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Rhyolite cools faster from magma (lava) than does granite, which forms from slow cooling of magma deep underground. Granite.

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Q: Which rock takes a longer time to form rhyolite or granite?
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What is the extrusive form of granite with extremely small crystals and a red pink or gray color?

Rhyolite


What does felsic magma make after its solid?

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


Does granite form on top of the crust?

No. Granite forms underground in the crust. If granitic magma reaches the surface and cools it forms a rock called rhyolite.


How does rhyolite rock form?

Rhyolites are formed by the solidification of silicic magma on the earth surface. They are the extrusive equivalent of Granite.


Granite and ryholite have similar composition but granite is course-grained whereas rhyolite is fine grained what is the difference?

Granite forms underground where magma cools slowly, allowing relatively large crystals to form. Rhyolite forms above ground as lava cools quickly, meaning that any crystals will be small.


When would rhyolite rock form?

Rhyolite refers to a pale fine-grained volcanic rock. It is formed when magma that would have formed granite managed to erupt onto the surface of the Earth.


Rhyolite is an example of a?

A rhyolite volcano is a volcano that erupts rhyolitic lava or pyroclasitc material. Rhyolite is an igneous rock formed from the eruption of extremely viscous silica rich material. Eruptions involving rhyolite can be extremely large and violent. In some cases, however, rhyolite can build into lava domes or form thick, extremely slow lava flows.


Why is the texture of rhyolite different from the texture of granite?

Granite is an intrusive rock while rhyolite is an extrusive rock.** Intrusive rocks are rocks that are formed BELOW the earth's surface.Extrusive rocks are rocks that are formed ON the earth's surface.


Can granite form as a lava flow?

No. Granite forms when granitic magma cools deep underground. When granitic magma erupts as lava it cools more quickly and forms a rock called rhyolite.


What igneous rock forms from granite?

Granite is already an igneous rock. If the granite simply melts and re-solidifies it will become granite again. If it melts and is erupted from a volcano, it will form rhyolite. If it melts and mixes with magma of a different composition, then it could form any number of igneous rocks.


If granite within earth melts and then erupts at the surface what type of extrusive rock is likely to form?

A felsic extrusive igneous rock, such as rhyolite or obsidian.


If granite within the earth melts then erupts at the surface what type of extrusive rock is likely form?

A felsic extrusive igneous rock, such as rhyolite or obsidian.