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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 type of rock is formed when lava flowing from a volcano cools and hardens?
Igneous rock, specifically extrusive or volcanic rock, is formed when lava cools and hardens. This type of rock typically has small crystals due to the rapid cooling process and examples include basalt and rhyolite.
Is peridot an intrusive or extrusive igneous rock?
Peridot is olivine, which is a mineral, not a rock. It is found in both intrusive and extrusive rocks.
Is scoria metamorphic?
no, extrusive because it is made by lava not magma.
Is volcanic glass an intrusive or extrusive igneous rock?
Volcanic glass is an extrusive igneous rock. It forms when molten lava cools quickly on the Earth's surface, preventing the formation of crystals.
What type of igneous rock is a lava flow an example of?
It is an example of extrusive igneous rock.
What example of a extrusive igneous rock is?
coal
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.
