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Cooled slowly underground the pseudo crystals of columnar basalt, such as the Giants Causeway in Ireland may be in a metre size range.

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What type of crystal texture is formed when magma cools slowly within warm rock underground?

When magma cools slowly within warm rock underground, it forms crystals with a coarse-grained texture. This type of crystal texture indicates that the minerals had time to grow larger before the magma solidified, reflecting a slow cooling process. Examples of rocks with coarse-grained textures include granite and diorite.


Rock formed when magma cools slowly?

crystal


How does magma make a rock?

When magma cools and solidifies underground, it forms igneous rocks through the process of crystallization. As the magma cools, minerals within it begin to crystallize and solidify, creating the interlocking crystal structure that characterizes igneous rocks. The specific composition and cooling rate of the magma dictate the type of igneous rock that is formed.


What does felsic magma make after its solid?

It will form granite if it cools underground and rhyolite if it cools at the surface.


What affects th size of crystals formed from magma?

the slower the magma cools the bigger the crystal is


How igneous rocks formed underground?

Igneous rocks are formed underground from a very hot substance called magma. As magma cools and hardens under extreme pressure, it forms igneous rocks.


Is the crystal in igneous rock small if it cools quickly from magma?

yes


What rocks that form when magma cools underground?

granite is all that i know of.


What type of crystal grain forms when magma cools slowly?

the crystals are large


How do you make igneous rock through the process of cooling and solidification of molten magma?

Igneous rock is formed when molten magma cools and solidifies. As the magma cools, it hardens and crystallizes, creating igneous rock. This process can happen underground or on the Earth's surface, depending on where the magma cools.


Is volcanic glass a Granite?

No. Granite cools from magma deep underground. Volcanic glass cools quickly at or near the surface.


What effect does the the the rate that magma cools have on crystal formation?

if lava cools slowly, it will have a lot of crystals. When it cools fast, there will be little to no crystals what s ever.