Question

What part of the earth's surface is made up of Igneous rocks? *

75%

85%

90%

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Answer 1

Answer:

The Earth's crust is made up of about 95% igneous and metamorphic rocks, 4% shale, 0.75% sandstone, and 0.25% limestone.

Answer 2

Answer:

90%

Explanation:

Igneous and metamorphic rocks make up 90–95% of the top 16 km of the Earth's crust by volume. Igneous rocks form about 15% of the Earth's current land surface. Most of the Earth's oceanic crust is made of igneous rock.