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What type of crystal grain forms when molten rock cools quickly?
Wiki User
∙ 13y ago
The crystal can be fine like Obseidian
Wiki User
∙ 12y ago
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Melted rock that flows to the surface cools quickly forms?
Igneous rocks are formed when molten hot rock flows to the surface of the Earth and rapidly cools down. The crystals that form are rich in silicon and oxygen.
Large crystals with well-formed crystal faces tend to form when?
Large mineral crystals can form when magma is able to cool slowly underground, creating intrusive igneous rock.
This type of rock forms from molten rock that cools and solidifies?
Igneous rock!!!!!!!!!!!!!!!!!!!!!
What does melting mean in the rock cycle?
When lava melts it cools and forms molten material. Hope this helped you! ^-^
What forms in earths crust when molten material reaches the surface?
crystals form when lava reaches the surface and cools
Crystal grain that forms when molten rock cools quickly?
Fine
Type Of Crystal that forms when molten rock cools quickly?
fine
What is a 4 letter word for a type of crystal grain that forms when molten rock cools quickly?
lava
Why does pumice have no crystal structure?
Pumice is made of glass. Glass forms when molten rock cools too quickly for crystals to form.
What is the type of crystal grain that forms when molten rock cools quickly?
Small crystal grains form from rapid cooling of magma resulting in an aphanitic rock texture.
What type of crystals form when molten rock cools quickly?
it forms ingenous rock ...
How is obsiddian made?
Obsidian forms when molten lava cools quickly upon contact with cold water.
What are molten rocks?
There are three types of rock - igneous, sedimentary and metamorphic. Igneous rocks formed directly from magma (molten rock flowing under ground) or lava (molten rock flowing above the crust). Granite is an example of what forms as magma cools slowly over a very long time, and obsidian forms when lava cools quickly, such as from contact with ocean water.
What type of rock forms when molten rock cools?
Rock that forms from molten rock that cools and solidifies is called igneous rock.
When molten rock cools or hardens on or earth surface it forms?
Igneous
Can lava make glass?
Volcanic glass forms when molten material cools too quickly for crystals to form. The small size of volcanic ash particles ensures that the cool quickly.
What forms when molten material from beneath earth's surface cools but doesn't hardens?
Ingenious rocks form when molten material under the earths surface cools. Not only does the molten cool it does not harden.
