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Basalt cools off quickly because it is formed under water.
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∙ 12y ago
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Is basalt cooled slowly?
In reference to the cooling of magma into rock, basalt is formed from rapid cooling.
What igneous rocks cool above ground?
Etrusive igneous rocks such as pumice, basalt, andesite and rhyolite.
Is granite a phaneritic rock?
Granite is a phaneritic rock. Phaneritic rocks are coarse-grained, and they have visible crystals. Other phaneritic rocks include diorite, gabbro, and periodite. These rocks are also intrusive because they cool slowly.
Do intrusive rocks cool quickly?
No. Usually very slowly.
What rocks cool slowly?
coarse grained and porphyry rock
What are types of igneous rock?
igneous rocks are melted rocks and melted metal that cools quickly or slowly from a volcano and usually from magma.
How quick does extrusive igneous rocks cool?
Intrusive igneous rocks cool slowly. These types of rocks would be located underground having long period of time to cool.
Do intrusive rocks have large crystals because they cool quickly?
No. Intrusive igneous rocks have large crystals because they cool slowly.
Igneous rocks that cool quickly on earth surface are?
Extrusive igneous rocks, like basalt, pumice, scoria, obsidian, and rhyolite.
What type of crystal gain that forms when molten rocks cool slowly?
Intrusive
Why do igneous rocks that cool from magma underground cool so slowly?
They are surrounded by hot rock and are insulated by the surrounding material. Rocks are poor conductors of heat.
What is the igneous rocks that cool quickly on the surface?
Extrusive igenous rocks. The main types are: Komatite/picrite (ultramafic) Basalt (mafic) Andesite (intermediate) Rhyolite (felsic/silicic)
