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Is rhyolite an example of an extrusive igneous rock?
Yes.
What trait is an intrusive igneous rock?
If a rock is intrusive, that means that it formed from magma inside the Earth. An example is granite. The opposite is extrusive, which forms from cooling lava from volcanoes. An extrusive rock is obsidian.
What is category of igneous extrusive rock?
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.
A rock that forms from cooling lava is classified as an?
An extrusive igneous rock.
What kind of rock is tuff?
Tuff is considered an extrusive igneous rock.
What type of igneous rock is a lava flow an example of?
It is an example 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.
Is rhyolite an example of an extrusive igneous rock?
Yes.
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.
What is one igneous rock that is made outside of earth's crust called?
Extrusive (volcanic) igneous rock. An example is Basalt.
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 schist an intrusive or extrusive rock?
Neither, Igneous rock is either intrusive or extrusive. Thats what intrusive and extrusive is... A igneous rock.
Is tuff an extrusive igneous rock?
Yes. Tuff is an extrusive igneous rock formed by explosive volcanic eruptions.
Lava cools to form?
Extrusive igneous rock.
Which rock am igneous extrusive black?
Basalt, pumice, and obsidian are all extrusive igneous rocks which can appear as black rock.
