Name the near-vertical sheet of solidified magma that cuts across the rock strata it has intruded.

Model answer

dyke

Also accepted: dike, a dyke

Explanation: A dyke is a discordant intrusion: the magma forced its way up through a crack and cooled as a wall of rock cutting across the bedding of the strata around it.

Derived from ZIMSEC Geography 4022/2 Paper 2, November 2024, Q1

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Name the near-vertical sheet of solidified magma that cuts across the rock strata it has intruded.

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