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What are large cracks in the earth's crust that can open up and allow lava to ooze out onto the ground and form extrusive igneous rocks?
Wiki User
∙ 12y ago
They are called..........fissures.
Wiki User
∙ 12y ago
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Is gabbro an intrusive or extrusive igneous rock?
Gabbro is an intrusive igneous rock, whick means that it was formed under ground.
Is Slate extrusive or intrusive?
Slate is metamorphic. Extrusive and intrusive are terms used to describe igneous rocks formed at ground level or underground.
Which type of rock is formed above the ground by lava?
The general type is extrusive igneous rock.
What types of rocks are formed above ground?
Extrusive igneous rocks and some sedimentary rocks are formed above ground.
Is lava intrusive or extrusive?
A pluton is intrusive, meaning that it is below ground. Other words to describe a pluton would be batholith or laccolith.
How does mag ma form into extrusive igneous rock?
When molten magma is forced upwards through cracks and weaknesses in the bedrock, on cooling on the surface, an extrusive igneous rock is formed. If the cooling takes place below ground, it is an intrusive formation.
Is sandstone extrusive?
sedimentary rock are extrusive when the were formed outside land than in the dirt extrusive rocks take less time to form than intusive (formed under ground) becase wind and help it form faster. i hope this is very helpful =)
When molten rock undergoes crystallization above ground what type of rock results?
Extrusive igneous rock is the result of above ground crystallization.
Can igneous rock be formed above or below ground?
It is formed both- above ground (as extrusive igneous rocks) or below ground (as intrusive igneous rocks).
What are the main two types of igneous rocks?
Igneous rocks are classified as either extrusive or intrusive. Extrusive rocks form from lava at or above the ground, and intrusive rocks form from magma below the ground. Granite is intrusive, pumice is extrusive.
Is gabbro an intrusive or extrusive igneous rock?
Gabbro is an intrusive igneous rock, whick means that it was formed under ground.
What is the difference between the formation of extrusive and igneous rocks?
intrusive:below ground extrusive:at the surface
Is Slate extrusive or intrusive?
Slate is metamorphic. Extrusive and intrusive are terms used to describe igneous rocks formed at ground level or underground.
Which type of rock is formed above the ground by lava?
The general type is extrusive igneous rock.
Intrusive igneous rock is cooled and solidified above ground?
No, it is Extrusive. Hope it help.
What types of rocks are formed above ground?
Extrusive igneous rocks and some sedimentary rocks are formed above ground.
What rock types are formed above ground?
Extrusive igneous rocks and some sedimentary rocks are formed above ground.
