Question

Basalt is an example of:
A) Intrusive Igneous rocks
B) Extrusive Igneous rocks
C) Sedimentary rocks
D) Metamorphic rocks

Answer 1

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Basalt is an example of (b) Extrusive Igneous rocks.

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Answer 2

Answer:

Basalt is an example of the extrusive igneous rocks.

Explanation:

• The planet was so warm that it melted. The lightest materials are floated to the top as the Earth is cooled, and the ‘heaviest materials’ dropped to the middle.
• The Earth's outer layer is made up of the lightest rock are known as crust.

• Depending upon the types of formation the rocks in the different layers of earth they can be classified into three types as follows. They are

1. Igneous,
2. metamorphic and
3. sedimentary rocks.

• ‘Extrusive igneous rocks’ forms when the magma reaches the surface of a volcano on Earth and rapidly cools down. There are tiny crystals in most extrusive rocks.

Examples; Basalt, obsidian.