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Slate is a metamorphic rock which originated typically as a shale, or mudstone/claystone, and is usually associated with Regional Metamorphism (intense pressure with heat). This can be due to overburden, continental collision or other large scale compressional geological processes.
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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.
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.
Which of Slate Granite Shale or Pumice is classified as a sedimentary rock?
The answer is Shale. Slate is a metamorphic rock derived from shale, granite is an intrusive igneous rock, and pumice is a vesicular 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.
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.
Does slate change into an igneous rock?
no slate is an 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 Slate extrusive or intrusive?
Slate is metamorphic. Extrusive and intrusive are terms used to describe igneous rocks formed at ground level or underground.
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.
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.
