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Is volcanic glass an intrusive or extrusive igneous rock?
Volcanic material is extrusive.
Is Rhyolite Porphyry an intrusive or extrusive rock?
Rhyolite is a felsic volcanic rock.
What is basult?
An extrusive volcanic rock.
What Rock Volcanic activity creates what?
Volcanic activity produces extrusive igneous rock.
Which Rock is used To Make skin scrubber?
An extrusive volcanic rock which is erupted under water called pumice.
What type of rock is a volcano from?
Volcanic rock is extrusive igneous rock.
What are rocks called that formed from volcanic process?
Those would be igneous rocks. Extrusive igneous rocks.
What is one igneous rock that is made outside of earth's crust called?
Extrusive (volcanic) igneous rock. An example is Basalt.
What type of rock is formed after volcanic magma cools?
If the magma cools on the surface of the crust, it is called extrusive igneous rock
Can metamorphic rocks float?
The extrusive volcanic rock pumice can float on water. Other extrusive volcanic rocks are not so lucky.
Is tuff an extrusive igneous rock?
Yes. Tuff is an extrusive igneous rock formed by explosive volcanic eruptions.
What rock group does obsidan belong to?
Obsidian falls under the group of Extrusive Volcanic Rock of very fine texture. Obsidian is generally called Volcanic Glass.
