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WAEC Geography 2001 Question 22

Question 22

Rocks

A horizontal intrusion of molten magma into the bedding plane of sedimentary rocks is called

  1. A.Phacolith
  2. B.Lacolith
  3. C.Sill
  4. D.Batholith.
Show the answer and explanation

Answer: C (Sill)

Explanation

Magma that spreads as a flat sheet along the bedding planes cools to form a sill.