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11 April, 01:40

Basalt, formed from magma, contains iron-rich minerals. Why is this important?

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  1. 11 April, 01:53
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    Iron is a magnetic metal, and it is essential to the Earth's magnetic field!

    Essentially it "records" (stores the information, maintains) the direction and orientation of the magnetic field.

    Among others, the magnetic field protects the Earth from dangerous cosmic rays.
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