WAEC Geography 2024 Objective — Question 17

Question 17 of 50 from the West African Examinations Council (WAEC) Geography 2024 Objective paper, with the correct answer and a full explanation.

17. An intrusion of thick acid lava which forces overlying sedimentary rock layers to bulge into a dome shape and solidify to form a

A. batholith.
B. laccolith.Correct
C. dyke.
D. lopolith.

Explanation

A laccolith is a type of igneous intrusion that forms when thick, acidic lava pushes up overlying sedimentary rock layers, causing them to bulge into a dome shape. As the lava cools and solidifies, it forms this distinctive body of rock.

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