Question

Two Types of Igneous Rocks. ​

Answer 1

Answer:

The two main categories of igneous rocks are extrusive and intrusive. Extrusive rocks are formed on the surface of the Earth from lava, which is magma that has emerged from underground. Intrusive rocks are formed from magma that cools and solidifies within the crust of the planet.

Explanation:

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Answer 2

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Igneous Rocks

• The igneous form of rocks does not include any fossil deposits. ...
• Most igneous forms include more than one mineral deposit.
• They can be either glassy or coarse.
• These usually do not react with acids.
• The mineral deposits are available in the form of patches with different sizes.