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WAEC Geography 1991 (August) Question 18

Question 18

Earth Movements and Vulcanicity

An intrusion of magma along a bedding plane is called a

  1. A.dyke
  2. B.batholith
  3. C.volcanic plug
  4. D.lava plain
  5. E.sill
Show the answer and explanation

Answer: E (sill)

Explanation

A sill lies along (parallel to) the bedding planes; a dyke cuts across them.