Civil Services Prep

Prelims MCQ · Geography

A geological survey records the following intrusive bodies:

  • Body P is thin and nearly horizontal.
  • Body Q is thick and nearly horizontal.
  • Body R is wall-like and solidified almost perpendicular to the ground within a fissure.
  • Body S is a wavy mass situated at the base of a syncline or the top of an anticline and is connected to a magma chamber below.

Which one of the following conclusions is correct?

  1. P is a sill, Q is a sheet, R is a lacolith and S is a lapolith.
  2. P is a sheet, Q is a sill, R is a dyke and S is a phacolith.
  3. P is a phacolith, Q is a batholith, R is a sill and S is a dyke.
  4. P is a sheet, Q is a lacolith, R is a caldera and S is a batholith.
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