earth's surface. When it is formed inside it is called intrusive but when it is on the earth's surface it is called extrusive.
Does sedimentary rock form from the cooling of magma?
No. Igneous rock forms from the cooling of magma.
A foliated metamorphic rock forms when crystals .?
A foliated metamorphic rock forms when crystals combine and form visible bands
When magma cools slowly what is the rock that forms?
When magma cools slowly, it forms igneous rocks such as granite or diorite, which have large mineral crystals because they had time to grow as the magma solidified.
What is a glassy rock that forms when crystals do not get to form?
feldspar
What rocks form from cooled magma below the earth sucfaceand has small crstal?
extrustive igneous rock... it forms on the outside of a volcano and has small or no crystals at all.
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 is a type of crystal grain that forms when rock cools Slowly?
When molten rock cools slowly, it will have a lot of time to form crystals, so the crystal size will be quite big. Take granite, for example. With the naked eye, you can see the individual crystals. The grain size is quite large. The kind of mineral that forms is dependent on the composition of the magma.
