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Some igneous extrusive rocks include obsidian, basalt, andesite, rhyolite, scoria, pumice, basaltic glass.
If you want more, go to page 6 on the Earth Science Reference Tables at the related link.
Wiki User
∙ 12y ago
Wiki User
∙ 11y agoExtrusive.
See igneous rocks are classified into extrusive and intrusive categories. So, an extrusive igneous rock, is in the extrusive category.
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What type of rock results directly from volcanism?
Volcanic rock, which is a category of extrusive igneous rock.
What kind of rock is tuff?
Tuff is considered an extrusive igneous rock.
A rock that forms from cooling lava is classified as an?
An extrusive igneous rock.
Is rhyolite an example of an extrusive igneous rock?
Yes.
When Magma is launched from a volcano forms what type of rock?
A volcano is made of extrusive igneous rock. The specific type of igneous rock will vary from one volcano to another.
What are the two category's of igneous rock?
Intrusive and Extrusive
What type of rock results directly from volcanism?
Volcanic rock, which is a category of extrusive igneous rock.
A lava flow is an example of an igneous rock one of the two main igneous rock groups?
It is an example of extrusive igneous rock.
What is the most extrusive igneous rock?
Basalt is the most common extrusive igneous rock.
What kind of rock is formed after a volcano erupts?
Extrusive igneous rock such as basalt, rhyolite, pumice, and obsidian.
Which is not a common extrusive igneous rock?
There are so many rocks that can be classified as not a common extrusive igneous rock. The most common extrusive igneous rock is basalt. Extrusive rocks are formed as a result of lava solidifying.
Is pumice an igneous rock?
YES! It is an extrusive Igneous rock
Is obsidian a intrusive or extrusive igneous rock?
Andesite is considered an extrusive igneous rock.
Is schist an intrusive or extrusive rock?
Neither, Igneous rock is either intrusive or extrusive. Thats what intrusive and extrusive is... A igneous rock.
What are igneous rocks formed at the earths surface called?
Extrusive igneous rocks.
Is tuff an extrusive igneous rock?
Yes. Tuff is an extrusive igneous rock formed by explosive volcanic eruptions.
Which rock am igneous extrusive black?
Basalt, pumice, and obsidian are all extrusive igneous rocks which can appear as black rock.
