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The ways Which extrusive and intrusive igneous rocks are formed?
Wiki User
∙ 13y ago
extrusive- when melted rock material coools on earths surface
instursive-when the melt cools below earths surface
Wiki User
∙ 13y ago
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What is the different between extrusive and intrusive rocks?
Intrusive: An intrusive igneous rock is formed from magma undergroundExtrusive: An extrusive igneous rock is formed from lava outside of the volcano.
What are the 2 kinda of igneous rock?
Extrusive and Intrusive. Extrusive rocks are formed from hardened lava at the surface and Intrusive rocks are formed from magma within the Earth.
How do intrusive and igneous rocks differ?
Intrusive rocks are formed from magma below the surface; extrusive rocks are formed from magma on the surface of Earth.
What igneous rocks are both intrusive and extrusive?
Porphyritic igneous rocks can display both intrusive and extrusive characteristics.
What do intrusive rock have in common with extrusive rocks?
Sedimentary rocks are not classified by the terms intrusive or extrusive. These are terms used specifically for igneous rock classification, referring to rock that has formed from melt either below or on the surface.
Can rocks both have igneous and intrusive?
Since igneous rocks are divided into two categories (intrusive and extrusive) an igneous rocks can be intrusive.
What is the difference between an intrusive and an extrusive igneous rocks?
"intrusive" means forced into something, "extrusive" means forced out onto the surface. The igneous magma reaching the surface is therefore extrusive , producing extrusive igneous rocks, and all the rest of the magma is intrusive, producing intrusive igneous rocks.
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 extrusive and intrusive igneous rock?
Extrusive rocks are formed outside of earths surface. Intrusive rocks are formed inside earths 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.
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.
What are two types igneous rocks?
Granite and basalt are the most common types of igneous rock. Igneous rock types, or classifications, also include those that are intrusive and extrusive. Intrusive igneous rock is formed from the solidification of slow cooling magma below the surface. Extrusive igneous rock is formed for the solidification of rapidly cooling lava at or near the surface.
